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1 | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. | |
2 | // This source code is licensed under both the GPLv2 (found in the | |
3 | // COPYING file in the root directory) and Apache 2.0 License | |
4 | // (found in the LICENSE.Apache file in the root directory). | |
5 | ||
6 | // This file is designed for caching those frequently used IDs and provide | |
7 | // efficient portal (i.e, a set of static functions) to access java code | |
8 | // from c++. | |
9 | ||
10 | #ifndef JAVA_ROCKSJNI_PORTAL_H_ | |
11 | #define JAVA_ROCKSJNI_PORTAL_H_ | |
12 | ||
13 | #include <jni.h> | |
14 | ||
15 | #include <algorithm> | |
16 | #include <cstring> | |
17 | #include <functional> | |
18 | #include <iostream> | |
19 | #include <iterator> | |
20 | #include <limits> | |
21 | #include <memory> | |
22 | #include <set> | |
23 | #include <string> | |
24 | #include <type_traits> | |
25 | #include <vector> | |
26 | ||
27 | #include "rocksdb/convenience.h" | |
28 | #include "rocksdb/db.h" | |
29 | #include "rocksdb/filter_policy.h" | |
30 | #include "rocksdb/rate_limiter.h" | |
31 | #include "rocksdb/status.h" | |
32 | #include "rocksdb/table.h" | |
33 | #include "rocksdb/utilities/backupable_db.h" | |
34 | #include "rocksdb/utilities/memory_util.h" | |
35 | #include "rocksdb/utilities/transaction_db.h" | |
36 | #include "rocksdb/utilities/write_batch_with_index.h" | |
37 | #include "rocksjni/compaction_filter_factory_jnicallback.h" | |
38 | #include "rocksjni/comparatorjnicallback.h" | |
39 | #include "rocksjni/event_listener_jnicallback.h" | |
40 | #include "rocksjni/loggerjnicallback.h" | |
41 | #include "rocksjni/table_filter_jnicallback.h" | |
42 | #include "rocksjni/trace_writer_jnicallback.h" | |
43 | #include "rocksjni/transaction_notifier_jnicallback.h" | |
44 | #include "rocksjni/wal_filter_jnicallback.h" | |
45 | #include "rocksjni/writebatchhandlerjnicallback.h" | |
46 | ||
47 | // Remove macro on windows | |
48 | #ifdef DELETE | |
49 | #undef DELETE | |
50 | #endif | |
51 | ||
52 | namespace ROCKSDB_NAMESPACE { | |
53 | ||
54 | class JavaClass { | |
55 | public: | |
56 | /** | |
57 | * Gets and initializes a Java Class | |
58 | * | |
59 | * @param env A pointer to the Java environment | |
60 | * @param jclazz_name The fully qualified JNI name of the Java Class | |
61 | * e.g. "java/lang/String" | |
62 | * | |
63 | * @return The Java Class or nullptr if one of the | |
64 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
65 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
66 | */ | |
67 | static jclass getJClass(JNIEnv* env, const char* jclazz_name) { | |
68 | jclass jclazz = env->FindClass(jclazz_name); | |
69 | assert(jclazz != nullptr); | |
70 | return jclazz; | |
71 | } | |
72 | }; | |
73 | ||
74 | // Native class template | |
75 | template<class PTR, class DERIVED> class RocksDBNativeClass : public JavaClass { | |
76 | }; | |
77 | ||
78 | // Native class template for sub-classes of RocksMutableObject | |
79 | template<class PTR, class DERIVED> class NativeRocksMutableObject | |
80 | : public RocksDBNativeClass<PTR, DERIVED> { | |
81 | public: | |
82 | ||
83 | /** | |
84 | * Gets the Java Method ID for the | |
85 | * RocksMutableObject#setNativeHandle(long, boolean) method | |
86 | * | |
87 | * @param env A pointer to the Java environment | |
88 | * @return The Java Method ID or nullptr the RocksMutableObject class cannot | |
89 | * be accessed, or if one of the NoSuchMethodError, | |
90 | * ExceptionInInitializerError or OutOfMemoryError exceptions is thrown | |
91 | */ | |
92 | static jmethodID getSetNativeHandleMethod(JNIEnv* env) { | |
93 | static jclass jclazz = DERIVED::getJClass(env); | |
94 | if(jclazz == nullptr) { | |
95 | return nullptr; | |
96 | } | |
97 | ||
98 | static jmethodID mid = env->GetMethodID( | |
99 | jclazz, "setNativeHandle", "(JZ)V"); | |
100 | assert(mid != nullptr); | |
101 | return mid; | |
102 | } | |
103 | ||
104 | /** | |
105 | * Sets the C++ object pointer handle in the Java object | |
106 | * | |
107 | * @param env A pointer to the Java environment | |
108 | * @param jobj The Java object on which to set the pointer handle | |
109 | * @param ptr The C++ object pointer | |
110 | * @param java_owns_handle JNI_TRUE if ownership of the C++ object is | |
111 | * managed by the Java object | |
112 | * | |
113 | * @return true if a Java exception is pending, false otherwise | |
114 | */ | |
115 | static bool setHandle(JNIEnv* env, jobject jobj, PTR ptr, | |
116 | jboolean java_owns_handle) { | |
117 | assert(jobj != nullptr); | |
118 | static jmethodID mid = getSetNativeHandleMethod(env); | |
119 | if(mid == nullptr) { | |
120 | return true; // signal exception | |
121 | } | |
122 | ||
123 | env->CallVoidMethod(jobj, mid, reinterpret_cast<jlong>(ptr), java_owns_handle); | |
124 | if(env->ExceptionCheck()) { | |
125 | return true; // signal exception | |
126 | } | |
127 | ||
128 | return false; | |
129 | } | |
130 | }; | |
131 | ||
132 | // Java Exception template | |
133 | template<class DERIVED> class JavaException : public JavaClass { | |
134 | public: | |
135 | /** | |
136 | * Create and throw a java exception with the provided message | |
137 | * | |
138 | * @param env A pointer to the Java environment | |
139 | * @param msg The message for the exception | |
140 | * | |
141 | * @return true if an exception was thrown, false otherwise | |
142 | */ | |
143 | static bool ThrowNew(JNIEnv* env, const std::string& msg) { | |
144 | jclass jclazz = DERIVED::getJClass(env); | |
145 | if(jclazz == nullptr) { | |
146 | // exception occurred accessing class | |
147 | std::cerr << "JavaException::ThrowNew - Error: unexpected exception!" << std::endl; | |
148 | return env->ExceptionCheck(); | |
149 | } | |
150 | ||
151 | const jint rs = env->ThrowNew(jclazz, msg.c_str()); | |
152 | if(rs != JNI_OK) { | |
153 | // exception could not be thrown | |
154 | std::cerr << "JavaException::ThrowNew - Fatal: could not throw exception!" << std::endl; | |
155 | return env->ExceptionCheck(); | |
156 | } | |
157 | ||
158 | return true; | |
159 | } | |
160 | }; | |
161 | ||
162 | // The portal class for java.lang.IllegalArgumentException | |
163 | class IllegalArgumentExceptionJni : | |
164 | public JavaException<IllegalArgumentExceptionJni> { | |
165 | public: | |
166 | /** | |
167 | * Get the Java Class java.lang.IllegalArgumentException | |
168 | * | |
169 | * @param env A pointer to the Java environment | |
170 | * | |
171 | * @return The Java Class or nullptr if one of the | |
172 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
173 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
174 | */ | |
175 | static jclass getJClass(JNIEnv* env) { | |
176 | return JavaException::getJClass(env, "java/lang/IllegalArgumentException"); | |
177 | } | |
178 | ||
179 | /** | |
180 | * Create and throw a Java IllegalArgumentException with the provided status | |
181 | * | |
182 | * If s.ok() == true, then this function will not throw any exception. | |
183 | * | |
184 | * @param env A pointer to the Java environment | |
185 | * @param s The status for the exception | |
186 | * | |
187 | * @return true if an exception was thrown, false otherwise | |
188 | */ | |
189 | static bool ThrowNew(JNIEnv* env, const Status& s) { | |
190 | assert(!s.ok()); | |
191 | if (s.ok()) { | |
192 | return false; | |
193 | } | |
194 | ||
195 | // get the IllegalArgumentException class | |
196 | jclass jclazz = getJClass(env); | |
197 | if(jclazz == nullptr) { | |
198 | // exception occurred accessing class | |
199 | std::cerr << "IllegalArgumentExceptionJni::ThrowNew/class - Error: unexpected exception!" << std::endl; | |
200 | return env->ExceptionCheck(); | |
201 | } | |
202 | ||
203 | return JavaException::ThrowNew(env, s.ToString()); | |
204 | } | |
205 | }; | |
206 | ||
207 | // The portal class for org.rocksdb.Status.Code | |
208 | class CodeJni : public JavaClass { | |
209 | public: | |
210 | /** | |
211 | * Get the Java Class org.rocksdb.Status.Code | |
212 | * | |
213 | * @param env A pointer to the Java environment | |
214 | * | |
215 | * @return The Java Class or nullptr if one of the | |
216 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
217 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
218 | */ | |
219 | static jclass getJClass(JNIEnv* env) { | |
220 | return JavaClass::getJClass(env, "org/rocksdb/Status$Code"); | |
221 | } | |
222 | ||
223 | /** | |
224 | * Get the Java Method: Status.Code#getValue | |
225 | * | |
226 | * @param env A pointer to the Java environment | |
227 | * | |
228 | * @return The Java Method ID or nullptr if the class or method id could not | |
229 | * be retrieved | |
230 | */ | |
231 | static jmethodID getValueMethod(JNIEnv* env) { | |
232 | jclass jclazz = getJClass(env); | |
233 | if(jclazz == nullptr) { | |
234 | // exception occurred accessing class | |
235 | return nullptr; | |
236 | } | |
237 | ||
238 | static jmethodID mid = | |
239 | env->GetMethodID(jclazz, "getValue", "()b"); | |
240 | assert(mid != nullptr); | |
241 | return mid; | |
242 | } | |
243 | }; | |
244 | ||
245 | // The portal class for org.rocksdb.Status.SubCode | |
246 | class SubCodeJni : public JavaClass { | |
247 | public: | |
248 | /** | |
249 | * Get the Java Class org.rocksdb.Status.SubCode | |
250 | * | |
251 | * @param env A pointer to the Java environment | |
252 | * | |
253 | * @return The Java Class or nullptr if one of the | |
254 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
255 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
256 | */ | |
257 | static jclass getJClass(JNIEnv* env) { | |
258 | return JavaClass::getJClass(env, "org/rocksdb/Status$SubCode"); | |
259 | } | |
260 | ||
261 | /** | |
262 | * Get the Java Method: Status.SubCode#getValue | |
263 | * | |
264 | * @param env A pointer to the Java environment | |
265 | * | |
266 | * @return The Java Method ID or nullptr if the class or method id could not | |
267 | * be retrieved | |
268 | */ | |
269 | static jmethodID getValueMethod(JNIEnv* env) { | |
270 | jclass jclazz = getJClass(env); | |
271 | if(jclazz == nullptr) { | |
272 | // exception occurred accessing class | |
273 | return nullptr; | |
274 | } | |
275 | ||
276 | static jmethodID mid = | |
277 | env->GetMethodID(jclazz, "getValue", "()b"); | |
278 | assert(mid != nullptr); | |
279 | return mid; | |
280 | } | |
281 | ||
282 | static ROCKSDB_NAMESPACE::Status::SubCode toCppSubCode( | |
283 | const jbyte jsub_code) { | |
284 | switch (jsub_code) { | |
285 | case 0x0: | |
286 | return ROCKSDB_NAMESPACE::Status::SubCode::kNone; | |
287 | case 0x1: | |
288 | return ROCKSDB_NAMESPACE::Status::SubCode::kMutexTimeout; | |
289 | case 0x2: | |
290 | return ROCKSDB_NAMESPACE::Status::SubCode::kLockTimeout; | |
291 | case 0x3: | |
292 | return ROCKSDB_NAMESPACE::Status::SubCode::kLockLimit; | |
293 | case 0x4: | |
294 | return ROCKSDB_NAMESPACE::Status::SubCode::kNoSpace; | |
295 | case 0x5: | |
296 | return ROCKSDB_NAMESPACE::Status::SubCode::kDeadlock; | |
297 | case 0x6: | |
298 | return ROCKSDB_NAMESPACE::Status::SubCode::kStaleFile; | |
299 | case 0x7: | |
300 | return ROCKSDB_NAMESPACE::Status::SubCode::kMemoryLimit; | |
301 | ||
302 | case 0x7F: | |
303 | default: | |
304 | return ROCKSDB_NAMESPACE::Status::SubCode::kNone; | |
305 | } | |
306 | } | |
307 | }; | |
308 | ||
309 | // The portal class for org.rocksdb.Status | |
310 | class StatusJni | |
311 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::Status*, StatusJni> { | |
312 | public: | |
313 | /** | |
314 | * Get the Java Class org.rocksdb.Status | |
315 | * | |
316 | * @param env A pointer to the Java environment | |
317 | * | |
318 | * @return The Java Class or nullptr if one of the | |
319 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
320 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
321 | */ | |
322 | static jclass getJClass(JNIEnv* env) { | |
323 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/Status"); | |
324 | } | |
325 | ||
326 | /** | |
327 | * Get the Java Method: Status#getCode | |
328 | * | |
329 | * @param env A pointer to the Java environment | |
330 | * | |
331 | * @return The Java Method ID or nullptr if the class or method id could not | |
332 | * be retrieved | |
333 | */ | |
334 | static jmethodID getCodeMethod(JNIEnv* env) { | |
335 | jclass jclazz = getJClass(env); | |
336 | if(jclazz == nullptr) { | |
337 | // exception occurred accessing class | |
338 | return nullptr; | |
339 | } | |
340 | ||
341 | static jmethodID mid = | |
342 | env->GetMethodID(jclazz, "getCode", "()Lorg/rocksdb/Status$Code;"); | |
343 | assert(mid != nullptr); | |
344 | return mid; | |
345 | } | |
346 | ||
347 | /** | |
348 | * Get the Java Method: Status#getSubCode | |
349 | * | |
350 | * @param env A pointer to the Java environment | |
351 | * | |
352 | * @return The Java Method ID or nullptr if the class or method id could not | |
353 | * be retrieved | |
354 | */ | |
355 | static jmethodID getSubCodeMethod(JNIEnv* env) { | |
356 | jclass jclazz = getJClass(env); | |
357 | if(jclazz == nullptr) { | |
358 | // exception occurred accessing class | |
359 | return nullptr; | |
360 | } | |
361 | ||
362 | static jmethodID mid = | |
363 | env->GetMethodID(jclazz, "getSubCode", "()Lorg/rocksdb/Status$SubCode;"); | |
364 | assert(mid != nullptr); | |
365 | return mid; | |
366 | } | |
367 | ||
368 | /** | |
369 | * Get the Java Method: Status#getState | |
370 | * | |
371 | * @param env A pointer to the Java environment | |
372 | * | |
373 | * @return The Java Method ID or nullptr if the class or method id could not | |
374 | * be retrieved | |
375 | */ | |
376 | static jmethodID getStateMethod(JNIEnv* env) { | |
377 | jclass jclazz = getJClass(env); | |
378 | if(jclazz == nullptr) { | |
379 | // exception occurred accessing class | |
380 | return nullptr; | |
381 | } | |
382 | ||
383 | static jmethodID mid = | |
384 | env->GetMethodID(jclazz, "getState", "()Ljava/lang/String;"); | |
385 | assert(mid != nullptr); | |
386 | return mid; | |
387 | } | |
388 | ||
389 | /** | |
390 | * Create a new Java org.rocksdb.Status object with the same properties as | |
391 | * the provided C++ ROCKSDB_NAMESPACE::Status object | |
392 | * | |
393 | * @param env A pointer to the Java environment | |
394 | * @param status The ROCKSDB_NAMESPACE::Status object | |
395 | * | |
396 | * @return A reference to a Java org.rocksdb.Status object, or nullptr | |
397 | * if an an exception occurs | |
398 | */ | |
399 | static jobject construct(JNIEnv* env, const Status& status) { | |
400 | jclass jclazz = getJClass(env); | |
401 | if(jclazz == nullptr) { | |
402 | // exception occurred accessing class | |
403 | return nullptr; | |
404 | } | |
405 | ||
406 | jmethodID mid = | |
407 | env->GetMethodID(jclazz, "<init>", "(BBLjava/lang/String;)V"); | |
408 | if(mid == nullptr) { | |
409 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
410 | return nullptr; | |
411 | } | |
412 | ||
413 | // convert the Status state for Java | |
414 | jstring jstate = nullptr; | |
415 | if (status.getState() != nullptr) { | |
416 | const char* const state = status.getState(); | |
417 | jstate = env->NewStringUTF(state); | |
418 | if(env->ExceptionCheck()) { | |
419 | if(jstate != nullptr) { | |
420 | env->DeleteLocalRef(jstate); | |
421 | } | |
422 | return nullptr; | |
423 | } | |
424 | } | |
425 | ||
426 | jobject jstatus = | |
427 | env->NewObject(jclazz, mid, toJavaStatusCode(status.code()), | |
428 | toJavaStatusSubCode(status.subcode()), jstate); | |
429 | if(env->ExceptionCheck()) { | |
430 | // exception occurred | |
431 | if(jstate != nullptr) { | |
432 | env->DeleteLocalRef(jstate); | |
433 | } | |
434 | return nullptr; | |
435 | } | |
436 | ||
437 | if(jstate != nullptr) { | |
438 | env->DeleteLocalRef(jstate); | |
439 | } | |
440 | ||
441 | return jstatus; | |
442 | } | |
443 | ||
444 | static jobject construct(JNIEnv* env, const Status* status) { | |
445 | return construct(env, *status); | |
446 | } | |
447 | ||
448 | // Returns the equivalent org.rocksdb.Status.Code for the provided | |
449 | // C++ ROCKSDB_NAMESPACE::Status::Code enum | |
450 | static jbyte toJavaStatusCode(const ROCKSDB_NAMESPACE::Status::Code& code) { | |
451 | switch (code) { | |
452 | case ROCKSDB_NAMESPACE::Status::Code::kOk: | |
453 | return 0x0; | |
454 | case ROCKSDB_NAMESPACE::Status::Code::kNotFound: | |
455 | return 0x1; | |
456 | case ROCKSDB_NAMESPACE::Status::Code::kCorruption: | |
457 | return 0x2; | |
458 | case ROCKSDB_NAMESPACE::Status::Code::kNotSupported: | |
459 | return 0x3; | |
460 | case ROCKSDB_NAMESPACE::Status::Code::kInvalidArgument: | |
461 | return 0x4; | |
462 | case ROCKSDB_NAMESPACE::Status::Code::kIOError: | |
463 | return 0x5; | |
464 | case ROCKSDB_NAMESPACE::Status::Code::kMergeInProgress: | |
465 | return 0x6; | |
466 | case ROCKSDB_NAMESPACE::Status::Code::kIncomplete: | |
467 | return 0x7; | |
468 | case ROCKSDB_NAMESPACE::Status::Code::kShutdownInProgress: | |
469 | return 0x8; | |
470 | case ROCKSDB_NAMESPACE::Status::Code::kTimedOut: | |
471 | return 0x9; | |
472 | case ROCKSDB_NAMESPACE::Status::Code::kAborted: | |
473 | return 0xA; | |
474 | case ROCKSDB_NAMESPACE::Status::Code::kBusy: | |
475 | return 0xB; | |
476 | case ROCKSDB_NAMESPACE::Status::Code::kExpired: | |
477 | return 0xC; | |
478 | case ROCKSDB_NAMESPACE::Status::Code::kTryAgain: | |
479 | return 0xD; | |
480 | case ROCKSDB_NAMESPACE::Status::Code::kColumnFamilyDropped: | |
481 | return 0xE; | |
482 | default: | |
483 | return 0x7F; // undefined | |
484 | } | |
485 | } | |
486 | ||
487 | // Returns the equivalent org.rocksdb.Status.SubCode for the provided | |
488 | // C++ ROCKSDB_NAMESPACE::Status::SubCode enum | |
489 | static jbyte toJavaStatusSubCode( | |
490 | const ROCKSDB_NAMESPACE::Status::SubCode& subCode) { | |
491 | switch (subCode) { | |
492 | case ROCKSDB_NAMESPACE::Status::SubCode::kNone: | |
493 | return 0x0; | |
494 | case ROCKSDB_NAMESPACE::Status::SubCode::kMutexTimeout: | |
495 | return 0x1; | |
496 | case ROCKSDB_NAMESPACE::Status::SubCode::kLockTimeout: | |
497 | return 0x2; | |
498 | case ROCKSDB_NAMESPACE::Status::SubCode::kLockLimit: | |
499 | return 0x3; | |
500 | case ROCKSDB_NAMESPACE::Status::SubCode::kNoSpace: | |
501 | return 0x4; | |
502 | case ROCKSDB_NAMESPACE::Status::SubCode::kDeadlock: | |
503 | return 0x5; | |
504 | case ROCKSDB_NAMESPACE::Status::SubCode::kStaleFile: | |
505 | return 0x6; | |
506 | case ROCKSDB_NAMESPACE::Status::SubCode::kMemoryLimit: | |
507 | return 0x7; | |
508 | default: | |
509 | return 0x7F; // undefined | |
510 | } | |
511 | } | |
512 | ||
513 | static std::unique_ptr<ROCKSDB_NAMESPACE::Status> toCppStatus( | |
514 | const jbyte jcode_value, const jbyte jsub_code_value) { | |
515 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status; | |
516 | switch (jcode_value) { | |
517 | case 0x0: | |
518 | //Ok | |
519 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
520 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::OK())); | |
521 | break; | |
522 | case 0x1: | |
523 | //NotFound | |
524 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
525 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::NotFound( | |
526 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
527 | break; | |
528 | case 0x2: | |
529 | //Corruption | |
530 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
531 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::Corruption( | |
532 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
533 | break; | |
534 | case 0x3: | |
535 | //NotSupported | |
536 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
537 | new ROCKSDB_NAMESPACE::Status( | |
538 | ROCKSDB_NAMESPACE::Status::NotSupported( | |
539 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode( | |
540 | jsub_code_value)))); | |
541 | break; | |
542 | case 0x4: | |
543 | //InvalidArgument | |
544 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
545 | new ROCKSDB_NAMESPACE::Status( | |
546 | ROCKSDB_NAMESPACE::Status::InvalidArgument( | |
547 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode( | |
548 | jsub_code_value)))); | |
549 | break; | |
550 | case 0x5: | |
551 | //IOError | |
552 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
553 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::IOError( | |
554 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
555 | break; | |
556 | case 0x6: | |
557 | //MergeInProgress | |
558 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
559 | new ROCKSDB_NAMESPACE::Status( | |
560 | ROCKSDB_NAMESPACE::Status::MergeInProgress( | |
561 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode( | |
562 | jsub_code_value)))); | |
563 | break; | |
564 | case 0x7: | |
565 | //Incomplete | |
566 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
567 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::Incomplete( | |
568 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
569 | break; | |
570 | case 0x8: | |
571 | //ShutdownInProgress | |
572 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
573 | new ROCKSDB_NAMESPACE::Status( | |
574 | ROCKSDB_NAMESPACE::Status::ShutdownInProgress( | |
575 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode( | |
576 | jsub_code_value)))); | |
577 | break; | |
578 | case 0x9: | |
579 | //TimedOut | |
580 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
581 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::TimedOut( | |
582 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
583 | break; | |
584 | case 0xA: | |
585 | //Aborted | |
586 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
587 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::Aborted( | |
588 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
589 | break; | |
590 | case 0xB: | |
591 | //Busy | |
592 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
593 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::Busy( | |
594 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
595 | break; | |
596 | case 0xC: | |
597 | //Expired | |
598 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
599 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::Expired( | |
600 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
601 | break; | |
602 | case 0xD: | |
603 | //TryAgain | |
604 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
605 | new ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Status::TryAgain( | |
606 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode(jsub_code_value)))); | |
607 | break; | |
608 | case 0xE: | |
609 | // ColumnFamilyDropped | |
610 | status = std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
611 | new ROCKSDB_NAMESPACE::Status( | |
612 | ROCKSDB_NAMESPACE::Status::ColumnFamilyDropped( | |
613 | ROCKSDB_NAMESPACE::SubCodeJni::toCppSubCode( | |
614 | jsub_code_value)))); | |
615 | break; | |
616 | case 0x7F: | |
617 | default: | |
618 | return nullptr; | |
619 | } | |
620 | return status; | |
621 | } | |
622 | ||
623 | // Returns the equivalent ROCKSDB_NAMESPACE::Status for the Java | |
624 | // org.rocksdb.Status | |
625 | static std::unique_ptr<ROCKSDB_NAMESPACE::Status> toCppStatus( | |
626 | JNIEnv* env, const jobject jstatus) { | |
627 | jmethodID mid_code = getCodeMethod(env); | |
628 | if (mid_code == nullptr) { | |
629 | // exception occurred | |
630 | return nullptr; | |
631 | } | |
632 | jobject jcode = env->CallObjectMethod(jstatus, mid_code); | |
633 | if (env->ExceptionCheck()) { | |
634 | // exception occurred | |
635 | return nullptr; | |
636 | } | |
637 | ||
638 | jmethodID mid_code_value = ROCKSDB_NAMESPACE::CodeJni::getValueMethod(env); | |
639 | if (mid_code_value == nullptr) { | |
640 | // exception occurred | |
641 | return nullptr; | |
642 | } | |
643 | jbyte jcode_value = env->CallByteMethod(jcode, mid_code_value); | |
644 | if (env->ExceptionCheck()) { | |
645 | // exception occurred | |
646 | if (jcode != nullptr) { | |
647 | env->DeleteLocalRef(jcode); | |
648 | } | |
649 | return nullptr; | |
650 | } | |
651 | ||
652 | jmethodID mid_subCode = getSubCodeMethod(env); | |
653 | if (mid_subCode == nullptr) { | |
654 | // exception occurred | |
655 | return nullptr; | |
656 | } | |
657 | jobject jsubCode = env->CallObjectMethod(jstatus, mid_subCode); | |
658 | if (env->ExceptionCheck()) { | |
659 | // exception occurred | |
660 | if (jcode != nullptr) { | |
661 | env->DeleteLocalRef(jcode); | |
662 | } | |
663 | return nullptr; | |
664 | } | |
665 | ||
666 | jbyte jsub_code_value = 0x0; // None | |
667 | if (jsubCode != nullptr) { | |
668 | jmethodID mid_subCode_value = | |
669 | ROCKSDB_NAMESPACE::SubCodeJni::getValueMethod(env); | |
670 | if (mid_subCode_value == nullptr) { | |
671 | // exception occurred | |
672 | return nullptr; | |
673 | } | |
674 | jsub_code_value = env->CallByteMethod(jsubCode, mid_subCode_value); | |
675 | if (env->ExceptionCheck()) { | |
676 | // exception occurred | |
677 | if (jcode != nullptr) { | |
678 | env->DeleteLocalRef(jcode); | |
679 | } | |
680 | return nullptr; | |
681 | } | |
682 | } | |
683 | ||
684 | jmethodID mid_state = getStateMethod(env); | |
685 | if (mid_state == nullptr) { | |
686 | // exception occurred | |
687 | return nullptr; | |
688 | } | |
689 | jobject jstate = env->CallObjectMethod(jstatus, mid_state); | |
690 | if (env->ExceptionCheck()) { | |
691 | // exception occurred | |
692 | if (jsubCode != nullptr) { | |
693 | env->DeleteLocalRef(jsubCode); | |
694 | } | |
695 | if (jcode != nullptr) { | |
696 | env->DeleteLocalRef(jcode); | |
697 | } | |
698 | return nullptr; | |
699 | } | |
700 | ||
701 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
702 | toCppStatus(jcode_value, jsub_code_value); | |
703 | ||
704 | // delete all local refs | |
705 | if (jstate != nullptr) { | |
706 | env->DeleteLocalRef(jstate); | |
707 | } | |
708 | if (jsubCode != nullptr) { | |
709 | env->DeleteLocalRef(jsubCode); | |
710 | } | |
711 | if (jcode != nullptr) { | |
712 | env->DeleteLocalRef(jcode); | |
713 | } | |
714 | ||
715 | return status; | |
716 | } | |
717 | }; | |
718 | ||
719 | // The portal class for org.rocksdb.RocksDBException | |
720 | class RocksDBExceptionJni : | |
721 | public JavaException<RocksDBExceptionJni> { | |
722 | public: | |
723 | /** | |
724 | * Get the Java Class org.rocksdb.RocksDBException | |
725 | * | |
726 | * @param env A pointer to the Java environment | |
727 | * | |
728 | * @return The Java Class or nullptr if one of the | |
729 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
730 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
731 | */ | |
732 | static jclass getJClass(JNIEnv* env) { | |
733 | return JavaException::getJClass(env, "org/rocksdb/RocksDBException"); | |
734 | } | |
735 | ||
736 | /** | |
737 | * Create and throw a Java RocksDBException with the provided message | |
738 | * | |
739 | * @param env A pointer to the Java environment | |
740 | * @param msg The message for the exception | |
741 | * | |
742 | * @return true if an exception was thrown, false otherwise | |
743 | */ | |
744 | static bool ThrowNew(JNIEnv* env, const std::string& msg) { | |
745 | return JavaException::ThrowNew(env, msg); | |
746 | } | |
747 | ||
748 | /** | |
749 | * Create and throw a Java RocksDBException with the provided status | |
750 | * | |
751 | * If s->ok() == true, then this function will not throw any exception. | |
752 | * | |
753 | * @param env A pointer to the Java environment | |
754 | * @param s The status for the exception | |
755 | * | |
756 | * @return true if an exception was thrown, false otherwise | |
757 | */ | |
758 | static bool ThrowNew(JNIEnv* env, std::unique_ptr<Status>& s) { | |
759 | return ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, *(s.get())); | |
760 | } | |
761 | ||
762 | /** | |
763 | * Create and throw a Java RocksDBException with the provided status | |
764 | * | |
765 | * If s.ok() == true, then this function will not throw any exception. | |
766 | * | |
767 | * @param env A pointer to the Java environment | |
768 | * @param s The status for the exception | |
769 | * | |
770 | * @return true if an exception was thrown, false otherwise | |
771 | */ | |
772 | static bool ThrowNew(JNIEnv* env, const Status& s) { | |
773 | if (s.ok()) { | |
774 | return false; | |
775 | } | |
776 | ||
777 | // get the RocksDBException class | |
778 | jclass jclazz = getJClass(env); | |
779 | if(jclazz == nullptr) { | |
780 | // exception occurred accessing class | |
781 | std::cerr << "RocksDBExceptionJni::ThrowNew/class - Error: unexpected exception!" << std::endl; | |
782 | return env->ExceptionCheck(); | |
783 | } | |
784 | ||
785 | // get the constructor of org.rocksdb.RocksDBException | |
786 | jmethodID mid = | |
787 | env->GetMethodID(jclazz, "<init>", "(Lorg/rocksdb/Status;)V"); | |
788 | if(mid == nullptr) { | |
789 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
790 | std::cerr << "RocksDBExceptionJni::ThrowNew/cstr - Error: unexpected exception!" << std::endl; | |
791 | return env->ExceptionCheck(); | |
792 | } | |
793 | ||
794 | // get the Java status object | |
795 | jobject jstatus = StatusJni::construct(env, s); | |
796 | if(jstatus == nullptr) { | |
797 | // exception occcurred | |
798 | std::cerr << "RocksDBExceptionJni::ThrowNew/StatusJni - Error: unexpected exception!" << std::endl; | |
799 | return env->ExceptionCheck(); | |
800 | } | |
801 | ||
802 | // construct the RocksDBException | |
803 | jthrowable rocksdb_exception = reinterpret_cast<jthrowable>(env->NewObject(jclazz, mid, jstatus)); | |
804 | if(env->ExceptionCheck()) { | |
805 | if(jstatus != nullptr) { | |
806 | env->DeleteLocalRef(jstatus); | |
807 | } | |
808 | if(rocksdb_exception != nullptr) { | |
809 | env->DeleteLocalRef(rocksdb_exception); | |
810 | } | |
811 | std::cerr << "RocksDBExceptionJni::ThrowNew/NewObject - Error: unexpected exception!" << std::endl; | |
812 | return true; | |
813 | } | |
814 | ||
815 | // throw the RocksDBException | |
816 | const jint rs = env->Throw(rocksdb_exception); | |
817 | if(rs != JNI_OK) { | |
818 | // exception could not be thrown | |
819 | std::cerr << "RocksDBExceptionJni::ThrowNew - Fatal: could not throw exception!" << std::endl; | |
820 | if(jstatus != nullptr) { | |
821 | env->DeleteLocalRef(jstatus); | |
822 | } | |
823 | if(rocksdb_exception != nullptr) { | |
824 | env->DeleteLocalRef(rocksdb_exception); | |
825 | } | |
826 | return env->ExceptionCheck(); | |
827 | } | |
828 | ||
829 | if(jstatus != nullptr) { | |
830 | env->DeleteLocalRef(jstatus); | |
831 | } | |
832 | if(rocksdb_exception != nullptr) { | |
833 | env->DeleteLocalRef(rocksdb_exception); | |
834 | } | |
835 | ||
836 | return true; | |
837 | } | |
838 | ||
839 | /** | |
840 | * Create and throw a Java RocksDBException with the provided message | |
841 | * and status | |
842 | * | |
843 | * If s.ok() == true, then this function will not throw any exception. | |
844 | * | |
845 | * @param env A pointer to the Java environment | |
846 | * @param msg The message for the exception | |
847 | * @param s The status for the exception | |
848 | * | |
849 | * @return true if an exception was thrown, false otherwise | |
850 | */ | |
851 | static bool ThrowNew(JNIEnv* env, const std::string& msg, const Status& s) { | |
852 | assert(!s.ok()); | |
853 | if (s.ok()) { | |
854 | return false; | |
855 | } | |
856 | ||
857 | // get the RocksDBException class | |
858 | jclass jclazz = getJClass(env); | |
859 | if(jclazz == nullptr) { | |
860 | // exception occurred accessing class | |
861 | std::cerr << "RocksDBExceptionJni::ThrowNew/class - Error: unexpected exception!" << std::endl; | |
862 | return env->ExceptionCheck(); | |
863 | } | |
864 | ||
865 | // get the constructor of org.rocksdb.RocksDBException | |
866 | jmethodID mid = | |
867 | env->GetMethodID(jclazz, "<init>", "(Ljava/lang/String;Lorg/rocksdb/Status;)V"); | |
868 | if(mid == nullptr) { | |
869 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
870 | std::cerr << "RocksDBExceptionJni::ThrowNew/cstr - Error: unexpected exception!" << std::endl; | |
871 | return env->ExceptionCheck(); | |
872 | } | |
873 | ||
874 | jstring jmsg = env->NewStringUTF(msg.c_str()); | |
875 | if(jmsg == nullptr) { | |
876 | // exception thrown: OutOfMemoryError | |
877 | std::cerr << "RocksDBExceptionJni::ThrowNew/msg - Error: unexpected exception!" << std::endl; | |
878 | return env->ExceptionCheck(); | |
879 | } | |
880 | ||
881 | // get the Java status object | |
882 | jobject jstatus = StatusJni::construct(env, s); | |
883 | if(jstatus == nullptr) { | |
884 | // exception occcurred | |
885 | std::cerr << "RocksDBExceptionJni::ThrowNew/StatusJni - Error: unexpected exception!" << std::endl; | |
886 | if(jmsg != nullptr) { | |
887 | env->DeleteLocalRef(jmsg); | |
888 | } | |
889 | return env->ExceptionCheck(); | |
890 | } | |
891 | ||
892 | // construct the RocksDBException | |
893 | jthrowable rocksdb_exception = reinterpret_cast<jthrowable>(env->NewObject(jclazz, mid, jmsg, jstatus)); | |
894 | if(env->ExceptionCheck()) { | |
895 | if(jstatus != nullptr) { | |
896 | env->DeleteLocalRef(jstatus); | |
897 | } | |
898 | if(jmsg != nullptr) { | |
899 | env->DeleteLocalRef(jmsg); | |
900 | } | |
901 | if(rocksdb_exception != nullptr) { | |
902 | env->DeleteLocalRef(rocksdb_exception); | |
903 | } | |
904 | std::cerr << "RocksDBExceptionJni::ThrowNew/NewObject - Error: unexpected exception!" << std::endl; | |
905 | return true; | |
906 | } | |
907 | ||
908 | // throw the RocksDBException | |
909 | const jint rs = env->Throw(rocksdb_exception); | |
910 | if(rs != JNI_OK) { | |
911 | // exception could not be thrown | |
912 | std::cerr << "RocksDBExceptionJni::ThrowNew - Fatal: could not throw exception!" << std::endl; | |
913 | if(jstatus != nullptr) { | |
914 | env->DeleteLocalRef(jstatus); | |
915 | } | |
916 | if(jmsg != nullptr) { | |
917 | env->DeleteLocalRef(jmsg); | |
918 | } | |
919 | if(rocksdb_exception != nullptr) { | |
920 | env->DeleteLocalRef(rocksdb_exception); | |
921 | } | |
922 | return env->ExceptionCheck(); | |
923 | } | |
924 | ||
925 | if(jstatus != nullptr) { | |
926 | env->DeleteLocalRef(jstatus); | |
927 | } | |
928 | if(jmsg != nullptr) { | |
929 | env->DeleteLocalRef(jmsg); | |
930 | } | |
931 | if(rocksdb_exception != nullptr) { | |
932 | env->DeleteLocalRef(rocksdb_exception); | |
933 | } | |
934 | ||
935 | return true; | |
936 | } | |
937 | ||
938 | /** | |
939 | * Get the Java Method: RocksDBException#getStatus | |
940 | * | |
941 | * @param env A pointer to the Java environment | |
942 | * | |
943 | * @return The Java Method ID or nullptr if the class or method id could not | |
944 | * be retrieved | |
945 | */ | |
946 | static jmethodID getStatusMethod(JNIEnv* env) { | |
947 | jclass jclazz = getJClass(env); | |
948 | if(jclazz == nullptr) { | |
949 | // exception occurred accessing class | |
950 | return nullptr; | |
951 | } | |
952 | ||
953 | static jmethodID mid = | |
954 | env->GetMethodID(jclazz, "getStatus", "()Lorg/rocksdb/Status;"); | |
955 | assert(mid != nullptr); | |
956 | return mid; | |
957 | } | |
958 | ||
959 | static std::unique_ptr<ROCKSDB_NAMESPACE::Status> toCppStatus( | |
960 | JNIEnv* env, jthrowable jrocksdb_exception) { | |
961 | if(!env->IsInstanceOf(jrocksdb_exception, getJClass(env))) { | |
962 | // not an instance of RocksDBException | |
963 | return nullptr; | |
964 | } | |
965 | ||
966 | // get the java status object | |
967 | jmethodID mid = getStatusMethod(env); | |
968 | if(mid == nullptr) { | |
969 | // exception occurred accessing class or method | |
970 | return nullptr; | |
971 | } | |
972 | ||
973 | jobject jstatus = env->CallObjectMethod(jrocksdb_exception, mid); | |
974 | if(env->ExceptionCheck()) { | |
975 | // exception occurred | |
976 | return nullptr; | |
977 | } | |
978 | ||
979 | if(jstatus == nullptr) { | |
980 | return nullptr; // no status available | |
981 | } | |
982 | ||
983 | return ROCKSDB_NAMESPACE::StatusJni::toCppStatus(env, jstatus); | |
984 | } | |
985 | }; | |
986 | ||
987 | // The portal class for java.util.List | |
988 | class ListJni : public JavaClass { | |
989 | public: | |
990 | /** | |
991 | * Get the Java Class java.util.List | |
992 | * | |
993 | * @param env A pointer to the Java environment | |
994 | * | |
995 | * @return The Java Class or nullptr if one of the | |
996 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
997 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
998 | */ | |
999 | static jclass getListClass(JNIEnv* env) { | |
1000 | return JavaClass::getJClass(env, "java/util/List"); | |
1001 | } | |
1002 | ||
1003 | /** | |
1004 | * Get the Java Class java.util.ArrayList | |
1005 | * | |
1006 | * @param env A pointer to the Java environment | |
1007 | * | |
1008 | * @return The Java Class or nullptr if one of the | |
1009 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1010 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1011 | */ | |
1012 | static jclass getArrayListClass(JNIEnv* env) { | |
1013 | return JavaClass::getJClass(env, "java/util/ArrayList"); | |
1014 | } | |
1015 | ||
1016 | /** | |
1017 | * Get the Java Class java.util.Iterator | |
1018 | * | |
1019 | * @param env A pointer to the Java environment | |
1020 | * | |
1021 | * @return The Java Class or nullptr if one of the | |
1022 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1023 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1024 | */ | |
1025 | static jclass getIteratorClass(JNIEnv* env) { | |
1026 | return JavaClass::getJClass(env, "java/util/Iterator"); | |
1027 | } | |
1028 | ||
1029 | /** | |
1030 | * Get the Java Method: List#iterator | |
1031 | * | |
1032 | * @param env A pointer to the Java environment | |
1033 | * | |
1034 | * @return The Java Method ID or nullptr if the class or method id could not | |
1035 | * be retrieved | |
1036 | */ | |
1037 | static jmethodID getIteratorMethod(JNIEnv* env) { | |
1038 | jclass jlist_clazz = getListClass(env); | |
1039 | if(jlist_clazz == nullptr) { | |
1040 | // exception occurred accessing class | |
1041 | return nullptr; | |
1042 | } | |
1043 | ||
1044 | static jmethodID mid = | |
1045 | env->GetMethodID(jlist_clazz, "iterator", "()Ljava/util/Iterator;"); | |
1046 | assert(mid != nullptr); | |
1047 | return mid; | |
1048 | } | |
1049 | ||
1050 | /** | |
1051 | * Get the Java Method: Iterator#hasNext | |
1052 | * | |
1053 | * @param env A pointer to the Java environment | |
1054 | * | |
1055 | * @return The Java Method ID or nullptr if the class or method id could not | |
1056 | * be retrieved | |
1057 | */ | |
1058 | static jmethodID getHasNextMethod(JNIEnv* env) { | |
1059 | jclass jiterator_clazz = getIteratorClass(env); | |
1060 | if(jiterator_clazz == nullptr) { | |
1061 | // exception occurred accessing class | |
1062 | return nullptr; | |
1063 | } | |
1064 | ||
1065 | static jmethodID mid = env->GetMethodID(jiterator_clazz, "hasNext", "()Z"); | |
1066 | assert(mid != nullptr); | |
1067 | return mid; | |
1068 | } | |
1069 | ||
1070 | /** | |
1071 | * Get the Java Method: Iterator#next | |
1072 | * | |
1073 | * @param env A pointer to the Java environment | |
1074 | * | |
1075 | * @return The Java Method ID or nullptr if the class or method id could not | |
1076 | * be retrieved | |
1077 | */ | |
1078 | static jmethodID getNextMethod(JNIEnv* env) { | |
1079 | jclass jiterator_clazz = getIteratorClass(env); | |
1080 | if(jiterator_clazz == nullptr) { | |
1081 | // exception occurred accessing class | |
1082 | return nullptr; | |
1083 | } | |
1084 | ||
1085 | static jmethodID mid = | |
1086 | env->GetMethodID(jiterator_clazz, "next", "()Ljava/lang/Object;"); | |
1087 | assert(mid != nullptr); | |
1088 | return mid; | |
1089 | } | |
1090 | ||
1091 | /** | |
1092 | * Get the Java Method: ArrayList constructor | |
1093 | * | |
1094 | * @param env A pointer to the Java environment | |
1095 | * | |
1096 | * @return The Java Method ID or nullptr if the class or method id could not | |
1097 | * be retrieved | |
1098 | */ | |
1099 | static jmethodID getArrayListConstructorMethodId(JNIEnv* env) { | |
1100 | jclass jarray_list_clazz = getArrayListClass(env); | |
1101 | if(jarray_list_clazz == nullptr) { | |
1102 | // exception occurred accessing class | |
1103 | return nullptr; | |
1104 | } | |
1105 | static jmethodID mid = | |
1106 | env->GetMethodID(jarray_list_clazz, "<init>", "(I)V"); | |
1107 | assert(mid != nullptr); | |
1108 | return mid; | |
1109 | } | |
1110 | ||
1111 | /** | |
1112 | * Get the Java Method: List#add | |
1113 | * | |
1114 | * @param env A pointer to the Java environment | |
1115 | * | |
1116 | * @return The Java Method ID or nullptr if the class or method id could not | |
1117 | * be retrieved | |
1118 | */ | |
1119 | static jmethodID getListAddMethodId(JNIEnv* env) { | |
1120 | jclass jlist_clazz = getListClass(env); | |
1121 | if(jlist_clazz == nullptr) { | |
1122 | // exception occurred accessing class | |
1123 | return nullptr; | |
1124 | } | |
1125 | ||
1126 | static jmethodID mid = | |
1127 | env->GetMethodID(jlist_clazz, "add", "(Ljava/lang/Object;)Z"); | |
1128 | assert(mid != nullptr); | |
1129 | return mid; | |
1130 | } | |
1131 | }; | |
1132 | ||
1133 | // The portal class for java.lang.Byte | |
1134 | class ByteJni : public JavaClass { | |
1135 | public: | |
1136 | /** | |
1137 | * Get the Java Class java.lang.Byte | |
1138 | * | |
1139 | * @param env A pointer to the Java environment | |
1140 | * | |
1141 | * @return The Java Class or nullptr if one of the | |
1142 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1143 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1144 | */ | |
1145 | static jclass getJClass(JNIEnv* env) { | |
1146 | return JavaClass::getJClass(env, "java/lang/Byte"); | |
1147 | } | |
1148 | ||
1149 | /** | |
1150 | * Get the Java Class byte[] | |
1151 | * | |
1152 | * @param env A pointer to the Java environment | |
1153 | * | |
1154 | * @return The Java Class or nullptr if one of the | |
1155 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1156 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1157 | */ | |
1158 | static jclass getArrayJClass(JNIEnv* env) { | |
1159 | return JavaClass::getJClass(env, "[B"); | |
1160 | } | |
1161 | ||
1162 | /** | |
1163 | * Creates a new 2-dimensional Java Byte Array byte[][] | |
1164 | * | |
1165 | * @param env A pointer to the Java environment | |
1166 | * @param len The size of the first dimension | |
1167 | * | |
1168 | * @return A reference to the Java byte[][] or nullptr if an exception occurs | |
1169 | */ | |
1170 | static jobjectArray new2dByteArray(JNIEnv* env, const jsize len) { | |
1171 | jclass clazz = getArrayJClass(env); | |
1172 | if(clazz == nullptr) { | |
1173 | // exception occurred accessing class | |
1174 | return nullptr; | |
1175 | } | |
1176 | ||
1177 | return env->NewObjectArray(len, clazz, nullptr); | |
1178 | } | |
1179 | ||
1180 | /** | |
1181 | * Get the Java Method: Byte#byteValue | |
1182 | * | |
1183 | * @param env A pointer to the Java environment | |
1184 | * | |
1185 | * @return The Java Method ID or nullptr if the class or method id could not | |
1186 | * be retrieved | |
1187 | */ | |
1188 | static jmethodID getByteValueMethod(JNIEnv* env) { | |
1189 | jclass clazz = getJClass(env); | |
1190 | if(clazz == nullptr) { | |
1191 | // exception occurred accessing class | |
1192 | return nullptr; | |
1193 | } | |
1194 | ||
1195 | static jmethodID mid = env->GetMethodID(clazz, "byteValue", "()B"); | |
1196 | assert(mid != nullptr); | |
1197 | return mid; | |
1198 | } | |
1199 | ||
1200 | /** | |
1201 | * Calls the Java Method: Byte#valueOf, returning a constructed Byte jobject | |
1202 | * | |
1203 | * @param env A pointer to the Java environment | |
1204 | * | |
1205 | * @return A constructing Byte object or nullptr if the class or method id could not | |
1206 | * be retrieved, or an exception occurred | |
1207 | */ | |
1208 | static jobject valueOf(JNIEnv* env, jbyte jprimitive_byte) { | |
1209 | jclass clazz = getJClass(env); | |
1210 | if (clazz == nullptr) { | |
1211 | // exception occurred accessing class | |
1212 | return nullptr; | |
1213 | } | |
1214 | ||
1215 | static jmethodID mid = | |
1216 | env->GetStaticMethodID(clazz, "valueOf", "(B)Ljava/lang/Byte;"); | |
1217 | if (mid == nullptr) { | |
1218 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
1219 | return nullptr; | |
1220 | } | |
1221 | ||
1222 | const jobject jbyte_obj = | |
1223 | env->CallStaticObjectMethod(clazz, mid, jprimitive_byte); | |
1224 | if (env->ExceptionCheck()) { | |
1225 | // exception occurred | |
1226 | return nullptr; | |
1227 | } | |
1228 | ||
1229 | return jbyte_obj; | |
1230 | } | |
1231 | ||
1232 | }; | |
1233 | ||
1234 | // The portal class for java.nio.ByteBuffer | |
1235 | class ByteBufferJni : public JavaClass { | |
1236 | public: | |
1237 | /** | |
1238 | * Get the Java Class java.nio.ByteBuffer | |
1239 | * | |
1240 | * @param env A pointer to the Java environment | |
1241 | * | |
1242 | * @return The Java Class or nullptr if one of the | |
1243 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1244 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1245 | */ | |
1246 | static jclass getJClass(JNIEnv* env) { | |
1247 | return JavaClass::getJClass(env, "java/nio/ByteBuffer"); | |
1248 | } | |
1249 | ||
1250 | /** | |
1251 | * Get the Java Method: ByteBuffer#allocate | |
1252 | * | |
1253 | * @param env A pointer to the Java environment | |
1254 | * @param jbytebuffer_clazz if you have a reference to a ByteBuffer class, or | |
1255 | * nullptr | |
1256 | * | |
1257 | * @return The Java Method ID or nullptr if the class or method id could not | |
1258 | * be retrieved | |
1259 | */ | |
1260 | static jmethodID getAllocateMethodId(JNIEnv* env, | |
1261 | jclass jbytebuffer_clazz = nullptr) { | |
1262 | const jclass jclazz = | |
1263 | jbytebuffer_clazz == nullptr ? getJClass(env) : jbytebuffer_clazz; | |
1264 | if (jclazz == nullptr) { | |
1265 | // exception occurred accessing class | |
1266 | return nullptr; | |
1267 | } | |
1268 | ||
1269 | static jmethodID mid = env->GetStaticMethodID( | |
1270 | jclazz, "allocate", "(I)Ljava/nio/ByteBuffer;"); | |
1271 | assert(mid != nullptr); | |
1272 | return mid; | |
1273 | } | |
1274 | ||
1275 | /** | |
1276 | * Get the Java Method: ByteBuffer#array | |
1277 | * | |
1278 | * @param env A pointer to the Java environment | |
1279 | * | |
1280 | * @return The Java Method ID or nullptr if the class or method id could not | |
1281 | * be retrieved | |
1282 | */ | |
1283 | static jmethodID getArrayMethodId(JNIEnv* env, | |
1284 | jclass jbytebuffer_clazz = nullptr) { | |
1285 | const jclass jclazz = | |
1286 | jbytebuffer_clazz == nullptr ? getJClass(env) : jbytebuffer_clazz; | |
1287 | if(jclazz == nullptr) { | |
1288 | // exception occurred accessing class | |
1289 | return nullptr; | |
1290 | } | |
1291 | ||
1292 | static jmethodID mid = env->GetMethodID(jclazz, "array", "()[B"); | |
1293 | assert(mid != nullptr); | |
1294 | return mid; | |
1295 | } | |
1296 | ||
1297 | static jobject construct( | |
1298 | JNIEnv* env, const bool direct, const size_t capacity, | |
1299 | jclass jbytebuffer_clazz = nullptr) { | |
1300 | return constructWith(env, direct, nullptr, capacity, jbytebuffer_clazz); | |
1301 | } | |
1302 | ||
1303 | static jobject constructWith(JNIEnv* env, const bool direct, const char* buf, | |
1304 | const size_t capacity, | |
1305 | jclass jbytebuffer_clazz = nullptr) { | |
1306 | if (direct) { | |
1307 | bool allocated = false; | |
1308 | if (buf == nullptr) { | |
1309 | buf = new char[capacity]; | |
1310 | allocated = true; | |
1311 | } | |
1312 | jobject jbuf = env->NewDirectByteBuffer(const_cast<char*>(buf), static_cast<jlong>(capacity)); | |
1313 | if (jbuf == nullptr) { | |
1314 | // exception occurred | |
1315 | if (allocated) { | |
1316 | delete[] static_cast<const char*>(buf); | |
1317 | } | |
1318 | return nullptr; | |
1319 | } | |
1320 | return jbuf; | |
1321 | } else { | |
1322 | const jclass jclazz = | |
1323 | jbytebuffer_clazz == nullptr ? getJClass(env) : jbytebuffer_clazz; | |
1324 | if (jclazz == nullptr) { | |
1325 | // exception occurred accessing class | |
1326 | return nullptr; | |
1327 | } | |
1328 | const jmethodID jmid_allocate = getAllocateMethodId(env, jbytebuffer_clazz); | |
1329 | if (jmid_allocate == nullptr) { | |
1330 | // exception occurred accessing class, or NoSuchMethodException or OutOfMemoryError | |
1331 | return nullptr; | |
1332 | } | |
1333 | const jobject jbuf = env->CallStaticObjectMethod( | |
1334 | jclazz, jmid_allocate, static_cast<jint>(capacity)); | |
1335 | if (env->ExceptionCheck()) { | |
1336 | // exception occurred | |
1337 | return nullptr; | |
1338 | } | |
1339 | ||
1340 | // set buffer data? | |
1341 | if (buf != nullptr) { | |
1342 | jbyteArray jarray = array(env, jbuf, jbytebuffer_clazz); | |
1343 | if (jarray == nullptr) { | |
1344 | // exception occurred | |
1345 | env->DeleteLocalRef(jbuf); | |
1346 | return nullptr; | |
1347 | } | |
1348 | ||
1349 | jboolean is_copy = JNI_FALSE; | |
1350 | jbyte* ja = reinterpret_cast<jbyte*>( | |
1351 | env->GetPrimitiveArrayCritical(jarray, &is_copy)); | |
1352 | if (ja == nullptr) { | |
1353 | // exception occurred | |
1354 | env->DeleteLocalRef(jarray); | |
1355 | env->DeleteLocalRef(jbuf); | |
1356 | return nullptr; | |
1357 | } | |
1358 | ||
1359 | memcpy(ja, const_cast<char*>(buf), capacity); | |
1360 | ||
1361 | env->ReleasePrimitiveArrayCritical(jarray, ja, 0); | |
1362 | ||
1363 | env->DeleteLocalRef(jarray); | |
1364 | } | |
1365 | ||
1366 | return jbuf; | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | static jbyteArray array(JNIEnv* env, const jobject& jbyte_buffer, | |
1371 | jclass jbytebuffer_clazz = nullptr) { | |
1372 | const jmethodID mid = getArrayMethodId(env, jbytebuffer_clazz); | |
1373 | if (mid == nullptr) { | |
1374 | // exception occurred accessing class, or NoSuchMethodException or OutOfMemoryError | |
1375 | return nullptr; | |
1376 | } | |
1377 | const jobject jarray = env->CallObjectMethod(jbyte_buffer, mid); | |
1378 | if (env->ExceptionCheck()) { | |
1379 | // exception occurred | |
1380 | return nullptr; | |
1381 | } | |
1382 | return static_cast<jbyteArray>(jarray); | |
1383 | } | |
1384 | }; | |
1385 | ||
1386 | // The portal class for java.lang.Integer | |
1387 | class IntegerJni : public JavaClass { | |
1388 | public: | |
1389 | /** | |
1390 | * Get the Java Class java.lang.Integer | |
1391 | * | |
1392 | * @param env A pointer to the Java environment | |
1393 | * | |
1394 | * @return The Java Class or nullptr if one of the | |
1395 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1396 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1397 | */ | |
1398 | static jclass getJClass(JNIEnv* env) { | |
1399 | return JavaClass::getJClass(env, "java/lang/Integer"); | |
1400 | } | |
1401 | ||
1402 | static jobject valueOf(JNIEnv* env, jint jprimitive_int) { | |
1403 | jclass jclazz = getJClass(env); | |
1404 | if (jclazz == nullptr) { | |
1405 | // exception occurred accessing class | |
1406 | return nullptr; | |
1407 | } | |
1408 | ||
1409 | jmethodID mid = | |
1410 | env->GetStaticMethodID(jclazz, "valueOf", "(I)Ljava/lang/Integer;"); | |
1411 | if (mid == nullptr) { | |
1412 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
1413 | return nullptr; | |
1414 | } | |
1415 | ||
1416 | const jobject jinteger_obj = | |
1417 | env->CallStaticObjectMethod(jclazz, mid, jprimitive_int); | |
1418 | if (env->ExceptionCheck()) { | |
1419 | // exception occurred | |
1420 | return nullptr; | |
1421 | } | |
1422 | ||
1423 | return jinteger_obj; | |
1424 | } | |
1425 | }; | |
1426 | ||
1427 | // The portal class for java.lang.Long | |
1428 | class LongJni : public JavaClass { | |
1429 | public: | |
1430 | /** | |
1431 | * Get the Java Class java.lang.Long | |
1432 | * | |
1433 | * @param env A pointer to the Java environment | |
1434 | * | |
1435 | * @return The Java Class or nullptr if one of the | |
1436 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1437 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1438 | */ | |
1439 | static jclass getJClass(JNIEnv* env) { | |
1440 | return JavaClass::getJClass(env, "java/lang/Long"); | |
1441 | } | |
1442 | ||
1443 | static jobject valueOf(JNIEnv* env, jlong jprimitive_long) { | |
1444 | jclass jclazz = getJClass(env); | |
1445 | if (jclazz == nullptr) { | |
1446 | // exception occurred accessing class | |
1447 | return nullptr; | |
1448 | } | |
1449 | ||
1450 | jmethodID mid = | |
1451 | env->GetStaticMethodID(jclazz, "valueOf", "(J)Ljava/lang/Long;"); | |
1452 | if (mid == nullptr) { | |
1453 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
1454 | return nullptr; | |
1455 | } | |
1456 | ||
1457 | const jobject jlong_obj = | |
1458 | env->CallStaticObjectMethod(jclazz, mid, jprimitive_long); | |
1459 | if (env->ExceptionCheck()) { | |
1460 | // exception occurred | |
1461 | return nullptr; | |
1462 | } | |
1463 | ||
1464 | return jlong_obj; | |
1465 | } | |
1466 | }; | |
1467 | ||
1468 | // The portal class for java.lang.StringBuilder | |
1469 | class StringBuilderJni : public JavaClass { | |
1470 | public: | |
1471 | /** | |
1472 | * Get the Java Class java.lang.StringBuilder | |
1473 | * | |
1474 | * @param env A pointer to the Java environment | |
1475 | * | |
1476 | * @return The Java Class or nullptr if one of the | |
1477 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
1478 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
1479 | */ | |
1480 | static jclass getJClass(JNIEnv* env) { | |
1481 | return JavaClass::getJClass(env, "java/lang/StringBuilder"); | |
1482 | } | |
1483 | ||
1484 | /** | |
1485 | * Get the Java Method: StringBuilder#append | |
1486 | * | |
1487 | * @param env A pointer to the Java environment | |
1488 | * | |
1489 | * @return The Java Method ID or nullptr if the class or method id could not | |
1490 | * be retrieved | |
1491 | */ | |
1492 | static jmethodID getListAddMethodId(JNIEnv* env) { | |
1493 | jclass jclazz = getJClass(env); | |
1494 | if(jclazz == nullptr) { | |
1495 | // exception occurred accessing class | |
1496 | return nullptr; | |
1497 | } | |
1498 | ||
1499 | static jmethodID mid = | |
1500 | env->GetMethodID(jclazz, "append", | |
1501 | "(Ljava/lang/String;)Ljava/lang/StringBuilder;"); | |
1502 | assert(mid != nullptr); | |
1503 | return mid; | |
1504 | } | |
1505 | ||
1506 | /** | |
1507 | * Appends a C-style string to a StringBuilder | |
1508 | * | |
1509 | * @param env A pointer to the Java environment | |
1510 | * @param jstring_builder Reference to a java.lang.StringBuilder | |
1511 | * @param c_str A C-style string to append to the StringBuilder | |
1512 | * | |
1513 | * @return A reference to the updated StringBuilder, or a nullptr if | |
1514 | * an exception occurs | |
1515 | */ | |
1516 | static jobject append(JNIEnv* env, jobject jstring_builder, | |
1517 | const char* c_str) { | |
1518 | jmethodID mid = getListAddMethodId(env); | |
1519 | if(mid == nullptr) { | |
1520 | // exception occurred accessing class or method | |
1521 | return nullptr; | |
1522 | } | |
1523 | ||
1524 | jstring new_value_str = env->NewStringUTF(c_str); | |
1525 | if(new_value_str == nullptr) { | |
1526 | // exception thrown: OutOfMemoryError | |
1527 | return nullptr; | |
1528 | } | |
1529 | ||
1530 | jobject jresult_string_builder = | |
1531 | env->CallObjectMethod(jstring_builder, mid, new_value_str); | |
1532 | if(env->ExceptionCheck()) { | |
1533 | // exception occurred | |
1534 | env->DeleteLocalRef(new_value_str); | |
1535 | return nullptr; | |
1536 | } | |
1537 | ||
1538 | return jresult_string_builder; | |
1539 | } | |
1540 | }; | |
1541 | ||
1542 | // various utility functions for working with RocksDB and JNI | |
1543 | class JniUtil { | |
1544 | public: | |
1545 | /** | |
1546 | * Detect if jlong overflows size_t | |
1547 | * | |
1548 | * @param jvalue the jlong value | |
1549 | * | |
1550 | * @return | |
1551 | */ | |
1552 | inline static Status check_if_jlong_fits_size_t(const jlong& jvalue) { | |
1553 | Status s = Status::OK(); | |
1554 | if (static_cast<uint64_t>(jvalue) > std::numeric_limits<size_t>::max()) { | |
1555 | s = Status::InvalidArgument(Slice("jlong overflows 32 bit value.")); | |
1556 | } | |
1557 | return s; | |
1558 | } | |
1559 | ||
1560 | /** | |
1561 | * Obtains a reference to the JNIEnv from | |
1562 | * the JVM | |
1563 | * | |
1564 | * If the current thread is not attached to the JavaVM | |
1565 | * then it will be attached so as to retrieve the JNIEnv | |
1566 | * | |
1567 | * If a thread is attached, it must later be manually | |
1568 | * released by calling JavaVM::DetachCurrentThread. | |
1569 | * This can be handled by always matching calls to this | |
1570 | * function with calls to {@link JniUtil::releaseJniEnv(JavaVM*, jboolean)} | |
1571 | * | |
1572 | * @param jvm (IN) A pointer to the JavaVM instance | |
1573 | * @param attached (OUT) A pointer to a boolean which | |
1574 | * will be set to JNI_TRUE if we had to attach the thread | |
1575 | * | |
1576 | * @return A pointer to the JNIEnv or nullptr if a fatal error | |
1577 | * occurs and the JNIEnv cannot be retrieved | |
1578 | */ | |
1579 | static JNIEnv* getJniEnv(JavaVM* jvm, jboolean* attached) { | |
1580 | assert(jvm != nullptr); | |
1581 | ||
1582 | JNIEnv *env; | |
1583 | const jint env_rs = jvm->GetEnv(reinterpret_cast<void**>(&env), | |
1584 | JNI_VERSION_1_6); | |
1585 | ||
1586 | if(env_rs == JNI_OK) { | |
1587 | // current thread is already attached, return the JNIEnv | |
1588 | *attached = JNI_FALSE; | |
1589 | return env; | |
1590 | } else if(env_rs == JNI_EDETACHED) { | |
1591 | // current thread is not attached, attempt to attach | |
1592 | const jint rs_attach = jvm->AttachCurrentThread(reinterpret_cast<void**>(&env), NULL); | |
1593 | if(rs_attach == JNI_OK) { | |
1594 | *attached = JNI_TRUE; | |
1595 | return env; | |
1596 | } else { | |
1597 | // error, could not attach the thread | |
1598 | std::cerr << "JniUtil::getJniEnv - Fatal: could not attach current thread to JVM!" << std::endl; | |
1599 | return nullptr; | |
1600 | } | |
1601 | } else if(env_rs == JNI_EVERSION) { | |
1602 | // error, JDK does not support JNI_VERSION_1_6+ | |
1603 | std::cerr << "JniUtil::getJniEnv - Fatal: JDK does not support JNI_VERSION_1_6" << std::endl; | |
1604 | return nullptr; | |
1605 | } else { | |
1606 | std::cerr << "JniUtil::getJniEnv - Fatal: Unknown error: env_rs=" << env_rs << std::endl; | |
1607 | return nullptr; | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | /** | |
1612 | * Counterpart to {@link JniUtil::getJniEnv(JavaVM*, jboolean*)} | |
1613 | * | |
1614 | * Detachess the current thread from the JVM if it was previously | |
1615 | * attached | |
1616 | * | |
1617 | * @param jvm (IN) A pointer to the JavaVM instance | |
1618 | * @param attached (IN) JNI_TRUE if we previously had to attach the thread | |
1619 | * to the JavaVM to get the JNIEnv | |
1620 | */ | |
1621 | static void releaseJniEnv(JavaVM* jvm, jboolean& attached) { | |
1622 | assert(jvm != nullptr); | |
1623 | if(attached == JNI_TRUE) { | |
1624 | const jint rs_detach = jvm->DetachCurrentThread(); | |
1625 | assert(rs_detach == JNI_OK); | |
1626 | if(rs_detach != JNI_OK) { | |
1627 | std::cerr << "JniUtil::getJniEnv - Warn: Unable to detach current thread from JVM!" << std::endl; | |
1628 | } | |
1629 | } | |
1630 | } | |
1631 | ||
1632 | /** | |
1633 | * Copies a Java String[] to a C++ std::vector<std::string> | |
1634 | * | |
1635 | * @param env (IN) A pointer to the java environment | |
1636 | * @param jss (IN) The Java String array to copy | |
1637 | * @param has_exception (OUT) will be set to JNI_TRUE | |
1638 | * if an OutOfMemoryError or ArrayIndexOutOfBoundsException | |
1639 | * exception occurs | |
1640 | * | |
1641 | * @return A std::vector<std:string> containing copies of the Java strings | |
1642 | */ | |
1643 | static std::vector<std::string> copyStrings(JNIEnv* env, | |
1644 | jobjectArray jss, jboolean* has_exception) { | |
1645 | return ROCKSDB_NAMESPACE::JniUtil::copyStrings( | |
1646 | env, jss, env->GetArrayLength(jss), has_exception); | |
1647 | } | |
1648 | ||
1649 | /** | |
1650 | * Copies a Java String[] to a C++ std::vector<std::string> | |
1651 | * | |
1652 | * @param env (IN) A pointer to the java environment | |
1653 | * @param jss (IN) The Java String array to copy | |
1654 | * @param jss_len (IN) The length of the Java String array to copy | |
1655 | * @param has_exception (OUT) will be set to JNI_TRUE | |
1656 | * if an OutOfMemoryError or ArrayIndexOutOfBoundsException | |
1657 | * exception occurs | |
1658 | * | |
1659 | * @return A std::vector<std:string> containing copies of the Java strings | |
1660 | */ | |
1661 | static std::vector<std::string> copyStrings(JNIEnv* env, | |
1662 | jobjectArray jss, const jsize jss_len, jboolean* has_exception) { | |
1663 | std::vector<std::string> strs; | |
1664 | strs.reserve(jss_len); | |
1665 | for (jsize i = 0; i < jss_len; i++) { | |
1666 | jobject js = env->GetObjectArrayElement(jss, i); | |
1667 | if(env->ExceptionCheck()) { | |
1668 | // exception thrown: ArrayIndexOutOfBoundsException | |
1669 | *has_exception = JNI_TRUE; | |
1670 | return strs; | |
1671 | } | |
1672 | ||
1673 | jstring jstr = static_cast<jstring>(js); | |
1674 | const char* str = env->GetStringUTFChars(jstr, nullptr); | |
1675 | if(str == nullptr) { | |
1676 | // exception thrown: OutOfMemoryError | |
1677 | env->DeleteLocalRef(js); | |
1678 | *has_exception = JNI_TRUE; | |
1679 | return strs; | |
1680 | } | |
1681 | ||
1682 | strs.push_back(std::string(str)); | |
1683 | ||
1684 | env->ReleaseStringUTFChars(jstr, str); | |
1685 | env->DeleteLocalRef(js); | |
1686 | } | |
1687 | ||
1688 | *has_exception = JNI_FALSE; | |
1689 | return strs; | |
1690 | } | |
1691 | ||
1692 | /** | |
1693 | * Copies a jstring to a C-style null-terminated byte string | |
1694 | * and releases the original jstring | |
1695 | * | |
1696 | * The jstring is copied as UTF-8 | |
1697 | * | |
1698 | * If an exception occurs, then JNIEnv::ExceptionCheck() | |
1699 | * will have been called | |
1700 | * | |
1701 | * @param env (IN) A pointer to the java environment | |
1702 | * @param js (IN) The java string to copy | |
1703 | * @param has_exception (OUT) will be set to JNI_TRUE | |
1704 | * if an OutOfMemoryError exception occurs | |
1705 | * | |
1706 | * @return A pointer to the copied string, or a | |
1707 | * nullptr if has_exception == JNI_TRUE | |
1708 | */ | |
1709 | static std::unique_ptr<char[]> copyString(JNIEnv* env, jstring js, | |
1710 | jboolean* has_exception) { | |
1711 | const char *utf = env->GetStringUTFChars(js, nullptr); | |
1712 | if(utf == nullptr) { | |
1713 | // exception thrown: OutOfMemoryError | |
1714 | env->ExceptionCheck(); | |
1715 | *has_exception = JNI_TRUE; | |
1716 | return nullptr; | |
1717 | } else if(env->ExceptionCheck()) { | |
1718 | // exception thrown | |
1719 | env->ReleaseStringUTFChars(js, utf); | |
1720 | *has_exception = JNI_TRUE; | |
1721 | return nullptr; | |
1722 | } | |
1723 | ||
1724 | const jsize utf_len = env->GetStringUTFLength(js); | |
1725 | std::unique_ptr<char[]> str(new char[utf_len + 1]); // Note: + 1 is needed for the c_str null terminator | |
1726 | std::strcpy(str.get(), utf); | |
1727 | env->ReleaseStringUTFChars(js, utf); | |
1728 | *has_exception = JNI_FALSE; | |
1729 | return str; | |
1730 | } | |
1731 | ||
1732 | /** | |
1733 | * Copies a jstring to a std::string | |
1734 | * and releases the original jstring | |
1735 | * | |
1736 | * If an exception occurs, then JNIEnv::ExceptionCheck() | |
1737 | * will have been called | |
1738 | * | |
1739 | * @param env (IN) A pointer to the java environment | |
1740 | * @param js (IN) The java string to copy | |
1741 | * @param has_exception (OUT) will be set to JNI_TRUE | |
1742 | * if an OutOfMemoryError exception occurs | |
1743 | * | |
1744 | * @return A std:string copy of the jstring, or an | |
1745 | * empty std::string if has_exception == JNI_TRUE | |
1746 | */ | |
1747 | static std::string copyStdString(JNIEnv* env, jstring js, | |
1748 | jboolean* has_exception) { | |
1749 | const char *utf = env->GetStringUTFChars(js, nullptr); | |
1750 | if(utf == nullptr) { | |
1751 | // exception thrown: OutOfMemoryError | |
1752 | env->ExceptionCheck(); | |
1753 | *has_exception = JNI_TRUE; | |
1754 | return std::string(); | |
1755 | } else if(env->ExceptionCheck()) { | |
1756 | // exception thrown | |
1757 | env->ReleaseStringUTFChars(js, utf); | |
1758 | *has_exception = JNI_TRUE; | |
1759 | return std::string(); | |
1760 | } | |
1761 | ||
1762 | std::string name(utf); | |
1763 | env->ReleaseStringUTFChars(js, utf); | |
1764 | *has_exception = JNI_FALSE; | |
1765 | return name; | |
1766 | } | |
1767 | ||
1768 | /** | |
1769 | * Copies bytes from a std::string to a jByteArray | |
1770 | * | |
1771 | * @param env A pointer to the java environment | |
1772 | * @param bytes The bytes to copy | |
1773 | * | |
1774 | * @return the Java byte[], or nullptr if an exception occurs | |
1775 | * | |
1776 | * @throws RocksDBException thrown | |
1777 | * if memory size to copy exceeds general java specific array size limitation. | |
1778 | */ | |
1779 | static jbyteArray copyBytes(JNIEnv* env, std::string bytes) { | |
1780 | return createJavaByteArrayWithSizeCheck(env, bytes.c_str(), bytes.size()); | |
1781 | } | |
1782 | ||
1783 | /** | |
1784 | * Given a Java byte[][] which is an array of java.lang.Strings | |
1785 | * where each String is a byte[], the passed function `string_fn` | |
1786 | * will be called on each String, the result is the collected by | |
1787 | * calling the passed function `collector_fn` | |
1788 | * | |
1789 | * @param env (IN) A pointer to the java environment | |
1790 | * @param jbyte_strings (IN) A Java array of Strings expressed as bytes | |
1791 | * @param string_fn (IN) A transform function to call for each String | |
1792 | * @param collector_fn (IN) A collector which is called for the result | |
1793 | * of each `string_fn` | |
1794 | * @param has_exception (OUT) will be set to JNI_TRUE | |
1795 | * if an ArrayIndexOutOfBoundsException or OutOfMemoryError | |
1796 | * exception occurs | |
1797 | */ | |
1798 | template <typename T> static void byteStrings(JNIEnv* env, | |
1799 | jobjectArray jbyte_strings, | |
1800 | std::function<T(const char*, const size_t)> string_fn, | |
1801 | std::function<void(size_t, T)> collector_fn, | |
1802 | jboolean *has_exception) { | |
1803 | const jsize jlen = env->GetArrayLength(jbyte_strings); | |
1804 | ||
1805 | for(jsize i = 0; i < jlen; i++) { | |
1806 | jobject jbyte_string_obj = env->GetObjectArrayElement(jbyte_strings, i); | |
1807 | if(env->ExceptionCheck()) { | |
1808 | // exception thrown: ArrayIndexOutOfBoundsException | |
1809 | *has_exception = JNI_TRUE; // signal error | |
1810 | return; | |
1811 | } | |
1812 | ||
1813 | jbyteArray jbyte_string_ary = | |
1814 | reinterpret_cast<jbyteArray>(jbyte_string_obj); | |
1815 | T result = byteString(env, jbyte_string_ary, string_fn, has_exception); | |
1816 | ||
1817 | env->DeleteLocalRef(jbyte_string_obj); | |
1818 | ||
1819 | if(*has_exception == JNI_TRUE) { | |
1820 | // exception thrown: OutOfMemoryError | |
1821 | return; | |
1822 | } | |
1823 | ||
1824 | collector_fn(i, result); | |
1825 | } | |
1826 | ||
1827 | *has_exception = JNI_FALSE; | |
1828 | } | |
1829 | ||
1830 | /** | |
1831 | * Given a Java String which is expressed as a Java Byte Array byte[], | |
1832 | * the passed function `string_fn` will be called on the String | |
1833 | * and the result returned | |
1834 | * | |
1835 | * @param env (IN) A pointer to the java environment | |
1836 | * @param jbyte_string_ary (IN) A Java String expressed in bytes | |
1837 | * @param string_fn (IN) A transform function to call on the String | |
1838 | * @param has_exception (OUT) will be set to JNI_TRUE | |
1839 | * if an OutOfMemoryError exception occurs | |
1840 | */ | |
1841 | template <typename T> static T byteString(JNIEnv* env, | |
1842 | jbyteArray jbyte_string_ary, | |
1843 | std::function<T(const char*, const size_t)> string_fn, | |
1844 | jboolean* has_exception) { | |
1845 | const jsize jbyte_string_len = env->GetArrayLength(jbyte_string_ary); | |
1846 | return byteString<T>(env, jbyte_string_ary, jbyte_string_len, string_fn, | |
1847 | has_exception); | |
1848 | } | |
1849 | ||
1850 | /** | |
1851 | * Given a Java String which is expressed as a Java Byte Array byte[], | |
1852 | * the passed function `string_fn` will be called on the String | |
1853 | * and the result returned | |
1854 | * | |
1855 | * @param env (IN) A pointer to the java environment | |
1856 | * @param jbyte_string_ary (IN) A Java String expressed in bytes | |
1857 | * @param jbyte_string_len (IN) The length of the Java String | |
1858 | * expressed in bytes | |
1859 | * @param string_fn (IN) A transform function to call on the String | |
1860 | * @param has_exception (OUT) will be set to JNI_TRUE | |
1861 | * if an OutOfMemoryError exception occurs | |
1862 | */ | |
1863 | template <typename T> static T byteString(JNIEnv* env, | |
1864 | jbyteArray jbyte_string_ary, const jsize jbyte_string_len, | |
1865 | std::function<T(const char*, const size_t)> string_fn, | |
1866 | jboolean* has_exception) { | |
1867 | jbyte* jbyte_string = | |
1868 | env->GetByteArrayElements(jbyte_string_ary, nullptr); | |
1869 | if(jbyte_string == nullptr) { | |
1870 | // exception thrown: OutOfMemoryError | |
1871 | *has_exception = JNI_TRUE; | |
1872 | return nullptr; // signal error | |
1873 | } | |
1874 | ||
1875 | T result = | |
1876 | string_fn(reinterpret_cast<char *>(jbyte_string), jbyte_string_len); | |
1877 | ||
1878 | env->ReleaseByteArrayElements(jbyte_string_ary, jbyte_string, JNI_ABORT); | |
1879 | ||
1880 | *has_exception = JNI_FALSE; | |
1881 | return result; | |
1882 | } | |
1883 | ||
1884 | /** | |
1885 | * Converts a std::vector<string> to a Java byte[][] where each Java String | |
1886 | * is expressed as a Java Byte Array byte[]. | |
1887 | * | |
1888 | * @param env A pointer to the java environment | |
1889 | * @param strings A vector of Strings | |
1890 | * | |
1891 | * @return A Java array of Strings expressed as bytes, | |
1892 | * or nullptr if an exception is thrown | |
1893 | */ | |
1894 | static jobjectArray stringsBytes(JNIEnv* env, std::vector<std::string> strings) { | |
1895 | jclass jcls_ba = ByteJni::getArrayJClass(env); | |
1896 | if(jcls_ba == nullptr) { | |
1897 | // exception occurred | |
1898 | return nullptr; | |
1899 | } | |
1900 | ||
1901 | const jsize len = static_cast<jsize>(strings.size()); | |
1902 | ||
1903 | jobjectArray jbyte_strings = env->NewObjectArray(len, jcls_ba, nullptr); | |
1904 | if(jbyte_strings == nullptr) { | |
1905 | // exception thrown: OutOfMemoryError | |
1906 | return nullptr; | |
1907 | } | |
1908 | ||
1909 | for (jsize i = 0; i < len; i++) { | |
1910 | std::string *str = &strings[i]; | |
1911 | const jsize str_len = static_cast<jsize>(str->size()); | |
1912 | ||
1913 | jbyteArray jbyte_string_ary = env->NewByteArray(str_len); | |
1914 | if(jbyte_string_ary == nullptr) { | |
1915 | // exception thrown: OutOfMemoryError | |
1916 | env->DeleteLocalRef(jbyte_strings); | |
1917 | return nullptr; | |
1918 | } | |
1919 | ||
1920 | env->SetByteArrayRegion( | |
1921 | jbyte_string_ary, 0, str_len, | |
1922 | const_cast<jbyte*>(reinterpret_cast<const jbyte*>(str->c_str()))); | |
1923 | if(env->ExceptionCheck()) { | |
1924 | // exception thrown: ArrayIndexOutOfBoundsException | |
1925 | env->DeleteLocalRef(jbyte_string_ary); | |
1926 | env->DeleteLocalRef(jbyte_strings); | |
1927 | return nullptr; | |
1928 | } | |
1929 | ||
1930 | env->SetObjectArrayElement(jbyte_strings, i, jbyte_string_ary); | |
1931 | if(env->ExceptionCheck()) { | |
1932 | // exception thrown: ArrayIndexOutOfBoundsException | |
1933 | // or ArrayStoreException | |
1934 | env->DeleteLocalRef(jbyte_string_ary); | |
1935 | env->DeleteLocalRef(jbyte_strings); | |
1936 | return nullptr; | |
1937 | } | |
1938 | ||
1939 | env->DeleteLocalRef(jbyte_string_ary); | |
1940 | } | |
1941 | ||
1942 | return jbyte_strings; | |
1943 | } | |
1944 | ||
1945 | /** | |
1946 | * Converts a std::vector<std::string> to a Java String[]. | |
1947 | * | |
1948 | * @param env A pointer to the java environment | |
1949 | * @param strings A vector of Strings | |
1950 | * | |
1951 | * @return A Java array of Strings, | |
1952 | * or nullptr if an exception is thrown | |
1953 | */ | |
1954 | static jobjectArray toJavaStrings(JNIEnv* env, | |
1955 | const std::vector<std::string>* strings) { | |
1956 | jclass jcls_str = env->FindClass("java/lang/String"); | |
1957 | if(jcls_str == nullptr) { | |
1958 | // exception occurred | |
1959 | return nullptr; | |
1960 | } | |
1961 | ||
1962 | const jsize len = static_cast<jsize>(strings->size()); | |
1963 | ||
1964 | jobjectArray jstrings = env->NewObjectArray(len, jcls_str, nullptr); | |
1965 | if(jstrings == nullptr) { | |
1966 | // exception thrown: OutOfMemoryError | |
1967 | return nullptr; | |
1968 | } | |
1969 | ||
1970 | for (jsize i = 0; i < len; i++) { | |
1971 | const std::string *str = &((*strings)[i]); | |
1972 | jstring js = ROCKSDB_NAMESPACE::JniUtil::toJavaString(env, str); | |
1973 | if (js == nullptr) { | |
1974 | env->DeleteLocalRef(jstrings); | |
1975 | return nullptr; | |
1976 | } | |
1977 | ||
1978 | env->SetObjectArrayElement(jstrings, i, js); | |
1979 | if(env->ExceptionCheck()) { | |
1980 | // exception thrown: ArrayIndexOutOfBoundsException | |
1981 | // or ArrayStoreException | |
1982 | env->DeleteLocalRef(js); | |
1983 | env->DeleteLocalRef(jstrings); | |
1984 | return nullptr; | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | return jstrings; | |
1989 | } | |
1990 | ||
1991 | /** | |
1992 | * Creates a Java UTF String from a C++ std::string | |
1993 | * | |
1994 | * @param env A pointer to the java environment | |
1995 | * @param string the C++ std::string | |
1996 | * @param treat_empty_as_null true if empty strings should be treated as null | |
1997 | * | |
1998 | * @return the Java UTF string, or nullptr if the provided string | |
1999 | * is null (or empty and treat_empty_as_null is set), or if an | |
2000 | * exception occurs allocating the Java String. | |
2001 | */ | |
2002 | static jstring toJavaString(JNIEnv* env, const std::string* string, | |
2003 | const bool treat_empty_as_null = false) { | |
2004 | if (string == nullptr) { | |
2005 | return nullptr; | |
2006 | } | |
2007 | ||
2008 | if (treat_empty_as_null && string->empty()) { | |
2009 | return nullptr; | |
2010 | } | |
2011 | ||
2012 | return env->NewStringUTF(string->c_str()); | |
2013 | } | |
2014 | ||
2015 | /** | |
2016 | * Copies bytes to a new jByteArray with the check of java array size limitation. | |
2017 | * | |
2018 | * @param bytes pointer to memory to copy to a new jByteArray | |
2019 | * @param size number of bytes to copy | |
2020 | * | |
2021 | * @return the Java byte[], or nullptr if an exception occurs | |
2022 | * | |
2023 | * @throws RocksDBException thrown | |
2024 | * if memory size to copy exceeds general java array size limitation to avoid overflow. | |
2025 | */ | |
2026 | static jbyteArray createJavaByteArrayWithSizeCheck(JNIEnv* env, const char* bytes, const size_t size) { | |
2027 | // Limitation for java array size is vm specific | |
2028 | // In general it cannot exceed Integer.MAX_VALUE (2^31 - 1) | |
2029 | // Current HotSpot VM limitation for array size is Integer.MAX_VALUE - 5 (2^31 - 1 - 5) | |
2030 | // It means that the next call to env->NewByteArray can still end with | |
2031 | // OutOfMemoryError("Requested array size exceeds VM limit") coming from VM | |
2032 | static const size_t MAX_JARRAY_SIZE = (static_cast<size_t>(1)) << 31; | |
2033 | if(size > MAX_JARRAY_SIZE) { | |
2034 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew( | |
2035 | env, "Requested array size exceeds VM limit"); | |
2036 | return nullptr; | |
2037 | } | |
2038 | ||
2039 | const jsize jlen = static_cast<jsize>(size); | |
2040 | jbyteArray jbytes = env->NewByteArray(jlen); | |
2041 | if(jbytes == nullptr) { | |
2042 | // exception thrown: OutOfMemoryError | |
2043 | return nullptr; | |
2044 | } | |
2045 | ||
2046 | env->SetByteArrayRegion(jbytes, 0, jlen, | |
2047 | const_cast<jbyte*>(reinterpret_cast<const jbyte*>(bytes))); | |
2048 | if(env->ExceptionCheck()) { | |
2049 | // exception thrown: ArrayIndexOutOfBoundsException | |
2050 | env->DeleteLocalRef(jbytes); | |
2051 | return nullptr; | |
2052 | } | |
2053 | ||
2054 | return jbytes; | |
2055 | } | |
2056 | ||
2057 | /** | |
2058 | * Copies bytes from a ROCKSDB_NAMESPACE::Slice to a jByteArray | |
2059 | * | |
2060 | * @param env A pointer to the java environment | |
2061 | * @param bytes The bytes to copy | |
2062 | * | |
2063 | * @return the Java byte[] or nullptr if an exception occurs | |
2064 | * | |
2065 | * @throws RocksDBException thrown | |
2066 | * if memory size to copy exceeds general java specific array size | |
2067 | * limitation. | |
2068 | */ | |
2069 | static jbyteArray copyBytes(JNIEnv* env, const Slice& bytes) { | |
2070 | return createJavaByteArrayWithSizeCheck(env, bytes.data(), bytes.size()); | |
2071 | } | |
2072 | ||
2073 | /* | |
2074 | * Helper for operations on a key and value | |
2075 | * for example WriteBatch->Put | |
2076 | * | |
2077 | * TODO(AR) could be used for RocksDB->Put etc. | |
2078 | */ | |
2079 | static std::unique_ptr<ROCKSDB_NAMESPACE::Status> kv_op( | |
2080 | std::function<ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Slice, | |
2081 | ROCKSDB_NAMESPACE::Slice)> | |
2082 | op, | |
2083 | JNIEnv* env, jobject /*jobj*/, jbyteArray jkey, jint jkey_len, | |
2084 | jbyteArray jvalue, jint jvalue_len) { | |
2085 | jbyte* key = env->GetByteArrayElements(jkey, nullptr); | |
2086 | if(env->ExceptionCheck()) { | |
2087 | // exception thrown: OutOfMemoryError | |
2088 | return nullptr; | |
2089 | } | |
2090 | ||
2091 | jbyte* value = env->GetByteArrayElements(jvalue, nullptr); | |
2092 | if(env->ExceptionCheck()) { | |
2093 | // exception thrown: OutOfMemoryError | |
2094 | if(key != nullptr) { | |
2095 | env->ReleaseByteArrayElements(jkey, key, JNI_ABORT); | |
2096 | } | |
2097 | return nullptr; | |
2098 | } | |
2099 | ||
2100 | ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), | |
2101 | jkey_len); | |
2102 | ROCKSDB_NAMESPACE::Slice value_slice(reinterpret_cast<char*>(value), | |
2103 | jvalue_len); | |
2104 | ||
2105 | auto status = op(key_slice, value_slice); | |
2106 | ||
2107 | if(value != nullptr) { | |
2108 | env->ReleaseByteArrayElements(jvalue, value, JNI_ABORT); | |
2109 | } | |
2110 | if(key != nullptr) { | |
2111 | env->ReleaseByteArrayElements(jkey, key, JNI_ABORT); | |
2112 | } | |
2113 | ||
2114 | return std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
2115 | new ROCKSDB_NAMESPACE::Status(status)); | |
2116 | } | |
2117 | ||
2118 | /* | |
2119 | * Helper for operations on a key | |
2120 | * for example WriteBatch->Delete | |
2121 | * | |
2122 | * TODO(AR) could be used for RocksDB->Delete etc. | |
2123 | */ | |
2124 | static std::unique_ptr<ROCKSDB_NAMESPACE::Status> k_op( | |
2125 | std::function<ROCKSDB_NAMESPACE::Status(ROCKSDB_NAMESPACE::Slice)> op, | |
2126 | JNIEnv* env, jobject /*jobj*/, jbyteArray jkey, jint jkey_len) { | |
2127 | jbyte* key = env->GetByteArrayElements(jkey, nullptr); | |
2128 | if(env->ExceptionCheck()) { | |
2129 | // exception thrown: OutOfMemoryError | |
2130 | return nullptr; | |
2131 | } | |
2132 | ||
2133 | ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), | |
2134 | jkey_len); | |
2135 | ||
2136 | auto status = op(key_slice); | |
2137 | ||
2138 | if(key != nullptr) { | |
2139 | env->ReleaseByteArrayElements(jkey, key, JNI_ABORT); | |
2140 | } | |
2141 | ||
2142 | return std::unique_ptr<ROCKSDB_NAMESPACE::Status>( | |
2143 | new ROCKSDB_NAMESPACE::Status(status)); | |
2144 | } | |
2145 | ||
2146 | /* | |
2147 | * Helper for operations on a value | |
2148 | * for example WriteBatchWithIndex->GetFromBatch | |
2149 | */ | |
2150 | static jbyteArray v_op(std::function<ROCKSDB_NAMESPACE::Status( | |
2151 | ROCKSDB_NAMESPACE::Slice, std::string*)> | |
2152 | op, | |
2153 | JNIEnv* env, jbyteArray jkey, jint jkey_len) { | |
2154 | jbyte* key = env->GetByteArrayElements(jkey, nullptr); | |
2155 | if(env->ExceptionCheck()) { | |
2156 | // exception thrown: OutOfMemoryError | |
2157 | return nullptr; | |
2158 | } | |
2159 | ||
2160 | ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), | |
2161 | jkey_len); | |
2162 | ||
2163 | std::string value; | |
2164 | ROCKSDB_NAMESPACE::Status s = op(key_slice, &value); | |
2165 | ||
2166 | if(key != nullptr) { | |
2167 | env->ReleaseByteArrayElements(jkey, key, JNI_ABORT); | |
2168 | } | |
2169 | ||
2170 | if (s.IsNotFound()) { | |
2171 | return nullptr; | |
2172 | } | |
2173 | ||
2174 | if (s.ok()) { | |
2175 | jbyteArray jret_value = | |
2176 | env->NewByteArray(static_cast<jsize>(value.size())); | |
2177 | if(jret_value == nullptr) { | |
2178 | // exception thrown: OutOfMemoryError | |
2179 | return nullptr; | |
2180 | } | |
2181 | ||
2182 | env->SetByteArrayRegion(jret_value, 0, static_cast<jsize>(value.size()), | |
2183 | const_cast<jbyte*>(reinterpret_cast<const jbyte*>(value.c_str()))); | |
2184 | if(env->ExceptionCheck()) { | |
2185 | // exception thrown: ArrayIndexOutOfBoundsException | |
2186 | if(jret_value != nullptr) { | |
2187 | env->DeleteLocalRef(jret_value); | |
2188 | } | |
2189 | return nullptr; | |
2190 | } | |
2191 | ||
2192 | return jret_value; | |
2193 | } | |
2194 | ||
2195 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s); | |
2196 | return nullptr; | |
2197 | } | |
2198 | ||
2199 | /** | |
2200 | * Creates a vector<T*> of C++ pointers from | |
2201 | * a Java array of C++ pointer addresses. | |
2202 | * | |
2203 | * @param env (IN) A pointer to the java environment | |
2204 | * @param pointers (IN) A Java array of C++ pointer addresses | |
2205 | * @param has_exception (OUT) will be set to JNI_TRUE | |
2206 | * if an ArrayIndexOutOfBoundsException or OutOfMemoryError | |
2207 | * exception occurs. | |
2208 | * | |
2209 | * @return A vector of C++ pointers. | |
2210 | */ | |
2211 | template<typename T> static std::vector<T*> fromJPointers( | |
2212 | JNIEnv* env, jlongArray jptrs, jboolean *has_exception) { | |
2213 | const jsize jptrs_len = env->GetArrayLength(jptrs); | |
2214 | std::vector<T*> ptrs; | |
2215 | jlong* jptr = env->GetLongArrayElements(jptrs, nullptr); | |
2216 | if (jptr == nullptr) { | |
2217 | // exception thrown: OutOfMemoryError | |
2218 | *has_exception = JNI_TRUE; | |
2219 | return ptrs; | |
2220 | } | |
2221 | ptrs.reserve(jptrs_len); | |
2222 | for (jsize i = 0; i < jptrs_len; i++) { | |
2223 | ptrs.push_back(reinterpret_cast<T*>(jptr[i])); | |
2224 | } | |
2225 | env->ReleaseLongArrayElements(jptrs, jptr, JNI_ABORT); | |
2226 | return ptrs; | |
2227 | } | |
2228 | ||
2229 | /** | |
2230 | * Creates a Java array of C++ pointer addresses | |
2231 | * from a vector of C++ pointers. | |
2232 | * | |
2233 | * @param env (IN) A pointer to the java environment | |
2234 | * @param pointers (IN) A vector of C++ pointers | |
2235 | * @param has_exception (OUT) will be set to JNI_TRUE | |
2236 | * if an ArrayIndexOutOfBoundsException or OutOfMemoryError | |
2237 | * exception occurs | |
2238 | * | |
2239 | * @return Java array of C++ pointer addresses. | |
2240 | */ | |
2241 | template<typename T> static jlongArray toJPointers(JNIEnv* env, | |
2242 | const std::vector<T*> &pointers, | |
2243 | jboolean *has_exception) { | |
2244 | const jsize len = static_cast<jsize>(pointers.size()); | |
2245 | std::unique_ptr<jlong[]> results(new jlong[len]); | |
2246 | std::transform(pointers.begin(), pointers.end(), results.get(), [](T* pointer) -> jlong { | |
2247 | return reinterpret_cast<jlong>(pointer); | |
2248 | }); | |
2249 | ||
2250 | jlongArray jpointers = env->NewLongArray(len); | |
2251 | if (jpointers == nullptr) { | |
2252 | // exception thrown: OutOfMemoryError | |
2253 | *has_exception = JNI_TRUE; | |
2254 | return nullptr; | |
2255 | } | |
2256 | ||
2257 | env->SetLongArrayRegion(jpointers, 0, len, results.get()); | |
2258 | if (env->ExceptionCheck()) { | |
2259 | // exception thrown: ArrayIndexOutOfBoundsException | |
2260 | *has_exception = JNI_TRUE; | |
2261 | env->DeleteLocalRef(jpointers); | |
2262 | return nullptr; | |
2263 | } | |
2264 | ||
2265 | *has_exception = JNI_FALSE; | |
2266 | ||
2267 | return jpointers; | |
2268 | } | |
2269 | ||
2270 | /* | |
2271 | * Helper for operations on a key and value | |
2272 | * for example WriteBatch->Put | |
2273 | * | |
2274 | * TODO(AR) could be extended to cover returning ROCKSDB_NAMESPACE::Status | |
2275 | * from `op` and used for RocksDB->Put etc. | |
2276 | */ | |
2277 | static void kv_op_direct(std::function<void(ROCKSDB_NAMESPACE::Slice&, | |
2278 | ROCKSDB_NAMESPACE::Slice&)> | |
2279 | op, | |
2280 | JNIEnv* env, jobject jkey, jint jkey_off, | |
2281 | jint jkey_len, jobject jval, jint jval_off, | |
2282 | jint jval_len) { | |
2283 | char* key = reinterpret_cast<char*>(env->GetDirectBufferAddress(jkey)); | |
2284 | if (key == nullptr || | |
2285 | env->GetDirectBufferCapacity(jkey) < (jkey_off + jkey_len)) { | |
2286 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew( | |
2287 | env, "Invalid key argument"); | |
2288 | return; | |
2289 | } | |
2290 | ||
2291 | char* value = reinterpret_cast<char*>(env->GetDirectBufferAddress(jval)); | |
2292 | if (value == nullptr || | |
2293 | env->GetDirectBufferCapacity(jval) < (jval_off + jval_len)) { | |
2294 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew( | |
2295 | env, "Invalid value argument"); | |
2296 | return; | |
2297 | } | |
2298 | ||
2299 | key += jkey_off; | |
2300 | value += jval_off; | |
2301 | ||
2302 | ROCKSDB_NAMESPACE::Slice key_slice(key, jkey_len); | |
2303 | ROCKSDB_NAMESPACE::Slice value_slice(value, jval_len); | |
2304 | ||
2305 | op(key_slice, value_slice); | |
2306 | } | |
2307 | ||
2308 | /* | |
2309 | * Helper for operations on a key and value | |
2310 | * for example WriteBatch->Delete | |
2311 | * | |
2312 | * TODO(AR) could be extended to cover returning ROCKSDB_NAMESPACE::Status | |
2313 | * from `op` and used for RocksDB->Delete etc. | |
2314 | */ | |
2315 | static void k_op_direct(std::function<void(ROCKSDB_NAMESPACE::Slice&)> op, | |
2316 | JNIEnv* env, jobject jkey, jint jkey_off, | |
2317 | jint jkey_len) { | |
2318 | char* key = reinterpret_cast<char*>(env->GetDirectBufferAddress(jkey)); | |
2319 | if (key == nullptr || | |
2320 | env->GetDirectBufferCapacity(jkey) < (jkey_off + jkey_len)) { | |
2321 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew( | |
2322 | env, "Invalid key argument"); | |
2323 | return; | |
2324 | } | |
2325 | ||
2326 | key += jkey_off; | |
2327 | ||
2328 | ROCKSDB_NAMESPACE::Slice key_slice(key, jkey_len); | |
2329 | ||
2330 | return op(key_slice); | |
2331 | } | |
2332 | ||
2333 | template <class T> | |
2334 | static jint copyToDirect(JNIEnv* env, T& source, jobject jtarget, | |
2335 | jint jtarget_off, jint jtarget_len) { | |
2336 | char* target = | |
2337 | reinterpret_cast<char*>(env->GetDirectBufferAddress(jtarget)); | |
2338 | if (target == nullptr || | |
2339 | env->GetDirectBufferCapacity(jtarget) < (jtarget_off + jtarget_len)) { | |
2340 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew( | |
2341 | env, "Invalid target argument"); | |
2342 | return 0; | |
2343 | } | |
2344 | ||
2345 | target += jtarget_off; | |
2346 | ||
2347 | const jint cvalue_len = static_cast<jint>(source.size()); | |
2348 | const jint length = std::min(jtarget_len, cvalue_len); | |
2349 | ||
2350 | memcpy(target, source.data(), length); | |
2351 | ||
2352 | return cvalue_len; | |
2353 | } | |
2354 | }; | |
2355 | ||
2356 | class MapJni : public JavaClass { | |
2357 | public: | |
2358 | /** | |
2359 | * Get the Java Class java.util.Map | |
2360 | * | |
2361 | * @param env A pointer to the Java environment | |
2362 | * | |
2363 | * @return The Java Class or nullptr if one of the | |
2364 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2365 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2366 | */ | |
2367 | static jclass getJClass(JNIEnv* env) { | |
2368 | return JavaClass::getJClass(env, "java/util/Map"); | |
2369 | } | |
2370 | ||
2371 | /** | |
2372 | * Get the Java Method: Map#put | |
2373 | * | |
2374 | * @param env A pointer to the Java environment | |
2375 | * | |
2376 | * @return The Java Method ID or nullptr if the class or method id could not | |
2377 | * be retrieved | |
2378 | */ | |
2379 | static jmethodID getMapPutMethodId(JNIEnv* env) { | |
2380 | jclass jlist_clazz = getJClass(env); | |
2381 | if(jlist_clazz == nullptr) { | |
2382 | // exception occurred accessing class | |
2383 | return nullptr; | |
2384 | } | |
2385 | ||
2386 | static jmethodID mid = | |
2387 | env->GetMethodID(jlist_clazz, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); | |
2388 | assert(mid != nullptr); | |
2389 | return mid; | |
2390 | } | |
2391 | }; | |
2392 | ||
2393 | class HashMapJni : public JavaClass { | |
2394 | public: | |
2395 | /** | |
2396 | * Get the Java Class java.util.HashMap | |
2397 | * | |
2398 | * @param env A pointer to the Java environment | |
2399 | * | |
2400 | * @return The Java Class or nullptr if one of the | |
2401 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2402 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2403 | */ | |
2404 | static jclass getJClass(JNIEnv* env) { | |
2405 | return JavaClass::getJClass(env, "java/util/HashMap"); | |
2406 | } | |
2407 | ||
2408 | /** | |
2409 | * Create a new Java java.util.HashMap object. | |
2410 | * | |
2411 | * @param env A pointer to the Java environment | |
2412 | * | |
2413 | * @return A reference to a Java java.util.HashMap object, or | |
2414 | * nullptr if an an exception occurs | |
2415 | */ | |
2416 | static jobject construct(JNIEnv* env, const uint32_t initial_capacity = 16) { | |
2417 | jclass jclazz = getJClass(env); | |
2418 | if (jclazz == nullptr) { | |
2419 | // exception occurred accessing class | |
2420 | return nullptr; | |
2421 | } | |
2422 | ||
2423 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(I)V"); | |
2424 | if (mid == nullptr) { | |
2425 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
2426 | return nullptr; | |
2427 | } | |
2428 | ||
2429 | jobject jhash_map = env->NewObject(jclazz, mid, static_cast<jint>(initial_capacity)); | |
2430 | if (env->ExceptionCheck()) { | |
2431 | return nullptr; | |
2432 | } | |
2433 | ||
2434 | return jhash_map; | |
2435 | } | |
2436 | ||
2437 | /** | |
2438 | * A function which maps a std::pair<K,V> to a std::pair<JK, JV> | |
2439 | * | |
2440 | * @return Either a pointer to a std::pair<jobject, jobject>, or nullptr | |
2441 | * if an error occurs during the mapping | |
2442 | */ | |
2443 | template <typename K, typename V, typename JK, typename JV> | |
2444 | using FnMapKV = std::function<std::unique_ptr<std::pair<JK, JV>> (const std::pair<K, V>&)>; | |
2445 | ||
2446 | // template <class I, typename K, typename V, typename K1, typename V1, typename std::enable_if<std::is_same<typename std::iterator_traits<I>::value_type, std::pair<const K,V>>::value, int32_t>::type = 0> | |
2447 | // static void putAll(JNIEnv* env, const jobject jhash_map, I iterator, const FnMapKV<const K,V,K1,V1> &fn_map_kv) { | |
2448 | /** | |
2449 | * Returns true if it succeeds, false if an error occurs | |
2450 | */ | |
2451 | template<class iterator_type, typename K, typename V> | |
2452 | static bool putAll(JNIEnv* env, const jobject jhash_map, iterator_type iterator, iterator_type end, const FnMapKV<K, V, jobject, jobject> &fn_map_kv) { | |
2453 | const jmethodID jmid_put = | |
2454 | ROCKSDB_NAMESPACE::MapJni::getMapPutMethodId(env); | |
2455 | if (jmid_put == nullptr) { | |
2456 | return false; | |
2457 | } | |
2458 | ||
2459 | for (auto it = iterator; it != end; ++it) { | |
2460 | const std::unique_ptr<std::pair<jobject, jobject>> result = fn_map_kv(*it); | |
2461 | if (result == nullptr) { | |
2462 | // an error occurred during fn_map_kv | |
2463 | return false; | |
2464 | } | |
2465 | env->CallObjectMethod(jhash_map, jmid_put, result->first, result->second); | |
2466 | if (env->ExceptionCheck()) { | |
2467 | // exception occurred | |
2468 | env->DeleteLocalRef(result->second); | |
2469 | env->DeleteLocalRef(result->first); | |
2470 | return false; | |
2471 | } | |
2472 | ||
2473 | // release local references | |
2474 | env->DeleteLocalRef(result->second); | |
2475 | env->DeleteLocalRef(result->first); | |
2476 | } | |
2477 | ||
2478 | return true; | |
2479 | } | |
2480 | ||
2481 | /** | |
2482 | * Creates a java.util.Map<String, String> from a std::map<std::string, std::string> | |
2483 | * | |
2484 | * @param env A pointer to the Java environment | |
2485 | * @param map the Cpp map | |
2486 | * | |
2487 | * @return a reference to the Java java.util.Map object, or nullptr if an exception occcurred | |
2488 | */ | |
2489 | static jobject fromCppMap(JNIEnv* env, const std::map<std::string, std::string>* map) { | |
2490 | if (map == nullptr) { | |
2491 | return nullptr; | |
2492 | } | |
2493 | ||
2494 | jobject jhash_map = construct(env, static_cast<uint32_t>(map->size())); | |
2495 | if (jhash_map == nullptr) { | |
2496 | // exception occurred | |
2497 | return nullptr; | |
2498 | } | |
2499 | ||
2500 | const ROCKSDB_NAMESPACE::HashMapJni::FnMapKV< | |
2501 | const std::string, const std::string, jobject, jobject> | |
2502 | fn_map_kv = | |
2503 | [env](const std::pair<const std::string, const std::string>& kv) { | |
2504 | jstring jkey = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
2505 | env, &(kv.first), false); | |
2506 | if (env->ExceptionCheck()) { | |
2507 | // an error occurred | |
2508 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2509 | } | |
2510 | ||
2511 | jstring jvalue = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
2512 | env, &(kv.second), true); | |
2513 | if (env->ExceptionCheck()) { | |
2514 | // an error occurred | |
2515 | env->DeleteLocalRef(jkey); | |
2516 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2517 | } | |
2518 | ||
2519 | return std::unique_ptr<std::pair<jobject, jobject>>( | |
2520 | new std::pair<jobject, jobject>( | |
2521 | static_cast<jobject>(jkey), | |
2522 | static_cast<jobject>(jvalue))); | |
2523 | }; | |
2524 | ||
2525 | if (!putAll(env, jhash_map, map->begin(), map->end(), fn_map_kv)) { | |
2526 | // exception occurred | |
2527 | return nullptr; | |
2528 | } | |
2529 | ||
2530 | return jhash_map; | |
2531 | } | |
2532 | ||
2533 | /** | |
2534 | * Creates a java.util.Map<String, Long> from a std::map<std::string, uint32_t> | |
2535 | * | |
2536 | * @param env A pointer to the Java environment | |
2537 | * @param map the Cpp map | |
2538 | * | |
2539 | * @return a reference to the Java java.util.Map object, or nullptr if an exception occcurred | |
2540 | */ | |
2541 | static jobject fromCppMap(JNIEnv* env, const std::map<std::string, uint32_t>* map) { | |
2542 | if (map == nullptr) { | |
2543 | return nullptr; | |
2544 | } | |
2545 | ||
2546 | if (map == nullptr) { | |
2547 | return nullptr; | |
2548 | } | |
2549 | ||
2550 | jobject jhash_map = construct(env, static_cast<uint32_t>(map->size())); | |
2551 | if (jhash_map == nullptr) { | |
2552 | // exception occurred | |
2553 | return nullptr; | |
2554 | } | |
2555 | ||
2556 | const ROCKSDB_NAMESPACE::HashMapJni::FnMapKV< | |
2557 | const std::string, const uint32_t, jobject, jobject> | |
2558 | fn_map_kv = | |
2559 | [env](const std::pair<const std::string, const uint32_t>& kv) { | |
2560 | jstring jkey = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
2561 | env, &(kv.first), false); | |
2562 | if (env->ExceptionCheck()) { | |
2563 | // an error occurred | |
2564 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2565 | } | |
2566 | ||
2567 | jobject jvalue = ROCKSDB_NAMESPACE::IntegerJni::valueOf( | |
2568 | env, static_cast<jint>(kv.second)); | |
2569 | if (env->ExceptionCheck()) { | |
2570 | // an error occurred | |
2571 | env->DeleteLocalRef(jkey); | |
2572 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2573 | } | |
2574 | ||
2575 | return std::unique_ptr<std::pair<jobject, jobject>>( | |
2576 | new std::pair<jobject, jobject>(static_cast<jobject>(jkey), | |
2577 | jvalue)); | |
2578 | }; | |
2579 | ||
2580 | if (!putAll(env, jhash_map, map->begin(), map->end(), fn_map_kv)) { | |
2581 | // exception occurred | |
2582 | return nullptr; | |
2583 | } | |
2584 | ||
2585 | return jhash_map; | |
2586 | } | |
2587 | ||
2588 | /** | |
2589 | * Creates a java.util.Map<String, Long> from a std::map<std::string, uint64_t> | |
2590 | * | |
2591 | * @param env A pointer to the Java environment | |
2592 | * @param map the Cpp map | |
2593 | * | |
2594 | * @return a reference to the Java java.util.Map object, or nullptr if an exception occcurred | |
2595 | */ | |
2596 | static jobject fromCppMap(JNIEnv* env, const std::map<std::string, uint64_t>* map) { | |
2597 | if (map == nullptr) { | |
2598 | return nullptr; | |
2599 | } | |
2600 | ||
2601 | jobject jhash_map = construct(env, static_cast<uint32_t>(map->size())); | |
2602 | if (jhash_map == nullptr) { | |
2603 | // exception occurred | |
2604 | return nullptr; | |
2605 | } | |
2606 | ||
2607 | const ROCKSDB_NAMESPACE::HashMapJni::FnMapKV< | |
2608 | const std::string, const uint64_t, jobject, jobject> | |
2609 | fn_map_kv = | |
2610 | [env](const std::pair<const std::string, const uint64_t>& kv) { | |
2611 | jstring jkey = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
2612 | env, &(kv.first), false); | |
2613 | if (env->ExceptionCheck()) { | |
2614 | // an error occurred | |
2615 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2616 | } | |
2617 | ||
2618 | jobject jvalue = ROCKSDB_NAMESPACE::LongJni::valueOf( | |
2619 | env, static_cast<jlong>(kv.second)); | |
2620 | if (env->ExceptionCheck()) { | |
2621 | // an error occurred | |
2622 | env->DeleteLocalRef(jkey); | |
2623 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2624 | } | |
2625 | ||
2626 | return std::unique_ptr<std::pair<jobject, jobject>>( | |
2627 | new std::pair<jobject, jobject>(static_cast<jobject>(jkey), | |
2628 | jvalue)); | |
2629 | }; | |
2630 | ||
2631 | if (!putAll(env, jhash_map, map->begin(), map->end(), fn_map_kv)) { | |
2632 | // exception occurred | |
2633 | return nullptr; | |
2634 | } | |
2635 | ||
2636 | return jhash_map; | |
2637 | } | |
2638 | ||
2639 | /** | |
2640 | * Creates a java.util.Map<String, Long> from a std::map<uint32_t, uint64_t> | |
2641 | * | |
2642 | * @param env A pointer to the Java environment | |
2643 | * @param map the Cpp map | |
2644 | * | |
2645 | * @return a reference to the Java java.util.Map object, or nullptr if an exception occcurred | |
2646 | */ | |
2647 | static jobject fromCppMap(JNIEnv* env, const std::map<uint32_t, uint64_t>* map) { | |
2648 | if (map == nullptr) { | |
2649 | return nullptr; | |
2650 | } | |
2651 | ||
2652 | jobject jhash_map = construct(env, static_cast<uint32_t>(map->size())); | |
2653 | if (jhash_map == nullptr) { | |
2654 | // exception occurred | |
2655 | return nullptr; | |
2656 | } | |
2657 | ||
2658 | const ROCKSDB_NAMESPACE::HashMapJni::FnMapKV<const uint32_t, const uint64_t, | |
2659 | jobject, jobject> | |
2660 | fn_map_kv = [env](const std::pair<const uint32_t, const uint64_t>& kv) { | |
2661 | jobject jkey = ROCKSDB_NAMESPACE::IntegerJni::valueOf( | |
2662 | env, static_cast<jint>(kv.first)); | |
2663 | if (env->ExceptionCheck()) { | |
2664 | // an error occurred | |
2665 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2666 | } | |
2667 | ||
2668 | jobject jvalue = ROCKSDB_NAMESPACE::LongJni::valueOf( | |
2669 | env, static_cast<jlong>(kv.second)); | |
2670 | if (env->ExceptionCheck()) { | |
2671 | // an error occurred | |
2672 | env->DeleteLocalRef(jkey); | |
2673 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
2674 | } | |
2675 | ||
2676 | return std::unique_ptr<std::pair<jobject, jobject>>( | |
2677 | new std::pair<jobject, jobject>(static_cast<jobject>(jkey), | |
2678 | jvalue)); | |
2679 | }; | |
2680 | ||
2681 | if (!putAll(env, jhash_map, map->begin(), map->end(), fn_map_kv)) { | |
2682 | // exception occurred | |
2683 | return nullptr; | |
2684 | } | |
2685 | ||
2686 | return jhash_map; | |
2687 | } | |
2688 | }; | |
2689 | ||
2690 | // The portal class for org.rocksdb.RocksDB | |
2691 | class RocksDBJni | |
2692 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::DB*, RocksDBJni> { | |
2693 | public: | |
2694 | /** | |
2695 | * Get the Java Class org.rocksdb.RocksDB | |
2696 | * | |
2697 | * @param env A pointer to the Java environment | |
2698 | * | |
2699 | * @return The Java Class or nullptr if one of the | |
2700 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2701 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2702 | */ | |
2703 | static jclass getJClass(JNIEnv* env) { | |
2704 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/RocksDB"); | |
2705 | } | |
2706 | }; | |
2707 | ||
2708 | // The portal class for org.rocksdb.Options | |
2709 | class OptionsJni | |
2710 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::Options*, OptionsJni> { | |
2711 | public: | |
2712 | /** | |
2713 | * Get the Java Class org.rocksdb.Options | |
2714 | * | |
2715 | * @param env A pointer to the Java environment | |
2716 | * | |
2717 | * @return The Java Class or nullptr if one of the | |
2718 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2719 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2720 | */ | |
2721 | static jclass getJClass(JNIEnv* env) { | |
2722 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/Options"); | |
2723 | } | |
2724 | }; | |
2725 | ||
2726 | // The portal class for org.rocksdb.DBOptions | |
2727 | class DBOptionsJni | |
2728 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::DBOptions*, DBOptionsJni> { | |
2729 | public: | |
2730 | /** | |
2731 | * Get the Java Class org.rocksdb.DBOptions | |
2732 | * | |
2733 | * @param env A pointer to the Java environment | |
2734 | * | |
2735 | * @return The Java Class or nullptr if one of the | |
2736 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2737 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2738 | */ | |
2739 | static jclass getJClass(JNIEnv* env) { | |
2740 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/DBOptions"); | |
2741 | } | |
2742 | }; | |
2743 | ||
2744 | // The portal class for org.rocksdb.ColumnFamilyOptions | |
2745 | class ColumnFamilyOptionsJni | |
2746 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::ColumnFamilyOptions*, | |
2747 | ColumnFamilyOptionsJni> { | |
2748 | public: | |
2749 | /** | |
2750 | * Get the Java Class org.rocksdb.ColumnFamilyOptions | |
2751 | * | |
2752 | * @param env A pointer to the Java environment | |
2753 | * | |
2754 | * @return The Java Class or nullptr if one of the | |
2755 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2756 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2757 | */ | |
2758 | static jclass getJClass(JNIEnv* env) { | |
2759 | return RocksDBNativeClass::getJClass(env, | |
2760 | "org/rocksdb/ColumnFamilyOptions"); | |
2761 | } | |
2762 | ||
2763 | /** | |
2764 | * Create a new Java org.rocksdb.ColumnFamilyOptions object with the same | |
2765 | * properties as the provided C++ ROCKSDB_NAMESPACE::ColumnFamilyOptions | |
2766 | * object | |
2767 | * | |
2768 | * @param env A pointer to the Java environment | |
2769 | * @param cfoptions A pointer to ROCKSDB_NAMESPACE::ColumnFamilyOptions object | |
2770 | * | |
2771 | * @return A reference to a Java org.rocksdb.ColumnFamilyOptions object, or | |
2772 | * nullptr if an an exception occurs | |
2773 | */ | |
2774 | static jobject construct(JNIEnv* env, const ColumnFamilyOptions* cfoptions) { | |
2775 | auto* cfo = new ROCKSDB_NAMESPACE::ColumnFamilyOptions(*cfoptions); | |
2776 | jclass jclazz = getJClass(env); | |
2777 | if(jclazz == nullptr) { | |
2778 | // exception occurred accessing class | |
2779 | return nullptr; | |
2780 | } | |
2781 | ||
2782 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(J)V"); | |
2783 | if (mid == nullptr) { | |
2784 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
2785 | return nullptr; | |
2786 | } | |
2787 | ||
2788 | jobject jcfd = env->NewObject(jclazz, mid, reinterpret_cast<jlong>(cfo)); | |
2789 | if (env->ExceptionCheck()) { | |
2790 | return nullptr; | |
2791 | } | |
2792 | ||
2793 | return jcfd; | |
2794 | } | |
2795 | }; | |
2796 | ||
2797 | // The portal class for org.rocksdb.WriteOptions | |
2798 | class WriteOptionsJni | |
2799 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::WriteOptions*, | |
2800 | WriteOptionsJni> { | |
2801 | public: | |
2802 | /** | |
2803 | * Get the Java Class org.rocksdb.WriteOptions | |
2804 | * | |
2805 | * @param env A pointer to the Java environment | |
2806 | * | |
2807 | * @return The Java Class or nullptr if one of the | |
2808 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2809 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2810 | */ | |
2811 | static jclass getJClass(JNIEnv* env) { | |
2812 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/WriteOptions"); | |
2813 | } | |
2814 | }; | |
2815 | ||
2816 | // The portal class for org.rocksdb.ReadOptions | |
2817 | class ReadOptionsJni | |
2818 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::ReadOptions*, | |
2819 | ReadOptionsJni> { | |
2820 | public: | |
2821 | /** | |
2822 | * Get the Java Class org.rocksdb.ReadOptions | |
2823 | * | |
2824 | * @param env A pointer to the Java environment | |
2825 | * | |
2826 | * @return The Java Class or nullptr if one of the | |
2827 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2828 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2829 | */ | |
2830 | static jclass getJClass(JNIEnv* env) { | |
2831 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/ReadOptions"); | |
2832 | } | |
2833 | }; | |
2834 | ||
2835 | // The portal class for org.rocksdb.WriteBatch | |
2836 | class WriteBatchJni | |
2837 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::WriteBatch*, WriteBatchJni> { | |
2838 | public: | |
2839 | /** | |
2840 | * Get the Java Class org.rocksdb.WriteBatch | |
2841 | * | |
2842 | * @param env A pointer to the Java environment | |
2843 | * | |
2844 | * @return The Java Class or nullptr if one of the | |
2845 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2846 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2847 | */ | |
2848 | static jclass getJClass(JNIEnv* env) { | |
2849 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/WriteBatch"); | |
2850 | } | |
2851 | ||
2852 | /** | |
2853 | * Create a new Java org.rocksdb.WriteBatch object | |
2854 | * | |
2855 | * @param env A pointer to the Java environment | |
2856 | * @param wb A pointer to ROCKSDB_NAMESPACE::WriteBatch object | |
2857 | * | |
2858 | * @return A reference to a Java org.rocksdb.WriteBatch object, or | |
2859 | * nullptr if an an exception occurs | |
2860 | */ | |
2861 | static jobject construct(JNIEnv* env, const WriteBatch* wb) { | |
2862 | jclass jclazz = getJClass(env); | |
2863 | if(jclazz == nullptr) { | |
2864 | // exception occurred accessing class | |
2865 | return nullptr; | |
2866 | } | |
2867 | ||
2868 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(J)V"); | |
2869 | if (mid == nullptr) { | |
2870 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
2871 | return nullptr; | |
2872 | } | |
2873 | ||
2874 | jobject jwb = env->NewObject(jclazz, mid, reinterpret_cast<jlong>(wb)); | |
2875 | if (env->ExceptionCheck()) { | |
2876 | return nullptr; | |
2877 | } | |
2878 | ||
2879 | return jwb; | |
2880 | } | |
2881 | }; | |
2882 | ||
2883 | // The portal class for org.rocksdb.WriteBatch.Handler | |
2884 | class WriteBatchHandlerJni | |
2885 | : public RocksDBNativeClass< | |
2886 | const ROCKSDB_NAMESPACE::WriteBatchHandlerJniCallback*, | |
2887 | WriteBatchHandlerJni> { | |
2888 | public: | |
2889 | /** | |
2890 | * Get the Java Class org.rocksdb.WriteBatch.Handler | |
2891 | * | |
2892 | * @param env A pointer to the Java environment | |
2893 | * | |
2894 | * @return The Java Class or nullptr if one of the | |
2895 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
2896 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
2897 | */ | |
2898 | static jclass getJClass(JNIEnv* env) { | |
2899 | return RocksDBNativeClass::getJClass(env, | |
2900 | "org/rocksdb/WriteBatch$Handler"); | |
2901 | } | |
2902 | ||
2903 | /** | |
2904 | * Get the Java Method: WriteBatch.Handler#put | |
2905 | * | |
2906 | * @param env A pointer to the Java environment | |
2907 | * | |
2908 | * @return The Java Method ID or nullptr if the class or method id could not | |
2909 | * be retrieved | |
2910 | */ | |
2911 | static jmethodID getPutCfMethodId(JNIEnv* env) { | |
2912 | jclass jclazz = getJClass(env); | |
2913 | if(jclazz == nullptr) { | |
2914 | // exception occurred accessing class | |
2915 | return nullptr; | |
2916 | } | |
2917 | ||
2918 | static jmethodID mid = env->GetMethodID(jclazz, "put", "(I[B[B)V"); | |
2919 | assert(mid != nullptr); | |
2920 | return mid; | |
2921 | } | |
2922 | ||
2923 | /** | |
2924 | * Get the Java Method: WriteBatch.Handler#put | |
2925 | * | |
2926 | * @param env A pointer to the Java environment | |
2927 | * | |
2928 | * @return The Java Method ID or nullptr if the class or method id could not | |
2929 | * be retrieved | |
2930 | */ | |
2931 | static jmethodID getPutMethodId(JNIEnv* env) { | |
2932 | jclass jclazz = getJClass(env); | |
2933 | if(jclazz == nullptr) { | |
2934 | // exception occurred accessing class | |
2935 | return nullptr; | |
2936 | } | |
2937 | ||
2938 | static jmethodID mid = env->GetMethodID(jclazz, "put", "([B[B)V"); | |
2939 | assert(mid != nullptr); | |
2940 | return mid; | |
2941 | } | |
2942 | ||
2943 | /** | |
2944 | * Get the Java Method: WriteBatch.Handler#merge | |
2945 | * | |
2946 | * @param env A pointer to the Java environment | |
2947 | * | |
2948 | * @return The Java Method ID or nullptr if the class or method id could not | |
2949 | * be retrieved | |
2950 | */ | |
2951 | static jmethodID getMergeCfMethodId(JNIEnv* env) { | |
2952 | jclass jclazz = getJClass(env); | |
2953 | if(jclazz == nullptr) { | |
2954 | // exception occurred accessing class | |
2955 | return nullptr; | |
2956 | } | |
2957 | ||
2958 | static jmethodID mid = env->GetMethodID(jclazz, "merge", "(I[B[B)V"); | |
2959 | assert(mid != nullptr); | |
2960 | return mid; | |
2961 | } | |
2962 | ||
2963 | /** | |
2964 | * Get the Java Method: WriteBatch.Handler#merge | |
2965 | * | |
2966 | * @param env A pointer to the Java environment | |
2967 | * | |
2968 | * @return The Java Method ID or nullptr if the class or method id could not | |
2969 | * be retrieved | |
2970 | */ | |
2971 | static jmethodID getMergeMethodId(JNIEnv* env) { | |
2972 | jclass jclazz = getJClass(env); | |
2973 | if(jclazz == nullptr) { | |
2974 | // exception occurred accessing class | |
2975 | return nullptr; | |
2976 | } | |
2977 | ||
2978 | static jmethodID mid = env->GetMethodID(jclazz, "merge", "([B[B)V"); | |
2979 | assert(mid != nullptr); | |
2980 | return mid; | |
2981 | } | |
2982 | ||
2983 | /** | |
2984 | * Get the Java Method: WriteBatch.Handler#delete | |
2985 | * | |
2986 | * @param env A pointer to the Java environment | |
2987 | * | |
2988 | * @return The Java Method ID or nullptr if the class or method id could not | |
2989 | * be retrieved | |
2990 | */ | |
2991 | static jmethodID getDeleteCfMethodId(JNIEnv* env) { | |
2992 | jclass jclazz = getJClass(env); | |
2993 | if(jclazz == nullptr) { | |
2994 | // exception occurred accessing class | |
2995 | return nullptr; | |
2996 | } | |
2997 | ||
2998 | static jmethodID mid = env->GetMethodID(jclazz, "delete", "(I[B)V"); | |
2999 | assert(mid != nullptr); | |
3000 | return mid; | |
3001 | } | |
3002 | ||
3003 | /** | |
3004 | * Get the Java Method: WriteBatch.Handler#delete | |
3005 | * | |
3006 | * @param env A pointer to the Java environment | |
3007 | * | |
3008 | * @return The Java Method ID or nullptr if the class or method id could not | |
3009 | * be retrieved | |
3010 | */ | |
3011 | static jmethodID getDeleteMethodId(JNIEnv* env) { | |
3012 | jclass jclazz = getJClass(env); | |
3013 | if(jclazz == nullptr) { | |
3014 | // exception occurred accessing class | |
3015 | return nullptr; | |
3016 | } | |
3017 | ||
3018 | static jmethodID mid = env->GetMethodID(jclazz, "delete", "([B)V"); | |
3019 | assert(mid != nullptr); | |
3020 | return mid; | |
3021 | } | |
3022 | ||
3023 | /** | |
3024 | * Get the Java Method: WriteBatch.Handler#singleDelete | |
3025 | * | |
3026 | * @param env A pointer to the Java environment | |
3027 | * | |
3028 | * @return The Java Method ID or nullptr if the class or method id could not | |
3029 | * be retrieved | |
3030 | */ | |
3031 | static jmethodID getSingleDeleteCfMethodId(JNIEnv* env) { | |
3032 | jclass jclazz = getJClass(env); | |
3033 | if(jclazz == nullptr) { | |
3034 | // exception occurred accessing class | |
3035 | return nullptr; | |
3036 | } | |
3037 | ||
3038 | static jmethodID mid = env->GetMethodID(jclazz, "singleDelete", "(I[B)V"); | |
3039 | assert(mid != nullptr); | |
3040 | return mid; | |
3041 | } | |
3042 | ||
3043 | /** | |
3044 | * Get the Java Method: WriteBatch.Handler#singleDelete | |
3045 | * | |
3046 | * @param env A pointer to the Java environment | |
3047 | * | |
3048 | * @return The Java Method ID or nullptr if the class or method id could not | |
3049 | * be retrieved | |
3050 | */ | |
3051 | static jmethodID getSingleDeleteMethodId(JNIEnv* env) { | |
3052 | jclass jclazz = getJClass(env); | |
3053 | if(jclazz == nullptr) { | |
3054 | // exception occurred accessing class | |
3055 | return nullptr; | |
3056 | } | |
3057 | ||
3058 | static jmethodID mid = env->GetMethodID(jclazz, "singleDelete", "([B)V"); | |
3059 | assert(mid != nullptr); | |
3060 | return mid; | |
3061 | } | |
3062 | ||
3063 | /** | |
3064 | * Get the Java Method: WriteBatch.Handler#deleteRange | |
3065 | * | |
3066 | * @param env A pointer to the Java environment | |
3067 | * | |
3068 | * @return The Java Method ID or nullptr if the class or method id could not | |
3069 | * be retrieved | |
3070 | */ | |
3071 | static jmethodID getDeleteRangeCfMethodId(JNIEnv* env) { | |
3072 | jclass jclazz = getJClass(env); | |
3073 | if (jclazz == nullptr) { | |
3074 | // exception occurred accessing class | |
3075 | return nullptr; | |
3076 | } | |
3077 | ||
3078 | static jmethodID mid = env->GetMethodID(jclazz, "deleteRange", "(I[B[B)V"); | |
3079 | assert(mid != nullptr); | |
3080 | return mid; | |
3081 | } | |
3082 | ||
3083 | /** | |
3084 | * Get the Java Method: WriteBatch.Handler#deleteRange | |
3085 | * | |
3086 | * @param env A pointer to the Java environment | |
3087 | * | |
3088 | * @return The Java Method ID or nullptr if the class or method id could not | |
3089 | * be retrieved | |
3090 | */ | |
3091 | static jmethodID getDeleteRangeMethodId(JNIEnv* env) { | |
3092 | jclass jclazz = getJClass(env); | |
3093 | if (jclazz == nullptr) { | |
3094 | // exception occurred accessing class | |
3095 | return nullptr; | |
3096 | } | |
3097 | ||
3098 | static jmethodID mid = env->GetMethodID(jclazz, "deleteRange", "([B[B)V"); | |
3099 | assert(mid != nullptr); | |
3100 | return mid; | |
3101 | } | |
3102 | ||
3103 | /** | |
3104 | * Get the Java Method: WriteBatch.Handler#logData | |
3105 | * | |
3106 | * @param env A pointer to the Java environment | |
3107 | * | |
3108 | * @return The Java Method ID or nullptr if the class or method id could not | |
3109 | * be retrieved | |
3110 | */ | |
3111 | static jmethodID getLogDataMethodId(JNIEnv* env) { | |
3112 | jclass jclazz = getJClass(env); | |
3113 | if(jclazz == nullptr) { | |
3114 | // exception occurred accessing class | |
3115 | return nullptr; | |
3116 | } | |
3117 | ||
3118 | static jmethodID mid = env->GetMethodID(jclazz, "logData", "([B)V"); | |
3119 | assert(mid != nullptr); | |
3120 | return mid; | |
3121 | } | |
3122 | ||
3123 | /** | |
3124 | * Get the Java Method: WriteBatch.Handler#putBlobIndex | |
3125 | * | |
3126 | * @param env A pointer to the Java environment | |
3127 | * | |
3128 | * @return The Java Method ID or nullptr if the class or method id could not | |
3129 | * be retrieved | |
3130 | */ | |
3131 | static jmethodID getPutBlobIndexCfMethodId(JNIEnv* env) { | |
3132 | jclass jclazz = getJClass(env); | |
3133 | if(jclazz == nullptr) { | |
3134 | // exception occurred accessing class | |
3135 | return nullptr; | |
3136 | } | |
3137 | ||
3138 | static jmethodID mid = env->GetMethodID(jclazz, "putBlobIndex", "(I[B[B)V"); | |
3139 | assert(mid != nullptr); | |
3140 | return mid; | |
3141 | } | |
3142 | ||
3143 | /** | |
3144 | * Get the Java Method: WriteBatch.Handler#markBeginPrepare | |
3145 | * | |
3146 | * @param env A pointer to the Java environment | |
3147 | * | |
3148 | * @return The Java Method ID or nullptr if the class or method id could not | |
3149 | * be retrieved | |
3150 | */ | |
3151 | static jmethodID getMarkBeginPrepareMethodId(JNIEnv* env) { | |
3152 | jclass jclazz = getJClass(env); | |
3153 | if(jclazz == nullptr) { | |
3154 | // exception occurred accessing class | |
3155 | return nullptr; | |
3156 | } | |
3157 | ||
3158 | static jmethodID mid = env->GetMethodID(jclazz, "markBeginPrepare", "()V"); | |
3159 | assert(mid != nullptr); | |
3160 | return mid; | |
3161 | } | |
3162 | ||
3163 | /** | |
3164 | * Get the Java Method: WriteBatch.Handler#markEndPrepare | |
3165 | * | |
3166 | * @param env A pointer to the Java environment | |
3167 | * | |
3168 | * @return The Java Method ID or nullptr if the class or method id could not | |
3169 | * be retrieved | |
3170 | */ | |
3171 | static jmethodID getMarkEndPrepareMethodId(JNIEnv* env) { | |
3172 | jclass jclazz = getJClass(env); | |
3173 | if(jclazz == nullptr) { | |
3174 | // exception occurred accessing class | |
3175 | return nullptr; | |
3176 | } | |
3177 | ||
3178 | static jmethodID mid = env->GetMethodID(jclazz, "markEndPrepare", "([B)V"); | |
3179 | assert(mid != nullptr); | |
3180 | return mid; | |
3181 | } | |
3182 | ||
3183 | /** | |
3184 | * Get the Java Method: WriteBatch.Handler#markNoop | |
3185 | * | |
3186 | * @param env A pointer to the Java environment | |
3187 | * | |
3188 | * @return The Java Method ID or nullptr if the class or method id could not | |
3189 | * be retrieved | |
3190 | */ | |
3191 | static jmethodID getMarkNoopMethodId(JNIEnv* env) { | |
3192 | jclass jclazz = getJClass(env); | |
3193 | if(jclazz == nullptr) { | |
3194 | // exception occurred accessing class | |
3195 | return nullptr; | |
3196 | } | |
3197 | ||
3198 | static jmethodID mid = env->GetMethodID(jclazz, "markNoop", "(Z)V"); | |
3199 | assert(mid != nullptr); | |
3200 | return mid; | |
3201 | } | |
3202 | ||
3203 | /** | |
3204 | * Get the Java Method: WriteBatch.Handler#markRollback | |
3205 | * | |
3206 | * @param env A pointer to the Java environment | |
3207 | * | |
3208 | * @return The Java Method ID or nullptr if the class or method id could not | |
3209 | * be retrieved | |
3210 | */ | |
3211 | static jmethodID getMarkRollbackMethodId(JNIEnv* env) { | |
3212 | jclass jclazz = getJClass(env); | |
3213 | if(jclazz == nullptr) { | |
3214 | // exception occurred accessing class | |
3215 | return nullptr; | |
3216 | } | |
3217 | ||
3218 | static jmethodID mid = env->GetMethodID(jclazz, "markRollback", "([B)V"); | |
3219 | assert(mid != nullptr); | |
3220 | return mid; | |
3221 | } | |
3222 | ||
3223 | /** | |
3224 | * Get the Java Method: WriteBatch.Handler#markCommit | |
3225 | * | |
3226 | * @param env A pointer to the Java environment | |
3227 | * | |
3228 | * @return The Java Method ID or nullptr if the class or method id could not | |
3229 | * be retrieved | |
3230 | */ | |
3231 | static jmethodID getMarkCommitMethodId(JNIEnv* env) { | |
3232 | jclass jclazz = getJClass(env); | |
3233 | if(jclazz == nullptr) { | |
3234 | // exception occurred accessing class | |
3235 | return nullptr; | |
3236 | } | |
3237 | ||
3238 | static jmethodID mid = env->GetMethodID(jclazz, "markCommit", "([B)V"); | |
3239 | assert(mid != nullptr); | |
3240 | return mid; | |
3241 | } | |
3242 | ||
3243 | /** | |
3244 | * Get the Java Method: WriteBatch.Handler#shouldContinue | |
3245 | * | |
3246 | * @param env A pointer to the Java environment | |
3247 | * | |
3248 | * @return The Java Method ID or nullptr if the class or method id could not | |
3249 | * be retrieved | |
3250 | */ | |
3251 | static jmethodID getContinueMethodId(JNIEnv* env) { | |
3252 | jclass jclazz = getJClass(env); | |
3253 | if(jclazz == nullptr) { | |
3254 | // exception occurred accessing class | |
3255 | return nullptr; | |
3256 | } | |
3257 | ||
3258 | static jmethodID mid = env->GetMethodID(jclazz, "shouldContinue", "()Z"); | |
3259 | assert(mid != nullptr); | |
3260 | return mid; | |
3261 | } | |
3262 | }; | |
3263 | ||
3264 | class WriteBatchSavePointJni : public JavaClass { | |
3265 | public: | |
3266 | /** | |
3267 | * Get the Java Class org.rocksdb.WriteBatch.SavePoint | |
3268 | * | |
3269 | * @param env A pointer to the Java environment | |
3270 | * | |
3271 | * @return The Java Class or nullptr if one of the | |
3272 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3273 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3274 | */ | |
3275 | static jclass getJClass(JNIEnv* env) { | |
3276 | return JavaClass::getJClass(env, "org/rocksdb/WriteBatch$SavePoint"); | |
3277 | } | |
3278 | ||
3279 | /** | |
3280 | * Get the Java Method: HistogramData constructor | |
3281 | * | |
3282 | * @param env A pointer to the Java environment | |
3283 | * | |
3284 | * @return The Java Method ID or nullptr if the class or method id could not | |
3285 | * be retrieved | |
3286 | */ | |
3287 | static jmethodID getConstructorMethodId(JNIEnv* env) { | |
3288 | jclass jclazz = getJClass(env); | |
3289 | if(jclazz == nullptr) { | |
3290 | // exception occurred accessing class | |
3291 | return nullptr; | |
3292 | } | |
3293 | ||
3294 | static jmethodID mid = env->GetMethodID(jclazz, "<init>", "(JJJ)V"); | |
3295 | assert(mid != nullptr); | |
3296 | return mid; | |
3297 | } | |
3298 | ||
3299 | /** | |
3300 | * Create a new Java org.rocksdb.WriteBatch.SavePoint object | |
3301 | * | |
3302 | * @param env A pointer to the Java environment | |
3303 | * @param savePoint A pointer to ROCKSDB_NAMESPACE::WriteBatch::SavePoint | |
3304 | * object | |
3305 | * | |
3306 | * @return A reference to a Java org.rocksdb.WriteBatch.SavePoint object, or | |
3307 | * nullptr if an an exception occurs | |
3308 | */ | |
3309 | static jobject construct(JNIEnv* env, const SavePoint &save_point) { | |
3310 | jclass jclazz = getJClass(env); | |
3311 | if(jclazz == nullptr) { | |
3312 | // exception occurred accessing class | |
3313 | return nullptr; | |
3314 | } | |
3315 | ||
3316 | jmethodID mid = getConstructorMethodId(env); | |
3317 | if (mid == nullptr) { | |
3318 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
3319 | return nullptr; | |
3320 | } | |
3321 | ||
3322 | jobject jsave_point = env->NewObject(jclazz, mid, | |
3323 | static_cast<jlong>(save_point.size), | |
3324 | static_cast<jlong>(save_point.count), | |
3325 | static_cast<jlong>(save_point.content_flags)); | |
3326 | if (env->ExceptionCheck()) { | |
3327 | return nullptr; | |
3328 | } | |
3329 | ||
3330 | return jsave_point; | |
3331 | } | |
3332 | }; | |
3333 | ||
3334 | // The portal class for org.rocksdb.WriteBatchWithIndex | |
3335 | class WriteBatchWithIndexJni | |
3336 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::WriteBatchWithIndex*, | |
3337 | WriteBatchWithIndexJni> { | |
3338 | public: | |
3339 | /** | |
3340 | * Get the Java Class org.rocksdb.WriteBatchWithIndex | |
3341 | * | |
3342 | * @param env A pointer to the Java environment | |
3343 | * | |
3344 | * @return The Java Class or nullptr if one of the | |
3345 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3346 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3347 | */ | |
3348 | static jclass getJClass(JNIEnv* env) { | |
3349 | return RocksDBNativeClass::getJClass(env, | |
3350 | "org/rocksdb/WriteBatchWithIndex"); | |
3351 | } | |
3352 | }; | |
3353 | ||
3354 | // The portal class for org.rocksdb.HistogramData | |
3355 | class HistogramDataJni : public JavaClass { | |
3356 | public: | |
3357 | /** | |
3358 | * Get the Java Class org.rocksdb.HistogramData | |
3359 | * | |
3360 | * @param env A pointer to the Java environment | |
3361 | * | |
3362 | * @return The Java Class or nullptr if one of the | |
3363 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3364 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3365 | */ | |
3366 | static jclass getJClass(JNIEnv* env) { | |
3367 | return JavaClass::getJClass(env, "org/rocksdb/HistogramData"); | |
3368 | } | |
3369 | ||
3370 | /** | |
3371 | * Get the Java Method: HistogramData constructor | |
3372 | * | |
3373 | * @param env A pointer to the Java environment | |
3374 | * | |
3375 | * @return The Java Method ID or nullptr if the class or method id could not | |
3376 | * be retrieved | |
3377 | */ | |
3378 | static jmethodID getConstructorMethodId(JNIEnv* env) { | |
3379 | jclass jclazz = getJClass(env); | |
3380 | if(jclazz == nullptr) { | |
3381 | // exception occurred accessing class | |
3382 | return nullptr; | |
3383 | } | |
3384 | ||
3385 | static jmethodID mid = env->GetMethodID(jclazz, "<init>", "(DDDDDDJJD)V"); | |
3386 | assert(mid != nullptr); | |
3387 | return mid; | |
3388 | } | |
3389 | }; | |
3390 | ||
3391 | // The portal class for org.rocksdb.BackupableDBOptions | |
3392 | class BackupableDBOptionsJni | |
3393 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::BackupableDBOptions*, | |
3394 | BackupableDBOptionsJni> { | |
3395 | public: | |
3396 | /** | |
3397 | * Get the Java Class org.rocksdb.BackupableDBOptions | |
3398 | * | |
3399 | * @param env A pointer to the Java environment | |
3400 | * | |
3401 | * @return The Java Class or nullptr if one of the | |
3402 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3403 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3404 | */ | |
3405 | static jclass getJClass(JNIEnv* env) { | |
3406 | return RocksDBNativeClass::getJClass(env, | |
3407 | "org/rocksdb/BackupableDBOptions"); | |
3408 | } | |
3409 | }; | |
3410 | ||
3411 | // The portal class for org.rocksdb.BackupEngine | |
3412 | class BackupEngineJni | |
3413 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::BackupEngine*, | |
3414 | BackupEngineJni> { | |
3415 | public: | |
3416 | /** | |
3417 | * Get the Java Class org.rocksdb.BackupableEngine | |
3418 | * | |
3419 | * @param env A pointer to the Java environment | |
3420 | * | |
3421 | * @return The Java Class or nullptr if one of the | |
3422 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3423 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3424 | */ | |
3425 | static jclass getJClass(JNIEnv* env) { | |
3426 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/BackupEngine"); | |
3427 | } | |
3428 | }; | |
3429 | ||
3430 | // The portal class for org.rocksdb.RocksIterator | |
3431 | class IteratorJni | |
3432 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::Iterator*, IteratorJni> { | |
3433 | public: | |
3434 | /** | |
3435 | * Get the Java Class org.rocksdb.RocksIterator | |
3436 | * | |
3437 | * @param env A pointer to the Java environment | |
3438 | * | |
3439 | * @return The Java Class or nullptr if one of the | |
3440 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3441 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3442 | */ | |
3443 | static jclass getJClass(JNIEnv* env) { | |
3444 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/RocksIterator"); | |
3445 | } | |
3446 | }; | |
3447 | ||
3448 | // The portal class for org.rocksdb.Filter | |
3449 | class FilterJni | |
3450 | : public RocksDBNativeClass< | |
3451 | std::shared_ptr<ROCKSDB_NAMESPACE::FilterPolicy>*, FilterJni> { | |
3452 | public: | |
3453 | /** | |
3454 | * Get the Java Class org.rocksdb.Filter | |
3455 | * | |
3456 | * @param env A pointer to the Java environment | |
3457 | * | |
3458 | * @return The Java Class or nullptr if one of the | |
3459 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3460 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3461 | */ | |
3462 | static jclass getJClass(JNIEnv* env) { | |
3463 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/Filter"); | |
3464 | } | |
3465 | }; | |
3466 | ||
3467 | // The portal class for org.rocksdb.ColumnFamilyHandle | |
3468 | class ColumnFamilyHandleJni | |
3469 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::ColumnFamilyHandle*, | |
3470 | ColumnFamilyHandleJni> { | |
3471 | public: | |
3472 | static jobject fromCppColumnFamilyHandle( | |
3473 | JNIEnv* env, const ROCKSDB_NAMESPACE::ColumnFamilyHandle* info) { | |
3474 | jclass jclazz = getJClass(env); | |
3475 | assert(jclazz != nullptr); | |
3476 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
3477 | assert(ctor != nullptr); | |
3478 | return env->NewObject(jclazz, ctor, reinterpret_cast<jlong>(info)); | |
3479 | } | |
3480 | ||
3481 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
3482 | return env->GetMethodID(clazz, "<init>", "(J)V"); | |
3483 | } | |
3484 | ||
3485 | /** | |
3486 | * Get the Java Class org.rocksdb.ColumnFamilyHandle | |
3487 | * | |
3488 | * @param env A pointer to the Java environment | |
3489 | * | |
3490 | * @return The Java Class or nullptr if one of the | |
3491 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3492 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3493 | */ | |
3494 | static jclass getJClass(JNIEnv* env) { | |
3495 | return RocksDBNativeClass::getJClass(env, | |
3496 | "org/rocksdb/ColumnFamilyHandle"); | |
3497 | } | |
3498 | }; | |
3499 | ||
3500 | // The portal class for org.rocksdb.FlushOptions | |
3501 | class FlushOptionsJni | |
3502 | : public RocksDBNativeClass<ROCKSDB_NAMESPACE::FlushOptions*, | |
3503 | FlushOptionsJni> { | |
3504 | public: | |
3505 | /** | |
3506 | * Get the Java Class org.rocksdb.FlushOptions | |
3507 | * | |
3508 | * @param env A pointer to the Java environment | |
3509 | * | |
3510 | * @return The Java Class or nullptr if one of the | |
3511 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3512 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3513 | */ | |
3514 | static jclass getJClass(JNIEnv* env) { | |
3515 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/FlushOptions"); | |
3516 | } | |
3517 | }; | |
3518 | ||
3519 | // The portal class for org.rocksdb.ComparatorOptions | |
3520 | class ComparatorOptionsJni | |
3521 | : public RocksDBNativeClass< | |
3522 | ROCKSDB_NAMESPACE::ComparatorJniCallbackOptions*, | |
3523 | ComparatorOptionsJni> { | |
3524 | public: | |
3525 | /** | |
3526 | * Get the Java Class org.rocksdb.ComparatorOptions | |
3527 | * | |
3528 | * @param env A pointer to the Java environment | |
3529 | * | |
3530 | * @return The Java Class or nullptr if one of the | |
3531 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3532 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3533 | */ | |
3534 | static jclass getJClass(JNIEnv* env) { | |
3535 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/ComparatorOptions"); | |
3536 | } | |
3537 | }; | |
3538 | ||
3539 | // The portal class for org.rocksdb.AbstractCompactionFilterFactory | |
3540 | class AbstractCompactionFilterFactoryJni | |
3541 | : public RocksDBNativeClass< | |
3542 | const ROCKSDB_NAMESPACE::CompactionFilterFactoryJniCallback*, | |
3543 | AbstractCompactionFilterFactoryJni> { | |
3544 | public: | |
3545 | /** | |
3546 | * Get the Java Class org.rocksdb.AbstractCompactionFilterFactory | |
3547 | * | |
3548 | * @param env A pointer to the Java environment | |
3549 | * | |
3550 | * @return The Java Class or nullptr if one of the | |
3551 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3552 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3553 | */ | |
3554 | static jclass getJClass(JNIEnv* env) { | |
3555 | return RocksDBNativeClass::getJClass(env, | |
3556 | "org/rocksdb/AbstractCompactionFilterFactory"); | |
3557 | } | |
3558 | ||
3559 | /** | |
3560 | * Get the Java Method: AbstractCompactionFilterFactory#name | |
3561 | * | |
3562 | * @param env A pointer to the Java environment | |
3563 | * | |
3564 | * @return The Java Method ID or nullptr if the class or method id could not | |
3565 | * be retrieved | |
3566 | */ | |
3567 | static jmethodID getNameMethodId(JNIEnv* env) { | |
3568 | jclass jclazz = getJClass(env); | |
3569 | if(jclazz == nullptr) { | |
3570 | // exception occurred accessing class | |
3571 | return nullptr; | |
3572 | } | |
3573 | ||
3574 | static jmethodID mid = env->GetMethodID( | |
3575 | jclazz, "name", "()Ljava/lang/String;"); | |
3576 | assert(mid != nullptr); | |
3577 | return mid; | |
3578 | } | |
3579 | ||
3580 | /** | |
3581 | * Get the Java Method: AbstractCompactionFilterFactory#createCompactionFilter | |
3582 | * | |
3583 | * @param env A pointer to the Java environment | |
3584 | * | |
3585 | * @return The Java Method ID or nullptr if the class or method id could not | |
3586 | * be retrieved | |
3587 | */ | |
3588 | static jmethodID getCreateCompactionFilterMethodId(JNIEnv* env) { | |
3589 | jclass jclazz = getJClass(env); | |
3590 | if(jclazz == nullptr) { | |
3591 | // exception occurred accessing class | |
3592 | return nullptr; | |
3593 | } | |
3594 | ||
3595 | static jmethodID mid = env->GetMethodID(jclazz, | |
3596 | "createCompactionFilter", | |
3597 | "(ZZ)J"); | |
3598 | assert(mid != nullptr); | |
3599 | return mid; | |
3600 | } | |
3601 | }; | |
3602 | ||
3603 | // The portal class for org.rocksdb.AbstractTransactionNotifier | |
3604 | class AbstractTransactionNotifierJni | |
3605 | : public RocksDBNativeClass< | |
3606 | const ROCKSDB_NAMESPACE::TransactionNotifierJniCallback*, | |
3607 | AbstractTransactionNotifierJni> { | |
3608 | public: | |
3609 | static jclass getJClass(JNIEnv* env) { | |
3610 | return RocksDBNativeClass::getJClass(env, | |
3611 | "org/rocksdb/AbstractTransactionNotifier"); | |
3612 | } | |
3613 | ||
3614 | // Get the java method `snapshotCreated` | |
3615 | // of org.rocksdb.AbstractTransactionNotifier. | |
3616 | static jmethodID getSnapshotCreatedMethodId(JNIEnv* env) { | |
3617 | jclass jclazz = getJClass(env); | |
3618 | if(jclazz == nullptr) { | |
3619 | // exception occurred accessing class | |
3620 | return nullptr; | |
3621 | } | |
3622 | ||
3623 | static jmethodID mid = env->GetMethodID(jclazz, "snapshotCreated", "(J)V"); | |
3624 | assert(mid != nullptr); | |
3625 | return mid; | |
3626 | } | |
3627 | }; | |
3628 | ||
3629 | // The portal class for org.rocksdb.AbstractComparatorJniBridge | |
3630 | class AbstractComparatorJniBridge : public JavaClass { | |
3631 | public: | |
3632 | /** | |
3633 | * Get the Java Class org.rocksdb.AbstractComparatorJniBridge | |
3634 | * | |
3635 | * @param env A pointer to the Java environment | |
3636 | * | |
3637 | * @return The Java Class or nullptr if one of the | |
3638 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3639 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3640 | */ | |
3641 | static jclass getJClass(JNIEnv* env) { | |
3642 | return JavaClass::getJClass(env, | |
3643 | "org/rocksdb/AbstractComparatorJniBridge"); | |
3644 | } | |
3645 | ||
3646 | /** | |
3647 | * Get the Java Method: Comparator#compareInternal | |
3648 | * | |
3649 | * @param env A pointer to the Java environment | |
3650 | * @param jclazz the AbstractComparatorJniBridge class | |
3651 | * | |
3652 | * @return The Java Method ID or nullptr if the class or method id could not | |
3653 | * be retrieved | |
3654 | */ | |
3655 | static jmethodID getCompareInternalMethodId(JNIEnv* env, jclass jclazz) { | |
3656 | static jmethodID mid = | |
3657 | env->GetStaticMethodID(jclazz, "compareInternal", | |
3658 | "(Lorg/rocksdb/AbstractComparator;Ljava/nio/ByteBuffer;ILjava/nio/ByteBuffer;I)I"); | |
3659 | assert(mid != nullptr); | |
3660 | return mid; | |
3661 | } | |
3662 | ||
3663 | /** | |
3664 | * Get the Java Method: Comparator#findShortestSeparatorInternal | |
3665 | * | |
3666 | * @param env A pointer to the Java environment | |
3667 | * @param jclazz the AbstractComparatorJniBridge class | |
3668 | * | |
3669 | * @return The Java Method ID or nullptr if the class or method id could not | |
3670 | * be retrieved | |
3671 | */ | |
3672 | static jmethodID getFindShortestSeparatorInternalMethodId(JNIEnv* env, jclass jclazz) { | |
3673 | static jmethodID mid = | |
3674 | env->GetStaticMethodID(jclazz, "findShortestSeparatorInternal", | |
3675 | "(Lorg/rocksdb/AbstractComparator;Ljava/nio/ByteBuffer;ILjava/nio/ByteBuffer;I)I"); | |
3676 | assert(mid != nullptr); | |
3677 | return mid; | |
3678 | } | |
3679 | ||
3680 | /** | |
3681 | * Get the Java Method: Comparator#findShortSuccessorInternal | |
3682 | * | |
3683 | * @param env A pointer to the Java environment | |
3684 | * @param jclazz the AbstractComparatorJniBridge class | |
3685 | * | |
3686 | * @return The Java Method ID or nullptr if the class or method id could not | |
3687 | * be retrieved | |
3688 | */ | |
3689 | static jmethodID getFindShortSuccessorInternalMethodId(JNIEnv* env, jclass jclazz) { | |
3690 | static jmethodID mid = | |
3691 | env->GetStaticMethodID(jclazz, "findShortSuccessorInternal", | |
3692 | "(Lorg/rocksdb/AbstractComparator;Ljava/nio/ByteBuffer;I)I"); | |
3693 | assert(mid != nullptr); | |
3694 | return mid; | |
3695 | } | |
3696 | }; | |
3697 | ||
3698 | // The portal class for org.rocksdb.AbstractComparator | |
3699 | class AbstractComparatorJni | |
3700 | : public RocksDBNativeClass<const ROCKSDB_NAMESPACE::ComparatorJniCallback*, | |
3701 | AbstractComparatorJni> { | |
3702 | public: | |
3703 | /** | |
3704 | * Get the Java Class org.rocksdb.AbstractComparator | |
3705 | * | |
3706 | * @param env A pointer to the Java environment | |
3707 | * | |
3708 | * @return The Java Class or nullptr if one of the | |
3709 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3710 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3711 | */ | |
3712 | static jclass getJClass(JNIEnv* env) { | |
3713 | return RocksDBNativeClass::getJClass(env, | |
3714 | "org/rocksdb/AbstractComparator"); | |
3715 | } | |
3716 | ||
3717 | /** | |
3718 | * Get the Java Method: Comparator#name | |
3719 | * | |
3720 | * @param env A pointer to the Java environment | |
3721 | * | |
3722 | * @return The Java Method ID or nullptr if the class or method id could not | |
3723 | * be retrieved | |
3724 | */ | |
3725 | static jmethodID getNameMethodId(JNIEnv* env) { | |
3726 | jclass jclazz = getJClass(env); | |
3727 | if(jclazz == nullptr) { | |
3728 | // exception occurred accessing class | |
3729 | return nullptr; | |
3730 | } | |
3731 | ||
3732 | static jmethodID mid = | |
3733 | env->GetMethodID(jclazz, "name", "()Ljava/lang/String;"); | |
3734 | assert(mid != nullptr); | |
3735 | return mid; | |
3736 | } | |
3737 | }; | |
3738 | ||
3739 | // The portal class for org.rocksdb.AbstractSlice | |
3740 | class AbstractSliceJni | |
3741 | : public NativeRocksMutableObject<const ROCKSDB_NAMESPACE::Slice*, | |
3742 | AbstractSliceJni> { | |
3743 | public: | |
3744 | /** | |
3745 | * Get the Java Class org.rocksdb.AbstractSlice | |
3746 | * | |
3747 | * @param env A pointer to the Java environment | |
3748 | * | |
3749 | * @return The Java Class or nullptr if one of the | |
3750 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3751 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3752 | */ | |
3753 | static jclass getJClass(JNIEnv* env) { | |
3754 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/AbstractSlice"); | |
3755 | } | |
3756 | }; | |
3757 | ||
3758 | // The portal class for org.rocksdb.Slice | |
3759 | class SliceJni | |
3760 | : public NativeRocksMutableObject<const ROCKSDB_NAMESPACE::Slice*, | |
3761 | AbstractSliceJni> { | |
3762 | public: | |
3763 | /** | |
3764 | * Get the Java Class org.rocksdb.Slice | |
3765 | * | |
3766 | * @param env A pointer to the Java environment | |
3767 | * | |
3768 | * @return The Java Class or nullptr if one of the | |
3769 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3770 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3771 | */ | |
3772 | static jclass getJClass(JNIEnv* env) { | |
3773 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/Slice"); | |
3774 | } | |
3775 | ||
3776 | /** | |
3777 | * Constructs a Slice object | |
3778 | * | |
3779 | * @param env A pointer to the Java environment | |
3780 | * | |
3781 | * @return A reference to a Java Slice object, or a nullptr if an | |
3782 | * exception occurs | |
3783 | */ | |
3784 | static jobject construct0(JNIEnv* env) { | |
3785 | jclass jclazz = getJClass(env); | |
3786 | if(jclazz == nullptr) { | |
3787 | // exception occurred accessing class | |
3788 | return nullptr; | |
3789 | } | |
3790 | ||
3791 | static jmethodID mid = env->GetMethodID(jclazz, "<init>", "()V"); | |
3792 | if(mid == nullptr) { | |
3793 | // exception occurred accessing method | |
3794 | return nullptr; | |
3795 | } | |
3796 | ||
3797 | jobject jslice = env->NewObject(jclazz, mid); | |
3798 | if(env->ExceptionCheck()) { | |
3799 | return nullptr; | |
3800 | } | |
3801 | ||
3802 | return jslice; | |
3803 | } | |
3804 | }; | |
3805 | ||
3806 | // The portal class for org.rocksdb.DirectSlice | |
3807 | class DirectSliceJni | |
3808 | : public NativeRocksMutableObject<const ROCKSDB_NAMESPACE::Slice*, | |
3809 | AbstractSliceJni> { | |
3810 | public: | |
3811 | /** | |
3812 | * Get the Java Class org.rocksdb.DirectSlice | |
3813 | * | |
3814 | * @param env A pointer to the Java environment | |
3815 | * | |
3816 | * @return The Java Class or nullptr if one of the | |
3817 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3818 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3819 | */ | |
3820 | static jclass getJClass(JNIEnv* env) { | |
3821 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/DirectSlice"); | |
3822 | } | |
3823 | ||
3824 | /** | |
3825 | * Constructs a DirectSlice object | |
3826 | * | |
3827 | * @param env A pointer to the Java environment | |
3828 | * | |
3829 | * @return A reference to a Java DirectSlice object, or a nullptr if an | |
3830 | * exception occurs | |
3831 | */ | |
3832 | static jobject construct0(JNIEnv* env) { | |
3833 | jclass jclazz = getJClass(env); | |
3834 | if(jclazz == nullptr) { | |
3835 | // exception occurred accessing class | |
3836 | return nullptr; | |
3837 | } | |
3838 | ||
3839 | static jmethodID mid = env->GetMethodID(jclazz, "<init>", "()V"); | |
3840 | if(mid == nullptr) { | |
3841 | // exception occurred accessing method | |
3842 | return nullptr; | |
3843 | } | |
3844 | ||
3845 | jobject jdirect_slice = env->NewObject(jclazz, mid); | |
3846 | if(env->ExceptionCheck()) { | |
3847 | return nullptr; | |
3848 | } | |
3849 | ||
3850 | return jdirect_slice; | |
3851 | } | |
3852 | }; | |
3853 | ||
3854 | // The portal class for org.rocksdb.BackupInfo | |
3855 | class BackupInfoJni : public JavaClass { | |
3856 | public: | |
3857 | /** | |
3858 | * Get the Java Class org.rocksdb.BackupInfo | |
3859 | * | |
3860 | * @param env A pointer to the Java environment | |
3861 | * | |
3862 | * @return The Java Class or nullptr if one of the | |
3863 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
3864 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
3865 | */ | |
3866 | static jclass getJClass(JNIEnv* env) { | |
3867 | return JavaClass::getJClass(env, "org/rocksdb/BackupInfo"); | |
3868 | } | |
3869 | ||
3870 | /** | |
3871 | * Constructs a BackupInfo object | |
3872 | * | |
3873 | * @param env A pointer to the Java environment | |
3874 | * @param backup_id id of the backup | |
3875 | * @param timestamp timestamp of the backup | |
3876 | * @param size size of the backup | |
3877 | * @param number_files number of files related to the backup | |
3878 | * @param app_metadata application specific metadata | |
3879 | * | |
3880 | * @return A reference to a Java BackupInfo object, or a nullptr if an | |
3881 | * exception occurs | |
3882 | */ | |
3883 | static jobject construct0(JNIEnv* env, uint32_t backup_id, int64_t timestamp, | |
3884 | uint64_t size, uint32_t number_files, | |
3885 | const std::string& app_metadata) { | |
3886 | jclass jclazz = getJClass(env); | |
3887 | if(jclazz == nullptr) { | |
3888 | // exception occurred accessing class | |
3889 | return nullptr; | |
3890 | } | |
3891 | ||
3892 | static jmethodID mid = | |
3893 | env->GetMethodID(jclazz, "<init>", "(IJJILjava/lang/String;)V"); | |
3894 | if(mid == nullptr) { | |
3895 | // exception occurred accessing method | |
3896 | return nullptr; | |
3897 | } | |
3898 | ||
3899 | jstring japp_metadata = nullptr; | |
3900 | if (app_metadata != nullptr) { | |
3901 | japp_metadata = env->NewStringUTF(app_metadata.c_str()); | |
3902 | if (japp_metadata == nullptr) { | |
3903 | // exception occurred creating java string | |
3904 | return nullptr; | |
3905 | } | |
3906 | } | |
3907 | ||
3908 | jobject jbackup_info = env->NewObject(jclazz, mid, backup_id, timestamp, | |
3909 | size, number_files, japp_metadata); | |
3910 | if(env->ExceptionCheck()) { | |
3911 | env->DeleteLocalRef(japp_metadata); | |
3912 | return nullptr; | |
3913 | } | |
3914 | ||
3915 | return jbackup_info; | |
3916 | } | |
3917 | }; | |
3918 | ||
3919 | class BackupInfoListJni { | |
3920 | public: | |
3921 | /** | |
3922 | * Converts a C++ std::vector<BackupInfo> object to | |
3923 | * a Java ArrayList<org.rocksdb.BackupInfo> object | |
3924 | * | |
3925 | * @param env A pointer to the Java environment | |
3926 | * @param backup_infos A vector of BackupInfo | |
3927 | * | |
3928 | * @return Either a reference to a Java ArrayList object, or a nullptr | |
3929 | * if an exception occurs | |
3930 | */ | |
3931 | static jobject getBackupInfo(JNIEnv* env, | |
3932 | std::vector<BackupInfo> backup_infos) { | |
3933 | jclass jarray_list_clazz = | |
3934 | ROCKSDB_NAMESPACE::ListJni::getArrayListClass(env); | |
3935 | if(jarray_list_clazz == nullptr) { | |
3936 | // exception occurred accessing class | |
3937 | return nullptr; | |
3938 | } | |
3939 | ||
3940 | jmethodID cstr_mid = | |
3941 | ROCKSDB_NAMESPACE::ListJni::getArrayListConstructorMethodId(env); | |
3942 | if(cstr_mid == nullptr) { | |
3943 | // exception occurred accessing method | |
3944 | return nullptr; | |
3945 | } | |
3946 | ||
3947 | jmethodID add_mid = ROCKSDB_NAMESPACE::ListJni::getListAddMethodId(env); | |
3948 | if(add_mid == nullptr) { | |
3949 | // exception occurred accessing method | |
3950 | return nullptr; | |
3951 | } | |
3952 | ||
3953 | // create java list | |
3954 | jobject jbackup_info_handle_list = | |
3955 | env->NewObject(jarray_list_clazz, cstr_mid, backup_infos.size()); | |
3956 | if(env->ExceptionCheck()) { | |
3957 | // exception occurred constructing object | |
3958 | return nullptr; | |
3959 | } | |
3960 | ||
3961 | // insert in java list | |
3962 | auto end = backup_infos.end(); | |
3963 | for (auto it = backup_infos.begin(); it != end; ++it) { | |
3964 | auto backup_info = *it; | |
3965 | ||
3966 | jobject obj = ROCKSDB_NAMESPACE::BackupInfoJni::construct0( | |
3967 | env, backup_info.backup_id, backup_info.timestamp, backup_info.size, | |
3968 | backup_info.number_files, backup_info.app_metadata); | |
3969 | if(env->ExceptionCheck()) { | |
3970 | // exception occurred constructing object | |
3971 | if(obj != nullptr) { | |
3972 | env->DeleteLocalRef(obj); | |
3973 | } | |
3974 | if(jbackup_info_handle_list != nullptr) { | |
3975 | env->DeleteLocalRef(jbackup_info_handle_list); | |
3976 | } | |
3977 | return nullptr; | |
3978 | } | |
3979 | ||
3980 | jboolean rs = | |
3981 | env->CallBooleanMethod(jbackup_info_handle_list, add_mid, obj); | |
3982 | if(env->ExceptionCheck() || rs == JNI_FALSE) { | |
3983 | // exception occurred calling method, or could not add | |
3984 | if(obj != nullptr) { | |
3985 | env->DeleteLocalRef(obj); | |
3986 | } | |
3987 | if(jbackup_info_handle_list != nullptr) { | |
3988 | env->DeleteLocalRef(jbackup_info_handle_list); | |
3989 | } | |
3990 | return nullptr; | |
3991 | } | |
3992 | } | |
3993 | ||
3994 | return jbackup_info_handle_list; | |
3995 | } | |
3996 | }; | |
3997 | ||
3998 | // The portal class for org.rocksdb.WBWIRocksIterator | |
3999 | class WBWIRocksIteratorJni : public JavaClass { | |
4000 | public: | |
4001 | /** | |
4002 | * Get the Java Class org.rocksdb.WBWIRocksIterator | |
4003 | * | |
4004 | * @param env A pointer to the Java environment | |
4005 | * | |
4006 | * @return The Java Class or nullptr if one of the | |
4007 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
4008 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
4009 | */ | |
4010 | static jclass getJClass(JNIEnv* env) { | |
4011 | return JavaClass::getJClass(env, "org/rocksdb/WBWIRocksIterator"); | |
4012 | } | |
4013 | ||
4014 | /** | |
4015 | * Get the Java Field: WBWIRocksIterator#entry | |
4016 | * | |
4017 | * @param env A pointer to the Java environment | |
4018 | * | |
4019 | * @return The Java Field ID or nullptr if the class or field id could not | |
4020 | * be retrieved | |
4021 | */ | |
4022 | static jfieldID getWriteEntryField(JNIEnv* env) { | |
4023 | jclass jclazz = getJClass(env); | |
4024 | if(jclazz == nullptr) { | |
4025 | // exception occurred accessing class | |
4026 | return nullptr; | |
4027 | } | |
4028 | ||
4029 | static jfieldID fid = | |
4030 | env->GetFieldID(jclazz, "entry", | |
4031 | "Lorg/rocksdb/WBWIRocksIterator$WriteEntry;"); | |
4032 | assert(fid != nullptr); | |
4033 | return fid; | |
4034 | } | |
4035 | ||
4036 | /** | |
4037 | * Gets the value of the WBWIRocksIterator#entry | |
4038 | * | |
4039 | * @param env A pointer to the Java environment | |
4040 | * @param jwbwi_rocks_iterator A reference to a WBWIIterator | |
4041 | * | |
4042 | * @return A reference to a Java WBWIRocksIterator.WriteEntry object, or | |
4043 | * a nullptr if an exception occurs | |
4044 | */ | |
4045 | static jobject getWriteEntry(JNIEnv* env, jobject jwbwi_rocks_iterator) { | |
4046 | assert(jwbwi_rocks_iterator != nullptr); | |
4047 | ||
4048 | jfieldID jwrite_entry_field = getWriteEntryField(env); | |
4049 | if(jwrite_entry_field == nullptr) { | |
4050 | // exception occurred accessing the field | |
4051 | return nullptr; | |
4052 | } | |
4053 | ||
4054 | jobject jwe = env->GetObjectField(jwbwi_rocks_iterator, jwrite_entry_field); | |
4055 | assert(jwe != nullptr); | |
4056 | return jwe; | |
4057 | } | |
4058 | }; | |
4059 | ||
4060 | // The portal class for org.rocksdb.WBWIRocksIterator.WriteType | |
4061 | class WriteTypeJni : public JavaClass { | |
4062 | public: | |
4063 | /** | |
4064 | * Get the PUT enum field value of WBWIRocksIterator.WriteType | |
4065 | * | |
4066 | * @param env A pointer to the Java environment | |
4067 | * | |
4068 | * @return A reference to the enum field value or a nullptr if | |
4069 | * the enum field value could not be retrieved | |
4070 | */ | |
4071 | static jobject PUT(JNIEnv* env) { | |
4072 | return getEnum(env, "PUT"); | |
4073 | } | |
4074 | ||
4075 | /** | |
4076 | * Get the MERGE enum field value of WBWIRocksIterator.WriteType | |
4077 | * | |
4078 | * @param env A pointer to the Java environment | |
4079 | * | |
4080 | * @return A reference to the enum field value or a nullptr if | |
4081 | * the enum field value could not be retrieved | |
4082 | */ | |
4083 | static jobject MERGE(JNIEnv* env) { | |
4084 | return getEnum(env, "MERGE"); | |
4085 | } | |
4086 | ||
4087 | /** | |
4088 | * Get the DELETE enum field value of WBWIRocksIterator.WriteType | |
4089 | * | |
4090 | * @param env A pointer to the Java environment | |
4091 | * | |
4092 | * @return A reference to the enum field value or a nullptr if | |
4093 | * the enum field value could not be retrieved | |
4094 | */ | |
4095 | static jobject DELETE(JNIEnv* env) { | |
4096 | return getEnum(env, "DELETE"); | |
4097 | } | |
4098 | ||
4099 | /** | |
4100 | * Get the LOG enum field value of WBWIRocksIterator.WriteType | |
4101 | * | |
4102 | * @param env A pointer to the Java environment | |
4103 | * | |
4104 | * @return A reference to the enum field value or a nullptr if | |
4105 | * the enum field value could not be retrieved | |
4106 | */ | |
4107 | static jobject LOG(JNIEnv* env) { | |
4108 | return getEnum(env, "LOG"); | |
4109 | } | |
4110 | ||
4111 | // Returns the equivalent org.rocksdb.WBWIRocksIterator.WriteType for the | |
4112 | // provided C++ ROCKSDB_NAMESPACE::WriteType enum | |
4113 | static jbyte toJavaWriteType(const ROCKSDB_NAMESPACE::WriteType& writeType) { | |
4114 | switch (writeType) { | |
4115 | case ROCKSDB_NAMESPACE::WriteType::kPutRecord: | |
4116 | return 0x0; | |
4117 | case ROCKSDB_NAMESPACE::WriteType::kMergeRecord: | |
4118 | return 0x1; | |
4119 | case ROCKSDB_NAMESPACE::WriteType::kDeleteRecord: | |
4120 | return 0x2; | |
4121 | case ROCKSDB_NAMESPACE::WriteType::kSingleDeleteRecord: | |
4122 | return 0x3; | |
4123 | case ROCKSDB_NAMESPACE::WriteType::kDeleteRangeRecord: | |
4124 | return 0x4; | |
4125 | case ROCKSDB_NAMESPACE::WriteType::kLogDataRecord: | |
4126 | return 0x5; | |
4127 | case ROCKSDB_NAMESPACE::WriteType::kXIDRecord: | |
4128 | return 0x6; | |
4129 | default: | |
4130 | return 0x7F; // undefined | |
4131 | } | |
4132 | } | |
4133 | ||
4134 | private: | |
4135 | /** | |
4136 | * Get the Java Class org.rocksdb.WBWIRocksIterator.WriteType | |
4137 | * | |
4138 | * @param env A pointer to the Java environment | |
4139 | * | |
4140 | * @return The Java Class or nullptr if one of the | |
4141 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
4142 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
4143 | */ | |
4144 | static jclass getJClass(JNIEnv* env) { | |
4145 | return JavaClass::getJClass(env, "org/rocksdb/WBWIRocksIterator$WriteType"); | |
4146 | } | |
4147 | ||
4148 | /** | |
4149 | * Get an enum field of org.rocksdb.WBWIRocksIterator.WriteType | |
4150 | * | |
4151 | * @param env A pointer to the Java environment | |
4152 | * @param name The name of the enum field | |
4153 | * | |
4154 | * @return A reference to the enum field value or a nullptr if | |
4155 | * the enum field value could not be retrieved | |
4156 | */ | |
4157 | static jobject getEnum(JNIEnv* env, const char name[]) { | |
4158 | jclass jclazz = getJClass(env); | |
4159 | if(jclazz == nullptr) { | |
4160 | // exception occurred accessing class | |
4161 | return nullptr; | |
4162 | } | |
4163 | ||
4164 | jfieldID jfid = | |
4165 | env->GetStaticFieldID(jclazz, name, | |
4166 | "Lorg/rocksdb/WBWIRocksIterator$WriteType;"); | |
4167 | if(env->ExceptionCheck()) { | |
4168 | // exception occurred while getting field | |
4169 | return nullptr; | |
4170 | } else if(jfid == nullptr) { | |
4171 | return nullptr; | |
4172 | } | |
4173 | ||
4174 | jobject jwrite_type = env->GetStaticObjectField(jclazz, jfid); | |
4175 | assert(jwrite_type != nullptr); | |
4176 | return jwrite_type; | |
4177 | } | |
4178 | }; | |
4179 | ||
4180 | // The portal class for org.rocksdb.WBWIRocksIterator.WriteEntry | |
4181 | class WriteEntryJni : public JavaClass { | |
4182 | public: | |
4183 | /** | |
4184 | * Get the Java Class org.rocksdb.WBWIRocksIterator.WriteEntry | |
4185 | * | |
4186 | * @param env A pointer to the Java environment | |
4187 | * | |
4188 | * @return The Java Class or nullptr if one of the | |
4189 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
4190 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
4191 | */ | |
4192 | static jclass getJClass(JNIEnv* env) { | |
4193 | return JavaClass::getJClass(env, "org/rocksdb/WBWIRocksIterator$WriteEntry"); | |
4194 | } | |
4195 | }; | |
4196 | ||
4197 | // The portal class for org.rocksdb.InfoLogLevel | |
4198 | class InfoLogLevelJni : public JavaClass { | |
4199 | public: | |
4200 | /** | |
4201 | * Get the DEBUG_LEVEL enum field value of InfoLogLevel | |
4202 | * | |
4203 | * @param env A pointer to the Java environment | |
4204 | * | |
4205 | * @return A reference to the enum field value or a nullptr if | |
4206 | * the enum field value could not be retrieved | |
4207 | */ | |
4208 | static jobject DEBUG_LEVEL(JNIEnv* env) { | |
4209 | return getEnum(env, "DEBUG_LEVEL"); | |
4210 | } | |
4211 | ||
4212 | /** | |
4213 | * Get the INFO_LEVEL enum field value of InfoLogLevel | |
4214 | * | |
4215 | * @param env A pointer to the Java environment | |
4216 | * | |
4217 | * @return A reference to the enum field value or a nullptr if | |
4218 | * the enum field value could not be retrieved | |
4219 | */ | |
4220 | static jobject INFO_LEVEL(JNIEnv* env) { | |
4221 | return getEnum(env, "INFO_LEVEL"); | |
4222 | } | |
4223 | ||
4224 | /** | |
4225 | * Get the WARN_LEVEL enum field value of InfoLogLevel | |
4226 | * | |
4227 | * @param env A pointer to the Java environment | |
4228 | * | |
4229 | * @return A reference to the enum field value or a nullptr if | |
4230 | * the enum field value could not be retrieved | |
4231 | */ | |
4232 | static jobject WARN_LEVEL(JNIEnv* env) { | |
4233 | return getEnum(env, "WARN_LEVEL"); | |
4234 | } | |
4235 | ||
4236 | /** | |
4237 | * Get the ERROR_LEVEL enum field value of InfoLogLevel | |
4238 | * | |
4239 | * @param env A pointer to the Java environment | |
4240 | * | |
4241 | * @return A reference to the enum field value or a nullptr if | |
4242 | * the enum field value could not be retrieved | |
4243 | */ | |
4244 | static jobject ERROR_LEVEL(JNIEnv* env) { | |
4245 | return getEnum(env, "ERROR_LEVEL"); | |
4246 | } | |
4247 | ||
4248 | /** | |
4249 | * Get the FATAL_LEVEL enum field value of InfoLogLevel | |
4250 | * | |
4251 | * @param env A pointer to the Java environment | |
4252 | * | |
4253 | * @return A reference to the enum field value or a nullptr if | |
4254 | * the enum field value could not be retrieved | |
4255 | */ | |
4256 | static jobject FATAL_LEVEL(JNIEnv* env) { | |
4257 | return getEnum(env, "FATAL_LEVEL"); | |
4258 | } | |
4259 | ||
4260 | /** | |
4261 | * Get the HEADER_LEVEL enum field value of InfoLogLevel | |
4262 | * | |
4263 | * @param env A pointer to the Java environment | |
4264 | * | |
4265 | * @return A reference to the enum field value or a nullptr if | |
4266 | * the enum field value could not be retrieved | |
4267 | */ | |
4268 | static jobject HEADER_LEVEL(JNIEnv* env) { | |
4269 | return getEnum(env, "HEADER_LEVEL"); | |
4270 | } | |
4271 | ||
4272 | private: | |
4273 | /** | |
4274 | * Get the Java Class org.rocksdb.InfoLogLevel | |
4275 | * | |
4276 | * @param env A pointer to the Java environment | |
4277 | * | |
4278 | * @return The Java Class or nullptr if one of the | |
4279 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
4280 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
4281 | */ | |
4282 | static jclass getJClass(JNIEnv* env) { | |
4283 | return JavaClass::getJClass(env, "org/rocksdb/InfoLogLevel"); | |
4284 | } | |
4285 | ||
4286 | /** | |
4287 | * Get an enum field of org.rocksdb.InfoLogLevel | |
4288 | * | |
4289 | * @param env A pointer to the Java environment | |
4290 | * @param name The name of the enum field | |
4291 | * | |
4292 | * @return A reference to the enum field value or a nullptr if | |
4293 | * the enum field value could not be retrieved | |
4294 | */ | |
4295 | static jobject getEnum(JNIEnv* env, const char name[]) { | |
4296 | jclass jclazz = getJClass(env); | |
4297 | if(jclazz == nullptr) { | |
4298 | // exception occurred accessing class | |
4299 | return nullptr; | |
4300 | } | |
4301 | ||
4302 | jfieldID jfid = | |
4303 | env->GetStaticFieldID(jclazz, name, "Lorg/rocksdb/InfoLogLevel;"); | |
4304 | if(env->ExceptionCheck()) { | |
4305 | // exception occurred while getting field | |
4306 | return nullptr; | |
4307 | } else if(jfid == nullptr) { | |
4308 | return nullptr; | |
4309 | } | |
4310 | ||
4311 | jobject jinfo_log_level = env->GetStaticObjectField(jclazz, jfid); | |
4312 | assert(jinfo_log_level != nullptr); | |
4313 | return jinfo_log_level; | |
4314 | } | |
4315 | }; | |
4316 | ||
4317 | // The portal class for org.rocksdb.Logger | |
4318 | class LoggerJni | |
4319 | : public RocksDBNativeClass< | |
4320 | std::shared_ptr<ROCKSDB_NAMESPACE::LoggerJniCallback>*, LoggerJni> { | |
4321 | public: | |
4322 | /** | |
4323 | * Get the Java Class org/rocksdb/Logger | |
4324 | * | |
4325 | * @param env A pointer to the Java environment | |
4326 | * | |
4327 | * @return The Java Class or nullptr if one of the | |
4328 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
4329 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
4330 | */ | |
4331 | static jclass getJClass(JNIEnv* env) { | |
4332 | return RocksDBNativeClass::getJClass(env, "org/rocksdb/Logger"); | |
4333 | } | |
4334 | ||
4335 | /** | |
4336 | * Get the Java Method: Logger#log | |
4337 | * | |
4338 | * @param env A pointer to the Java environment | |
4339 | * | |
4340 | * @return The Java Method ID or nullptr if the class or method id could not | |
4341 | * be retrieved | |
4342 | */ | |
4343 | static jmethodID getLogMethodId(JNIEnv* env) { | |
4344 | jclass jclazz = getJClass(env); | |
4345 | if(jclazz == nullptr) { | |
4346 | // exception occurred accessing class | |
4347 | return nullptr; | |
4348 | } | |
4349 | ||
4350 | static jmethodID mid = | |
4351 | env->GetMethodID(jclazz, "log", | |
4352 | "(Lorg/rocksdb/InfoLogLevel;Ljava/lang/String;)V"); | |
4353 | assert(mid != nullptr); | |
4354 | return mid; | |
4355 | } | |
4356 | }; | |
4357 | ||
4358 | // The portal class for org.rocksdb.TransactionLogIterator.BatchResult | |
4359 | class BatchResultJni : public JavaClass { | |
4360 | public: | |
4361 | /** | |
4362 | * Get the Java Class org.rocksdb.TransactionLogIterator.BatchResult | |
4363 | * | |
4364 | * @param env A pointer to the Java environment | |
4365 | * | |
4366 | * @return The Java Class or nullptr if one of the | |
4367 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
4368 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
4369 | */ | |
4370 | static jclass getJClass(JNIEnv* env) { | |
4371 | return JavaClass::getJClass(env, | |
4372 | "org/rocksdb/TransactionLogIterator$BatchResult"); | |
4373 | } | |
4374 | ||
4375 | /** | |
4376 | * Create a new Java org.rocksdb.TransactionLogIterator.BatchResult object | |
4377 | * with the same properties as the provided C++ ROCKSDB_NAMESPACE::BatchResult | |
4378 | * object | |
4379 | * | |
4380 | * @param env A pointer to the Java environment | |
4381 | * @param batch_result The ROCKSDB_NAMESPACE::BatchResult object | |
4382 | * | |
4383 | * @return A reference to a Java | |
4384 | * org.rocksdb.TransactionLogIterator.BatchResult object, | |
4385 | * or nullptr if an an exception occurs | |
4386 | */ | |
4387 | static jobject construct(JNIEnv* env, | |
4388 | ROCKSDB_NAMESPACE::BatchResult& batch_result) { | |
4389 | jclass jclazz = getJClass(env); | |
4390 | if(jclazz == nullptr) { | |
4391 | // exception occurred accessing class | |
4392 | return nullptr; | |
4393 | } | |
4394 | ||
4395 | jmethodID mid = env->GetMethodID( | |
4396 | jclazz, "<init>", "(JJ)V"); | |
4397 | if(mid == nullptr) { | |
4398 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
4399 | return nullptr; | |
4400 | } | |
4401 | ||
4402 | jobject jbatch_result = env->NewObject(jclazz, mid, | |
4403 | batch_result.sequence, batch_result.writeBatchPtr.get()); | |
4404 | if(jbatch_result == nullptr) { | |
4405 | // exception thrown: InstantiationException or OutOfMemoryError | |
4406 | return nullptr; | |
4407 | } | |
4408 | ||
4409 | batch_result.writeBatchPtr.release(); | |
4410 | return jbatch_result; | |
4411 | } | |
4412 | }; | |
4413 | ||
4414 | // The portal class for org.rocksdb.BottommostLevelCompaction | |
4415 | class BottommostLevelCompactionJni { | |
4416 | public: | |
4417 | // Returns the equivalent org.rocksdb.BottommostLevelCompaction for the | |
4418 | // provided C++ ROCKSDB_NAMESPACE::BottommostLevelCompaction enum | |
4419 | static jint toJavaBottommostLevelCompaction( | |
4420 | const ROCKSDB_NAMESPACE::BottommostLevelCompaction& | |
4421 | bottommost_level_compaction) { | |
4422 | switch(bottommost_level_compaction) { | |
4423 | case ROCKSDB_NAMESPACE::BottommostLevelCompaction::kSkip: | |
4424 | return 0x0; | |
4425 | case ROCKSDB_NAMESPACE::BottommostLevelCompaction:: | |
4426 | kIfHaveCompactionFilter: | |
4427 | return 0x1; | |
4428 | case ROCKSDB_NAMESPACE::BottommostLevelCompaction::kForce: | |
4429 | return 0x2; | |
4430 | case ROCKSDB_NAMESPACE::BottommostLevelCompaction::kForceOptimized: | |
4431 | return 0x3; | |
4432 | default: | |
4433 | return 0x7F; // undefined | |
4434 | } | |
4435 | } | |
4436 | ||
4437 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::BottommostLevelCompaction | |
4438 | // enum for the provided Java org.rocksdb.BottommostLevelCompaction | |
4439 | static ROCKSDB_NAMESPACE::BottommostLevelCompaction | |
4440 | toCppBottommostLevelCompaction(jint bottommost_level_compaction) { | |
4441 | switch(bottommost_level_compaction) { | |
4442 | case 0x0: | |
4443 | return ROCKSDB_NAMESPACE::BottommostLevelCompaction::kSkip; | |
4444 | case 0x1: | |
4445 | return ROCKSDB_NAMESPACE::BottommostLevelCompaction:: | |
4446 | kIfHaveCompactionFilter; | |
4447 | case 0x2: | |
4448 | return ROCKSDB_NAMESPACE::BottommostLevelCompaction::kForce; | |
4449 | case 0x3: | |
4450 | return ROCKSDB_NAMESPACE::BottommostLevelCompaction::kForceOptimized; | |
4451 | default: | |
4452 | // undefined/default | |
4453 | return ROCKSDB_NAMESPACE::BottommostLevelCompaction:: | |
4454 | kIfHaveCompactionFilter; | |
4455 | } | |
4456 | } | |
4457 | }; | |
4458 | ||
4459 | // The portal class for org.rocksdb.CompactionStopStyle | |
4460 | class CompactionStopStyleJni { | |
4461 | public: | |
4462 | // Returns the equivalent org.rocksdb.CompactionStopStyle for the provided | |
4463 | // C++ ROCKSDB_NAMESPACE::CompactionStopStyle enum | |
4464 | static jbyte toJavaCompactionStopStyle( | |
4465 | const ROCKSDB_NAMESPACE::CompactionStopStyle& compaction_stop_style) { | |
4466 | switch(compaction_stop_style) { | |
4467 | case ROCKSDB_NAMESPACE::CompactionStopStyle:: | |
4468 | kCompactionStopStyleSimilarSize: | |
4469 | return 0x0; | |
4470 | case ROCKSDB_NAMESPACE::CompactionStopStyle:: | |
4471 | kCompactionStopStyleTotalSize: | |
4472 | return 0x1; | |
4473 | default: | |
4474 | return 0x7F; // undefined | |
4475 | } | |
4476 | } | |
4477 | ||
4478 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::CompactionStopStyle enum for | |
4479 | // the provided Java org.rocksdb.CompactionStopStyle | |
4480 | static ROCKSDB_NAMESPACE::CompactionStopStyle toCppCompactionStopStyle( | |
4481 | jbyte jcompaction_stop_style) { | |
4482 | switch(jcompaction_stop_style) { | |
4483 | case 0x0: | |
4484 | return ROCKSDB_NAMESPACE::CompactionStopStyle:: | |
4485 | kCompactionStopStyleSimilarSize; | |
4486 | case 0x1: | |
4487 | return ROCKSDB_NAMESPACE::CompactionStopStyle:: | |
4488 | kCompactionStopStyleTotalSize; | |
4489 | default: | |
4490 | // undefined/default | |
4491 | return ROCKSDB_NAMESPACE::CompactionStopStyle:: | |
4492 | kCompactionStopStyleSimilarSize; | |
4493 | } | |
4494 | } | |
4495 | }; | |
4496 | ||
4497 | // The portal class for org.rocksdb.CompressionType | |
4498 | class CompressionTypeJni { | |
4499 | public: | |
4500 | // Returns the equivalent org.rocksdb.CompressionType for the provided | |
4501 | // C++ ROCKSDB_NAMESPACE::CompressionType enum | |
4502 | static jbyte toJavaCompressionType( | |
4503 | const ROCKSDB_NAMESPACE::CompressionType& compression_type) { | |
4504 | switch(compression_type) { | |
4505 | case ROCKSDB_NAMESPACE::CompressionType::kNoCompression: | |
4506 | return 0x0; | |
4507 | case ROCKSDB_NAMESPACE::CompressionType::kSnappyCompression: | |
4508 | return 0x1; | |
4509 | case ROCKSDB_NAMESPACE::CompressionType::kZlibCompression: | |
4510 | return 0x2; | |
4511 | case ROCKSDB_NAMESPACE::CompressionType::kBZip2Compression: | |
4512 | return 0x3; | |
4513 | case ROCKSDB_NAMESPACE::CompressionType::kLZ4Compression: | |
4514 | return 0x4; | |
4515 | case ROCKSDB_NAMESPACE::CompressionType::kLZ4HCCompression: | |
4516 | return 0x5; | |
4517 | case ROCKSDB_NAMESPACE::CompressionType::kXpressCompression: | |
4518 | return 0x6; | |
4519 | case ROCKSDB_NAMESPACE::CompressionType::kZSTD: | |
4520 | return 0x7; | |
4521 | case ROCKSDB_NAMESPACE::CompressionType::kDisableCompressionOption: | |
4522 | default: | |
4523 | return 0x7F; | |
4524 | } | |
4525 | } | |
4526 | ||
4527 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::CompressionType enum for the | |
4528 | // provided Java org.rocksdb.CompressionType | |
4529 | static ROCKSDB_NAMESPACE::CompressionType toCppCompressionType( | |
4530 | jbyte jcompression_type) { | |
4531 | switch(jcompression_type) { | |
4532 | case 0x0: | |
4533 | return ROCKSDB_NAMESPACE::CompressionType::kNoCompression; | |
4534 | case 0x1: | |
4535 | return ROCKSDB_NAMESPACE::CompressionType::kSnappyCompression; | |
4536 | case 0x2: | |
4537 | return ROCKSDB_NAMESPACE::CompressionType::kZlibCompression; | |
4538 | case 0x3: | |
4539 | return ROCKSDB_NAMESPACE::CompressionType::kBZip2Compression; | |
4540 | case 0x4: | |
4541 | return ROCKSDB_NAMESPACE::CompressionType::kLZ4Compression; | |
4542 | case 0x5: | |
4543 | return ROCKSDB_NAMESPACE::CompressionType::kLZ4HCCompression; | |
4544 | case 0x6: | |
4545 | return ROCKSDB_NAMESPACE::CompressionType::kXpressCompression; | |
4546 | case 0x7: | |
4547 | return ROCKSDB_NAMESPACE::CompressionType::kZSTD; | |
4548 | case 0x7F: | |
4549 | default: | |
4550 | return ROCKSDB_NAMESPACE::CompressionType::kDisableCompressionOption; | |
4551 | } | |
4552 | } | |
4553 | }; | |
4554 | ||
4555 | // The portal class for org.rocksdb.CompactionPriority | |
4556 | class CompactionPriorityJni { | |
4557 | public: | |
4558 | // Returns the equivalent org.rocksdb.CompactionPriority for the provided | |
4559 | // C++ ROCKSDB_NAMESPACE::CompactionPri enum | |
4560 | static jbyte toJavaCompactionPriority( | |
4561 | const ROCKSDB_NAMESPACE::CompactionPri& compaction_priority) { | |
4562 | switch(compaction_priority) { | |
4563 | case ROCKSDB_NAMESPACE::CompactionPri::kByCompensatedSize: | |
4564 | return 0x0; | |
4565 | case ROCKSDB_NAMESPACE::CompactionPri::kOldestLargestSeqFirst: | |
4566 | return 0x1; | |
4567 | case ROCKSDB_NAMESPACE::CompactionPri::kOldestSmallestSeqFirst: | |
4568 | return 0x2; | |
4569 | case ROCKSDB_NAMESPACE::CompactionPri::kMinOverlappingRatio: | |
4570 | return 0x3; | |
4571 | default: | |
4572 | return 0x0; // undefined | |
4573 | } | |
4574 | } | |
4575 | ||
4576 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::CompactionPri enum for the | |
4577 | // provided Java org.rocksdb.CompactionPriority | |
4578 | static ROCKSDB_NAMESPACE::CompactionPri toCppCompactionPriority( | |
4579 | jbyte jcompaction_priority) { | |
4580 | switch(jcompaction_priority) { | |
4581 | case 0x0: | |
4582 | return ROCKSDB_NAMESPACE::CompactionPri::kByCompensatedSize; | |
4583 | case 0x1: | |
4584 | return ROCKSDB_NAMESPACE::CompactionPri::kOldestLargestSeqFirst; | |
4585 | case 0x2: | |
4586 | return ROCKSDB_NAMESPACE::CompactionPri::kOldestSmallestSeqFirst; | |
4587 | case 0x3: | |
4588 | return ROCKSDB_NAMESPACE::CompactionPri::kMinOverlappingRatio; | |
4589 | default: | |
4590 | // undefined/default | |
4591 | return ROCKSDB_NAMESPACE::CompactionPri::kByCompensatedSize; | |
4592 | } | |
4593 | } | |
4594 | }; | |
4595 | ||
4596 | // The portal class for org.rocksdb.AccessHint | |
4597 | class AccessHintJni { | |
4598 | public: | |
4599 | // Returns the equivalent org.rocksdb.AccessHint for the provided | |
4600 | // C++ ROCKSDB_NAMESPACE::DBOptions::AccessHint enum | |
4601 | static jbyte toJavaAccessHint( | |
4602 | const ROCKSDB_NAMESPACE::DBOptions::AccessHint& access_hint) { | |
4603 | switch(access_hint) { | |
4604 | case ROCKSDB_NAMESPACE::DBOptions::AccessHint::NONE: | |
4605 | return 0x0; | |
4606 | case ROCKSDB_NAMESPACE::DBOptions::AccessHint::NORMAL: | |
4607 | return 0x1; | |
4608 | case ROCKSDB_NAMESPACE::DBOptions::AccessHint::SEQUENTIAL: | |
4609 | return 0x2; | |
4610 | case ROCKSDB_NAMESPACE::DBOptions::AccessHint::WILLNEED: | |
4611 | return 0x3; | |
4612 | default: | |
4613 | // undefined/default | |
4614 | return 0x1; | |
4615 | } | |
4616 | } | |
4617 | ||
4618 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::DBOptions::AccessHint enum | |
4619 | // for the provided Java org.rocksdb.AccessHint | |
4620 | static ROCKSDB_NAMESPACE::DBOptions::AccessHint toCppAccessHint( | |
4621 | jbyte jaccess_hint) { | |
4622 | switch(jaccess_hint) { | |
4623 | case 0x0: | |
4624 | return ROCKSDB_NAMESPACE::DBOptions::AccessHint::NONE; | |
4625 | case 0x1: | |
4626 | return ROCKSDB_NAMESPACE::DBOptions::AccessHint::NORMAL; | |
4627 | case 0x2: | |
4628 | return ROCKSDB_NAMESPACE::DBOptions::AccessHint::SEQUENTIAL; | |
4629 | case 0x3: | |
4630 | return ROCKSDB_NAMESPACE::DBOptions::AccessHint::WILLNEED; | |
4631 | default: | |
4632 | // undefined/default | |
4633 | return ROCKSDB_NAMESPACE::DBOptions::AccessHint::NORMAL; | |
4634 | } | |
4635 | } | |
4636 | }; | |
4637 | ||
4638 | // The portal class for org.rocksdb.WALRecoveryMode | |
4639 | class WALRecoveryModeJni { | |
4640 | public: | |
4641 | // Returns the equivalent org.rocksdb.WALRecoveryMode for the provided | |
4642 | // C++ ROCKSDB_NAMESPACE::WALRecoveryMode enum | |
4643 | static jbyte toJavaWALRecoveryMode( | |
4644 | const ROCKSDB_NAMESPACE::WALRecoveryMode& wal_recovery_mode) { | |
4645 | switch(wal_recovery_mode) { | |
4646 | case ROCKSDB_NAMESPACE::WALRecoveryMode::kTolerateCorruptedTailRecords: | |
4647 | return 0x0; | |
4648 | case ROCKSDB_NAMESPACE::WALRecoveryMode::kAbsoluteConsistency: | |
4649 | return 0x1; | |
4650 | case ROCKSDB_NAMESPACE::WALRecoveryMode::kPointInTimeRecovery: | |
4651 | return 0x2; | |
4652 | case ROCKSDB_NAMESPACE::WALRecoveryMode::kSkipAnyCorruptedRecords: | |
4653 | return 0x3; | |
4654 | default: | |
4655 | // undefined/default | |
4656 | return 0x2; | |
4657 | } | |
4658 | } | |
4659 | ||
4660 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::WALRecoveryMode enum for the | |
4661 | // provided Java org.rocksdb.WALRecoveryMode | |
4662 | static ROCKSDB_NAMESPACE::WALRecoveryMode toCppWALRecoveryMode( | |
4663 | jbyte jwal_recovery_mode) { | |
4664 | switch(jwal_recovery_mode) { | |
4665 | case 0x0: | |
4666 | return ROCKSDB_NAMESPACE::WALRecoveryMode:: | |
4667 | kTolerateCorruptedTailRecords; | |
4668 | case 0x1: | |
4669 | return ROCKSDB_NAMESPACE::WALRecoveryMode::kAbsoluteConsistency; | |
4670 | case 0x2: | |
4671 | return ROCKSDB_NAMESPACE::WALRecoveryMode::kPointInTimeRecovery; | |
4672 | case 0x3: | |
4673 | return ROCKSDB_NAMESPACE::WALRecoveryMode::kSkipAnyCorruptedRecords; | |
4674 | default: | |
4675 | // undefined/default | |
4676 | return ROCKSDB_NAMESPACE::WALRecoveryMode::kPointInTimeRecovery; | |
4677 | } | |
4678 | } | |
4679 | }; | |
4680 | ||
4681 | // The portal class for org.rocksdb.TickerType | |
4682 | class TickerTypeJni { | |
4683 | public: | |
4684 | // Returns the equivalent org.rocksdb.TickerType for the provided | |
4685 | // C++ ROCKSDB_NAMESPACE::Tickers enum | |
4686 | static jbyte toJavaTickerType(const ROCKSDB_NAMESPACE::Tickers& tickers) { | |
4687 | switch(tickers) { | |
4688 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_MISS: | |
4689 | return 0x0; | |
4690 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_HIT: | |
4691 | return 0x1; | |
4692 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_ADD: | |
4693 | return 0x2; | |
4694 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_ADD_FAILURES: | |
4695 | return 0x3; | |
4696 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_MISS: | |
4697 | return 0x4; | |
4698 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_HIT: | |
4699 | return 0x5; | |
4700 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_ADD: | |
4701 | return 0x6; | |
4702 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_BYTES_INSERT: | |
4703 | return 0x7; | |
4704 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_BYTES_EVICT: | |
4705 | return 0x8; | |
4706 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_MISS: | |
4707 | return 0x9; | |
4708 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_HIT: | |
4709 | return 0xA; | |
4710 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_ADD: | |
4711 | return 0xB; | |
4712 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_BYTES_INSERT: | |
4713 | return 0xC; | |
4714 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_BYTES_EVICT: | |
4715 | return 0xD; | |
4716 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_MISS: | |
4717 | return 0xE; | |
4718 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_HIT: | |
4719 | return 0xF; | |
4720 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_ADD: | |
4721 | return 0x10; | |
4722 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_BYTES_INSERT: | |
4723 | return 0x11; | |
4724 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_BYTES_READ: | |
4725 | return 0x12; | |
4726 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_BYTES_WRITE: | |
4727 | return 0x13; | |
4728 | case ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_USEFUL: | |
4729 | return 0x14; | |
4730 | case ROCKSDB_NAMESPACE::Tickers::PERSISTENT_CACHE_HIT: | |
4731 | return 0x15; | |
4732 | case ROCKSDB_NAMESPACE::Tickers::PERSISTENT_CACHE_MISS: | |
4733 | return 0x16; | |
4734 | case ROCKSDB_NAMESPACE::Tickers::SIM_BLOCK_CACHE_HIT: | |
4735 | return 0x17; | |
4736 | case ROCKSDB_NAMESPACE::Tickers::SIM_BLOCK_CACHE_MISS: | |
4737 | return 0x18; | |
4738 | case ROCKSDB_NAMESPACE::Tickers::MEMTABLE_HIT: | |
4739 | return 0x19; | |
4740 | case ROCKSDB_NAMESPACE::Tickers::MEMTABLE_MISS: | |
4741 | return 0x1A; | |
4742 | case ROCKSDB_NAMESPACE::Tickers::GET_HIT_L0: | |
4743 | return 0x1B; | |
4744 | case ROCKSDB_NAMESPACE::Tickers::GET_HIT_L1: | |
4745 | return 0x1C; | |
4746 | case ROCKSDB_NAMESPACE::Tickers::GET_HIT_L2_AND_UP: | |
4747 | return 0x1D; | |
4748 | case ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_NEWER_ENTRY: | |
4749 | return 0x1E; | |
4750 | case ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_OBSOLETE: | |
4751 | return 0x1F; | |
4752 | case ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_RANGE_DEL: | |
4753 | return 0x20; | |
4754 | case ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_USER: | |
4755 | return 0x21; | |
4756 | case ROCKSDB_NAMESPACE::Tickers::COMPACTION_RANGE_DEL_DROP_OBSOLETE: | |
4757 | return 0x22; | |
4758 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_KEYS_WRITTEN: | |
4759 | return 0x23; | |
4760 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_KEYS_READ: | |
4761 | return 0x24; | |
4762 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_KEYS_UPDATED: | |
4763 | return 0x25; | |
4764 | case ROCKSDB_NAMESPACE::Tickers::BYTES_WRITTEN: | |
4765 | return 0x26; | |
4766 | case ROCKSDB_NAMESPACE::Tickers::BYTES_READ: | |
4767 | return 0x27; | |
4768 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_SEEK: | |
4769 | return 0x28; | |
4770 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_NEXT: | |
4771 | return 0x29; | |
4772 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_PREV: | |
4773 | return 0x2A; | |
4774 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_SEEK_FOUND: | |
4775 | return 0x2B; | |
4776 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_NEXT_FOUND: | |
4777 | return 0x2C; | |
4778 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_PREV_FOUND: | |
4779 | return 0x2D; | |
4780 | case ROCKSDB_NAMESPACE::Tickers::ITER_BYTES_READ: | |
4781 | return 0x2E; | |
4782 | case ROCKSDB_NAMESPACE::Tickers::NO_FILE_CLOSES: | |
4783 | return 0x2F; | |
4784 | case ROCKSDB_NAMESPACE::Tickers::NO_FILE_OPENS: | |
4785 | return 0x30; | |
4786 | case ROCKSDB_NAMESPACE::Tickers::NO_FILE_ERRORS: | |
4787 | return 0x31; | |
4788 | case ROCKSDB_NAMESPACE::Tickers::STALL_L0_SLOWDOWN_MICROS: | |
4789 | return 0x32; | |
4790 | case ROCKSDB_NAMESPACE::Tickers::STALL_MEMTABLE_COMPACTION_MICROS: | |
4791 | return 0x33; | |
4792 | case ROCKSDB_NAMESPACE::Tickers::STALL_L0_NUM_FILES_MICROS: | |
4793 | return 0x34; | |
4794 | case ROCKSDB_NAMESPACE::Tickers::STALL_MICROS: | |
4795 | return 0x35; | |
4796 | case ROCKSDB_NAMESPACE::Tickers::DB_MUTEX_WAIT_MICROS: | |
4797 | return 0x36; | |
4798 | case ROCKSDB_NAMESPACE::Tickers::RATE_LIMIT_DELAY_MILLIS: | |
4799 | return 0x37; | |
4800 | case ROCKSDB_NAMESPACE::Tickers::NO_ITERATORS: | |
4801 | return 0x38; | |
4802 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_CALLS: | |
4803 | return 0x39; | |
4804 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_KEYS_READ: | |
4805 | return 0x3A; | |
4806 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_BYTES_READ: | |
4807 | return 0x3B; | |
4808 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_FILTERED_DELETES: | |
4809 | return 0x3C; | |
4810 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_MERGE_FAILURES: | |
4811 | return 0x3D; | |
4812 | case ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_PREFIX_CHECKED: | |
4813 | return 0x3E; | |
4814 | case ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_PREFIX_USEFUL: | |
4815 | return 0x3F; | |
4816 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_OF_RESEEKS_IN_ITERATION: | |
4817 | return 0x40; | |
4818 | case ROCKSDB_NAMESPACE::Tickers::GET_UPDATES_SINCE_CALLS: | |
4819 | return 0x41; | |
4820 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_MISS: | |
4821 | return 0x42; | |
4822 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_HIT: | |
4823 | return 0x43; | |
4824 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_ADD: | |
4825 | return 0x44; | |
4826 | case ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_ADD_FAILURES: | |
4827 | return 0x45; | |
4828 | case ROCKSDB_NAMESPACE::Tickers::WAL_FILE_SYNCED: | |
4829 | return 0x46; | |
4830 | case ROCKSDB_NAMESPACE::Tickers::WAL_FILE_BYTES: | |
4831 | return 0x47; | |
4832 | case ROCKSDB_NAMESPACE::Tickers::WRITE_DONE_BY_SELF: | |
4833 | return 0x48; | |
4834 | case ROCKSDB_NAMESPACE::Tickers::WRITE_DONE_BY_OTHER: | |
4835 | return 0x49; | |
4836 | case ROCKSDB_NAMESPACE::Tickers::WRITE_TIMEDOUT: | |
4837 | return 0x4A; | |
4838 | case ROCKSDB_NAMESPACE::Tickers::WRITE_WITH_WAL: | |
4839 | return 0x4B; | |
4840 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES: | |
4841 | return 0x4C; | |
4842 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES: | |
4843 | return 0x4D; | |
4844 | case ROCKSDB_NAMESPACE::Tickers::FLUSH_WRITE_BYTES: | |
4845 | return 0x4E; | |
4846 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_DIRECT_LOAD_TABLE_PROPERTIES: | |
4847 | return 0x4F; | |
4848 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_SUPERVERSION_ACQUIRES: | |
4849 | return 0x50; | |
4850 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_SUPERVERSION_RELEASES: | |
4851 | return 0x51; | |
4852 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_SUPERVERSION_CLEANUPS: | |
4853 | return 0x52; | |
4854 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_BLOCK_COMPRESSED: | |
4855 | return 0x53; | |
4856 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_BLOCK_DECOMPRESSED: | |
4857 | return 0x54; | |
4858 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_BLOCK_NOT_COMPRESSED: | |
4859 | return 0x55; | |
4860 | case ROCKSDB_NAMESPACE::Tickers::MERGE_OPERATION_TOTAL_TIME: | |
4861 | return 0x56; | |
4862 | case ROCKSDB_NAMESPACE::Tickers::FILTER_OPERATION_TOTAL_TIME: | |
4863 | return 0x57; | |
4864 | case ROCKSDB_NAMESPACE::Tickers::ROW_CACHE_HIT: | |
4865 | return 0x58; | |
4866 | case ROCKSDB_NAMESPACE::Tickers::ROW_CACHE_MISS: | |
4867 | return 0x59; | |
4868 | case ROCKSDB_NAMESPACE::Tickers::READ_AMP_ESTIMATE_USEFUL_BYTES: | |
4869 | return 0x5A; | |
4870 | case ROCKSDB_NAMESPACE::Tickers::READ_AMP_TOTAL_READ_BYTES: | |
4871 | return 0x5B; | |
4872 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_RATE_LIMITER_DRAINS: | |
4873 | return 0x5C; | |
4874 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_ITER_SKIP: | |
4875 | return 0x5D; | |
4876 | case ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_KEYS_FOUND: | |
4877 | return 0x5E; | |
4878 | case ROCKSDB_NAMESPACE::Tickers::NO_ITERATOR_CREATED: | |
4879 | // -0x01 to fixate the new value that incorrectly changed TICKER_ENUM_MAX. | |
4880 | return -0x01; | |
4881 | case ROCKSDB_NAMESPACE::Tickers::NO_ITERATOR_DELETED: | |
4882 | return 0x60; | |
4883 | case ROCKSDB_NAMESPACE::Tickers::COMPACTION_OPTIMIZED_DEL_DROP_OBSOLETE: | |
4884 | return 0x61; | |
4885 | case ROCKSDB_NAMESPACE::Tickers::COMPACTION_CANCELLED: | |
4886 | return 0x62; | |
4887 | case ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_FULL_POSITIVE: | |
4888 | return 0x63; | |
4889 | case ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_FULL_TRUE_POSITIVE: | |
4890 | return 0x64; | |
4891 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_PUT: | |
4892 | return 0x65; | |
4893 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_WRITE: | |
4894 | return 0x66; | |
4895 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_GET: | |
4896 | return 0x67; | |
4897 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_MULTIGET: | |
4898 | return 0x68; | |
4899 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_SEEK: | |
4900 | return 0x69; | |
4901 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_NEXT: | |
4902 | return 0x6A; | |
4903 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_PREV: | |
4904 | return 0x6B; | |
4905 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_KEYS_WRITTEN: | |
4906 | return 0x6C; | |
4907 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_KEYS_READ: | |
4908 | return 0x6D; | |
4909 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BYTES_WRITTEN: | |
4910 | return 0x6E; | |
4911 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BYTES_READ: | |
4912 | return 0x6F; | |
4913 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_INLINED: | |
4914 | return 0x70; | |
4915 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_INLINED_TTL: | |
4916 | return 0x71; | |
4917 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_BLOB: | |
4918 | return 0x72; | |
4919 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_BLOB_TTL: | |
4920 | return 0x73; | |
4921 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_FILE_BYTES_WRITTEN: | |
4922 | return 0x74; | |
4923 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_FILE_BYTES_READ: | |
4924 | return 0x75; | |
4925 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_FILE_SYNCED: | |
4926 | return 0x76; | |
4927 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EXPIRED_COUNT: | |
4928 | return 0x77; | |
4929 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EXPIRED_SIZE: | |
4930 | return 0x78; | |
4931 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EVICTED_COUNT: | |
4932 | return 0x79; | |
4933 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EVICTED_SIZE: | |
4934 | return 0x7A; | |
4935 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_FILES: | |
4936 | return 0x7B; | |
4937 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_NEW_FILES: | |
4938 | return 0x7C; | |
4939 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_FAILURES: | |
4940 | return 0x7D; | |
4941 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_KEYS_OVERWRITTEN: | |
4942 | return 0x7E; | |
4943 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_KEYS_EXPIRED: | |
4944 | return 0x7F; | |
4945 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_KEYS_RELOCATED: | |
4946 | return -0x02; | |
4947 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_BYTES_OVERWRITTEN: | |
4948 | return -0x03; | |
4949 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_BYTES_EXPIRED: | |
4950 | return -0x04; | |
4951 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_BYTES_RELOCATED: | |
4952 | return -0x05; | |
4953 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_FIFO_NUM_FILES_EVICTED: | |
4954 | return -0x06; | |
4955 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_FIFO_NUM_KEYS_EVICTED: | |
4956 | return -0x07; | |
4957 | case ROCKSDB_NAMESPACE::Tickers::BLOB_DB_FIFO_BYTES_EVICTED: | |
4958 | return -0x08; | |
4959 | case ROCKSDB_NAMESPACE::Tickers::TXN_PREPARE_MUTEX_OVERHEAD: | |
4960 | return -0x09; | |
4961 | case ROCKSDB_NAMESPACE::Tickers::TXN_OLD_COMMIT_MAP_MUTEX_OVERHEAD: | |
4962 | return -0x0A; | |
4963 | case ROCKSDB_NAMESPACE::Tickers::TXN_DUPLICATE_KEY_OVERHEAD: | |
4964 | return -0x0B; | |
4965 | case ROCKSDB_NAMESPACE::Tickers::TXN_SNAPSHOT_MUTEX_OVERHEAD: | |
4966 | return -0x0C; | |
4967 | case ROCKSDB_NAMESPACE::Tickers::TXN_GET_TRY_AGAIN: | |
4968 | return -0x0D; | |
4969 | case ROCKSDB_NAMESPACE::Tickers::FILES_MARKED_TRASH: | |
4970 | return -0x0E; | |
4971 | case ROCKSDB_NAMESPACE::Tickers::FILES_DELETED_IMMEDIATELY: | |
4972 | return -0X0F; | |
4973 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES_MARKED: | |
4974 | return -0x10; | |
4975 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES_PERIODIC: | |
4976 | return -0x11; | |
4977 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES_TTL: | |
4978 | return -0x12; | |
4979 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES_MARKED: | |
4980 | return -0x13; | |
4981 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES_PERIODIC: | |
4982 | return -0x14; | |
4983 | case ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES_TTL: | |
4984 | return -0x15; | |
4985 | ||
4986 | case ROCKSDB_NAMESPACE::Tickers::TICKER_ENUM_MAX: | |
4987 | // 0x5F for backwards compatibility on current minor version. | |
4988 | return 0x5F; | |
4989 | default: | |
4990 | // undefined/default | |
4991 | return 0x0; | |
4992 | } | |
4993 | } | |
4994 | ||
4995 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::Tickers enum for the | |
4996 | // provided Java org.rocksdb.TickerType | |
4997 | static ROCKSDB_NAMESPACE::Tickers toCppTickers(jbyte jticker_type) { | |
4998 | switch(jticker_type) { | |
4999 | case 0x0: | |
5000 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_MISS; | |
5001 | case 0x1: | |
5002 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_HIT; | |
5003 | case 0x2: | |
5004 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_ADD; | |
5005 | case 0x3: | |
5006 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_ADD_FAILURES; | |
5007 | case 0x4: | |
5008 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_MISS; | |
5009 | case 0x5: | |
5010 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_HIT; | |
5011 | case 0x6: | |
5012 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_ADD; | |
5013 | case 0x7: | |
5014 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_BYTES_INSERT; | |
5015 | case 0x8: | |
5016 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_INDEX_BYTES_EVICT; | |
5017 | case 0x9: | |
5018 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_MISS; | |
5019 | case 0xA: | |
5020 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_HIT; | |
5021 | case 0xB: | |
5022 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_ADD; | |
5023 | case 0xC: | |
5024 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_BYTES_INSERT; | |
5025 | case 0xD: | |
5026 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_FILTER_BYTES_EVICT; | |
5027 | case 0xE: | |
5028 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_MISS; | |
5029 | case 0xF: | |
5030 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_HIT; | |
5031 | case 0x10: | |
5032 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_ADD; | |
5033 | case 0x11: | |
5034 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_DATA_BYTES_INSERT; | |
5035 | case 0x12: | |
5036 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_BYTES_READ; | |
5037 | case 0x13: | |
5038 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_BYTES_WRITE; | |
5039 | case 0x14: | |
5040 | return ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_USEFUL; | |
5041 | case 0x15: | |
5042 | return ROCKSDB_NAMESPACE::Tickers::PERSISTENT_CACHE_HIT; | |
5043 | case 0x16: | |
5044 | return ROCKSDB_NAMESPACE::Tickers::PERSISTENT_CACHE_MISS; | |
5045 | case 0x17: | |
5046 | return ROCKSDB_NAMESPACE::Tickers::SIM_BLOCK_CACHE_HIT; | |
5047 | case 0x18: | |
5048 | return ROCKSDB_NAMESPACE::Tickers::SIM_BLOCK_CACHE_MISS; | |
5049 | case 0x19: | |
5050 | return ROCKSDB_NAMESPACE::Tickers::MEMTABLE_HIT; | |
5051 | case 0x1A: | |
5052 | return ROCKSDB_NAMESPACE::Tickers::MEMTABLE_MISS; | |
5053 | case 0x1B: | |
5054 | return ROCKSDB_NAMESPACE::Tickers::GET_HIT_L0; | |
5055 | case 0x1C: | |
5056 | return ROCKSDB_NAMESPACE::Tickers::GET_HIT_L1; | |
5057 | case 0x1D: | |
5058 | return ROCKSDB_NAMESPACE::Tickers::GET_HIT_L2_AND_UP; | |
5059 | case 0x1E: | |
5060 | return ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_NEWER_ENTRY; | |
5061 | case 0x1F: | |
5062 | return ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_OBSOLETE; | |
5063 | case 0x20: | |
5064 | return ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_RANGE_DEL; | |
5065 | case 0x21: | |
5066 | return ROCKSDB_NAMESPACE::Tickers::COMPACTION_KEY_DROP_USER; | |
5067 | case 0x22: | |
5068 | return ROCKSDB_NAMESPACE::Tickers::COMPACTION_RANGE_DEL_DROP_OBSOLETE; | |
5069 | case 0x23: | |
5070 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_KEYS_WRITTEN; | |
5071 | case 0x24: | |
5072 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_KEYS_READ; | |
5073 | case 0x25: | |
5074 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_KEYS_UPDATED; | |
5075 | case 0x26: | |
5076 | return ROCKSDB_NAMESPACE::Tickers::BYTES_WRITTEN; | |
5077 | case 0x27: | |
5078 | return ROCKSDB_NAMESPACE::Tickers::BYTES_READ; | |
5079 | case 0x28: | |
5080 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_SEEK; | |
5081 | case 0x29: | |
5082 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_NEXT; | |
5083 | case 0x2A: | |
5084 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_PREV; | |
5085 | case 0x2B: | |
5086 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_SEEK_FOUND; | |
5087 | case 0x2C: | |
5088 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_NEXT_FOUND; | |
5089 | case 0x2D: | |
5090 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_DB_PREV_FOUND; | |
5091 | case 0x2E: | |
5092 | return ROCKSDB_NAMESPACE::Tickers::ITER_BYTES_READ; | |
5093 | case 0x2F: | |
5094 | return ROCKSDB_NAMESPACE::Tickers::NO_FILE_CLOSES; | |
5095 | case 0x30: | |
5096 | return ROCKSDB_NAMESPACE::Tickers::NO_FILE_OPENS; | |
5097 | case 0x31: | |
5098 | return ROCKSDB_NAMESPACE::Tickers::NO_FILE_ERRORS; | |
5099 | case 0x32: | |
5100 | return ROCKSDB_NAMESPACE::Tickers::STALL_L0_SLOWDOWN_MICROS; | |
5101 | case 0x33: | |
5102 | return ROCKSDB_NAMESPACE::Tickers::STALL_MEMTABLE_COMPACTION_MICROS; | |
5103 | case 0x34: | |
5104 | return ROCKSDB_NAMESPACE::Tickers::STALL_L0_NUM_FILES_MICROS; | |
5105 | case 0x35: | |
5106 | return ROCKSDB_NAMESPACE::Tickers::STALL_MICROS; | |
5107 | case 0x36: | |
5108 | return ROCKSDB_NAMESPACE::Tickers::DB_MUTEX_WAIT_MICROS; | |
5109 | case 0x37: | |
5110 | return ROCKSDB_NAMESPACE::Tickers::RATE_LIMIT_DELAY_MILLIS; | |
5111 | case 0x38: | |
5112 | return ROCKSDB_NAMESPACE::Tickers::NO_ITERATORS; | |
5113 | case 0x39: | |
5114 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_CALLS; | |
5115 | case 0x3A: | |
5116 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_KEYS_READ; | |
5117 | case 0x3B: | |
5118 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_BYTES_READ; | |
5119 | case 0x3C: | |
5120 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_FILTERED_DELETES; | |
5121 | case 0x3D: | |
5122 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_MERGE_FAILURES; | |
5123 | case 0x3E: | |
5124 | return ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_PREFIX_CHECKED; | |
5125 | case 0x3F: | |
5126 | return ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_PREFIX_USEFUL; | |
5127 | case 0x40: | |
5128 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_OF_RESEEKS_IN_ITERATION; | |
5129 | case 0x41: | |
5130 | return ROCKSDB_NAMESPACE::Tickers::GET_UPDATES_SINCE_CALLS; | |
5131 | case 0x42: | |
5132 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_MISS; | |
5133 | case 0x43: | |
5134 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_HIT; | |
5135 | case 0x44: | |
5136 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_ADD; | |
5137 | case 0x45: | |
5138 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_COMPRESSED_ADD_FAILURES; | |
5139 | case 0x46: | |
5140 | return ROCKSDB_NAMESPACE::Tickers::WAL_FILE_SYNCED; | |
5141 | case 0x47: | |
5142 | return ROCKSDB_NAMESPACE::Tickers::WAL_FILE_BYTES; | |
5143 | case 0x48: | |
5144 | return ROCKSDB_NAMESPACE::Tickers::WRITE_DONE_BY_SELF; | |
5145 | case 0x49: | |
5146 | return ROCKSDB_NAMESPACE::Tickers::WRITE_DONE_BY_OTHER; | |
5147 | case 0x4A: | |
5148 | return ROCKSDB_NAMESPACE::Tickers::WRITE_TIMEDOUT; | |
5149 | case 0x4B: | |
5150 | return ROCKSDB_NAMESPACE::Tickers::WRITE_WITH_WAL; | |
5151 | case 0x4C: | |
5152 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES; | |
5153 | case 0x4D: | |
5154 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES; | |
5155 | case 0x4E: | |
5156 | return ROCKSDB_NAMESPACE::Tickers::FLUSH_WRITE_BYTES; | |
5157 | case 0x4F: | |
5158 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_DIRECT_LOAD_TABLE_PROPERTIES; | |
5159 | case 0x50: | |
5160 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_SUPERVERSION_ACQUIRES; | |
5161 | case 0x51: | |
5162 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_SUPERVERSION_RELEASES; | |
5163 | case 0x52: | |
5164 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_SUPERVERSION_CLEANUPS; | |
5165 | case 0x53: | |
5166 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_BLOCK_COMPRESSED; | |
5167 | case 0x54: | |
5168 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_BLOCK_DECOMPRESSED; | |
5169 | case 0x55: | |
5170 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_BLOCK_NOT_COMPRESSED; | |
5171 | case 0x56: | |
5172 | return ROCKSDB_NAMESPACE::Tickers::MERGE_OPERATION_TOTAL_TIME; | |
5173 | case 0x57: | |
5174 | return ROCKSDB_NAMESPACE::Tickers::FILTER_OPERATION_TOTAL_TIME; | |
5175 | case 0x58: | |
5176 | return ROCKSDB_NAMESPACE::Tickers::ROW_CACHE_HIT; | |
5177 | case 0x59: | |
5178 | return ROCKSDB_NAMESPACE::Tickers::ROW_CACHE_MISS; | |
5179 | case 0x5A: | |
5180 | return ROCKSDB_NAMESPACE::Tickers::READ_AMP_ESTIMATE_USEFUL_BYTES; | |
5181 | case 0x5B: | |
5182 | return ROCKSDB_NAMESPACE::Tickers::READ_AMP_TOTAL_READ_BYTES; | |
5183 | case 0x5C: | |
5184 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_RATE_LIMITER_DRAINS; | |
5185 | case 0x5D: | |
5186 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_ITER_SKIP; | |
5187 | case 0x5E: | |
5188 | return ROCKSDB_NAMESPACE::Tickers::NUMBER_MULTIGET_KEYS_FOUND; | |
5189 | case -0x01: | |
5190 | // -0x01 to fixate the new value that incorrectly changed TICKER_ENUM_MAX. | |
5191 | return ROCKSDB_NAMESPACE::Tickers::NO_ITERATOR_CREATED; | |
5192 | case 0x60: | |
5193 | return ROCKSDB_NAMESPACE::Tickers::NO_ITERATOR_DELETED; | |
5194 | case 0x61: | |
5195 | return ROCKSDB_NAMESPACE::Tickers:: | |
5196 | COMPACTION_OPTIMIZED_DEL_DROP_OBSOLETE; | |
5197 | case 0x62: | |
5198 | return ROCKSDB_NAMESPACE::Tickers::COMPACTION_CANCELLED; | |
5199 | case 0x63: | |
5200 | return ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_FULL_POSITIVE; | |
5201 | case 0x64: | |
5202 | return ROCKSDB_NAMESPACE::Tickers::BLOOM_FILTER_FULL_TRUE_POSITIVE; | |
5203 | case 0x65: | |
5204 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_PUT; | |
5205 | case 0x66: | |
5206 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_WRITE; | |
5207 | case 0x67: | |
5208 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_GET; | |
5209 | case 0x68: | |
5210 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_MULTIGET; | |
5211 | case 0x69: | |
5212 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_SEEK; | |
5213 | case 0x6A: | |
5214 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_NEXT; | |
5215 | case 0x6B: | |
5216 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_PREV; | |
5217 | case 0x6C: | |
5218 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_KEYS_WRITTEN; | |
5219 | case 0x6D: | |
5220 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_NUM_KEYS_READ; | |
5221 | case 0x6E: | |
5222 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BYTES_WRITTEN; | |
5223 | case 0x6F: | |
5224 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BYTES_READ; | |
5225 | case 0x70: | |
5226 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_INLINED; | |
5227 | case 0x71: | |
5228 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_INLINED_TTL; | |
5229 | case 0x72: | |
5230 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_BLOB; | |
5231 | case 0x73: | |
5232 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_WRITE_BLOB_TTL; | |
5233 | case 0x74: | |
5234 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_FILE_BYTES_WRITTEN; | |
5235 | case 0x75: | |
5236 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_FILE_BYTES_READ; | |
5237 | case 0x76: | |
5238 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_FILE_SYNCED; | |
5239 | case 0x77: | |
5240 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EXPIRED_COUNT; | |
5241 | case 0x78: | |
5242 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EXPIRED_SIZE; | |
5243 | case 0x79: | |
5244 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EVICTED_COUNT; | |
5245 | case 0x7A: | |
5246 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_BLOB_INDEX_EVICTED_SIZE; | |
5247 | case 0x7B: | |
5248 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_FILES; | |
5249 | case 0x7C: | |
5250 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_NEW_FILES; | |
5251 | case 0x7D: | |
5252 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_FAILURES; | |
5253 | case 0x7E: | |
5254 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_KEYS_OVERWRITTEN; | |
5255 | case 0x7F: | |
5256 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_KEYS_EXPIRED; | |
5257 | case -0x02: | |
5258 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_NUM_KEYS_RELOCATED; | |
5259 | case -0x03: | |
5260 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_BYTES_OVERWRITTEN; | |
5261 | case -0x04: | |
5262 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_BYTES_EXPIRED; | |
5263 | case -0x05: | |
5264 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_GC_BYTES_RELOCATED; | |
5265 | case -0x06: | |
5266 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_FIFO_NUM_FILES_EVICTED; | |
5267 | case -0x07: | |
5268 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_FIFO_NUM_KEYS_EVICTED; | |
5269 | case -0x08: | |
5270 | return ROCKSDB_NAMESPACE::Tickers::BLOB_DB_FIFO_BYTES_EVICTED; | |
5271 | case -0x09: | |
5272 | return ROCKSDB_NAMESPACE::Tickers::TXN_PREPARE_MUTEX_OVERHEAD; | |
5273 | case -0x0A: | |
5274 | return ROCKSDB_NAMESPACE::Tickers::TXN_OLD_COMMIT_MAP_MUTEX_OVERHEAD; | |
5275 | case -0x0B: | |
5276 | return ROCKSDB_NAMESPACE::Tickers::TXN_DUPLICATE_KEY_OVERHEAD; | |
5277 | case -0x0C: | |
5278 | return ROCKSDB_NAMESPACE::Tickers::TXN_SNAPSHOT_MUTEX_OVERHEAD; | |
5279 | case -0x0D: | |
5280 | return ROCKSDB_NAMESPACE::Tickers::TXN_GET_TRY_AGAIN; | |
5281 | case -0x0E: | |
5282 | return ROCKSDB_NAMESPACE::Tickers::FILES_MARKED_TRASH; | |
5283 | case -0x0F: | |
5284 | return ROCKSDB_NAMESPACE::Tickers::FILES_DELETED_IMMEDIATELY; | |
5285 | case -0x10: | |
5286 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES_MARKED; | |
5287 | case -0x11: | |
5288 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES_PERIODIC; | |
5289 | case -0x12: | |
5290 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_READ_BYTES_TTL; | |
5291 | case -0x13: | |
5292 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES_MARKED; | |
5293 | case -0x14: | |
5294 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES_PERIODIC; | |
5295 | case -0x15: | |
5296 | return ROCKSDB_NAMESPACE::Tickers::COMPACT_WRITE_BYTES_TTL; | |
5297 | case 0x5F: | |
5298 | // 0x5F for backwards compatibility on current minor version. | |
5299 | return ROCKSDB_NAMESPACE::Tickers::TICKER_ENUM_MAX; | |
5300 | ||
5301 | default: | |
5302 | // undefined/default | |
5303 | return ROCKSDB_NAMESPACE::Tickers::BLOCK_CACHE_MISS; | |
5304 | } | |
5305 | } | |
5306 | }; | |
5307 | ||
5308 | // The portal class for org.rocksdb.HistogramType | |
5309 | class HistogramTypeJni { | |
5310 | public: | |
5311 | // Returns the equivalent org.rocksdb.HistogramType for the provided | |
5312 | // C++ ROCKSDB_NAMESPACE::Histograms enum | |
5313 | static jbyte toJavaHistogramsType( | |
5314 | const ROCKSDB_NAMESPACE::Histograms& histograms) { | |
5315 | switch(histograms) { | |
5316 | case ROCKSDB_NAMESPACE::Histograms::DB_GET: | |
5317 | return 0x0; | |
5318 | case ROCKSDB_NAMESPACE::Histograms::DB_WRITE: | |
5319 | return 0x1; | |
5320 | case ROCKSDB_NAMESPACE::Histograms::COMPACTION_TIME: | |
5321 | return 0x2; | |
5322 | case ROCKSDB_NAMESPACE::Histograms::SUBCOMPACTION_SETUP_TIME: | |
5323 | return 0x3; | |
5324 | case ROCKSDB_NAMESPACE::Histograms::TABLE_SYNC_MICROS: | |
5325 | return 0x4; | |
5326 | case ROCKSDB_NAMESPACE::Histograms::COMPACTION_OUTFILE_SYNC_MICROS: | |
5327 | return 0x5; | |
5328 | case ROCKSDB_NAMESPACE::Histograms::WAL_FILE_SYNC_MICROS: | |
5329 | return 0x6; | |
5330 | case ROCKSDB_NAMESPACE::Histograms::MANIFEST_FILE_SYNC_MICROS: | |
5331 | return 0x7; | |
5332 | case ROCKSDB_NAMESPACE::Histograms::TABLE_OPEN_IO_MICROS: | |
5333 | return 0x8; | |
5334 | case ROCKSDB_NAMESPACE::Histograms::DB_MULTIGET: | |
5335 | return 0x9; | |
5336 | case ROCKSDB_NAMESPACE::Histograms::READ_BLOCK_COMPACTION_MICROS: | |
5337 | return 0xA; | |
5338 | case ROCKSDB_NAMESPACE::Histograms::READ_BLOCK_GET_MICROS: | |
5339 | return 0xB; | |
5340 | case ROCKSDB_NAMESPACE::Histograms::WRITE_RAW_BLOCK_MICROS: | |
5341 | return 0xC; | |
5342 | case ROCKSDB_NAMESPACE::Histograms::STALL_L0_SLOWDOWN_COUNT: | |
5343 | return 0xD; | |
5344 | case ROCKSDB_NAMESPACE::Histograms::STALL_MEMTABLE_COMPACTION_COUNT: | |
5345 | return 0xE; | |
5346 | case ROCKSDB_NAMESPACE::Histograms::STALL_L0_NUM_FILES_COUNT: | |
5347 | return 0xF; | |
5348 | case ROCKSDB_NAMESPACE::Histograms::HARD_RATE_LIMIT_DELAY_COUNT: | |
5349 | return 0x10; | |
5350 | case ROCKSDB_NAMESPACE::Histograms::SOFT_RATE_LIMIT_DELAY_COUNT: | |
5351 | return 0x11; | |
5352 | case ROCKSDB_NAMESPACE::Histograms::NUM_FILES_IN_SINGLE_COMPACTION: | |
5353 | return 0x12; | |
5354 | case ROCKSDB_NAMESPACE::Histograms::DB_SEEK: | |
5355 | return 0x13; | |
5356 | case ROCKSDB_NAMESPACE::Histograms::WRITE_STALL: | |
5357 | return 0x14; | |
5358 | case ROCKSDB_NAMESPACE::Histograms::SST_READ_MICROS: | |
5359 | return 0x15; | |
5360 | case ROCKSDB_NAMESPACE::Histograms::NUM_SUBCOMPACTIONS_SCHEDULED: | |
5361 | return 0x16; | |
5362 | case ROCKSDB_NAMESPACE::Histograms::BYTES_PER_READ: | |
5363 | return 0x17; | |
5364 | case ROCKSDB_NAMESPACE::Histograms::BYTES_PER_WRITE: | |
5365 | return 0x18; | |
5366 | case ROCKSDB_NAMESPACE::Histograms::BYTES_PER_MULTIGET: | |
5367 | return 0x19; | |
5368 | case ROCKSDB_NAMESPACE::Histograms::BYTES_COMPRESSED: | |
5369 | return 0x1A; | |
5370 | case ROCKSDB_NAMESPACE::Histograms::BYTES_DECOMPRESSED: | |
5371 | return 0x1B; | |
5372 | case ROCKSDB_NAMESPACE::Histograms::COMPRESSION_TIMES_NANOS: | |
5373 | return 0x1C; | |
5374 | case ROCKSDB_NAMESPACE::Histograms::DECOMPRESSION_TIMES_NANOS: | |
5375 | return 0x1D; | |
5376 | case ROCKSDB_NAMESPACE::Histograms::READ_NUM_MERGE_OPERANDS: | |
5377 | return 0x1E; | |
5378 | // 0x20 to skip 0x1F so TICKER_ENUM_MAX remains unchanged for minor version compatibility. | |
5379 | case ROCKSDB_NAMESPACE::Histograms::FLUSH_TIME: | |
5380 | return 0x20; | |
5381 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_KEY_SIZE: | |
5382 | return 0x21; | |
5383 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_VALUE_SIZE: | |
5384 | return 0x22; | |
5385 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_WRITE_MICROS: | |
5386 | return 0x23; | |
5387 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_GET_MICROS: | |
5388 | return 0x24; | |
5389 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_MULTIGET_MICROS: | |
5390 | return 0x25; | |
5391 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_SEEK_MICROS: | |
5392 | return 0x26; | |
5393 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_NEXT_MICROS: | |
5394 | return 0x27; | |
5395 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_PREV_MICROS: | |
5396 | return 0x28; | |
5397 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_WRITE_MICROS: | |
5398 | return 0x29; | |
5399 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_READ_MICROS: | |
5400 | return 0x2A; | |
5401 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_SYNC_MICROS: | |
5402 | return 0x2B; | |
5403 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_GC_MICROS: | |
5404 | return 0x2C; | |
5405 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_COMPRESSION_MICROS: | |
5406 | return 0x2D; | |
5407 | case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_DECOMPRESSION_MICROS: | |
5408 | return 0x2E; | |
5409 | case ROCKSDB_NAMESPACE::Histograms:: | |
5410 | NUM_INDEX_AND_FILTER_BLOCKS_READ_PER_LEVEL: | |
5411 | return 0x2F; | |
5412 | case ROCKSDB_NAMESPACE::Histograms::NUM_DATA_BLOCKS_READ_PER_LEVEL: | |
5413 | return 0x30; | |
5414 | case ROCKSDB_NAMESPACE::Histograms::NUM_SST_READ_PER_LEVEL: | |
5415 | return 0x31; | |
5416 | case ROCKSDB_NAMESPACE::Histograms::HISTOGRAM_ENUM_MAX: | |
5417 | // 0x1F for backwards compatibility on current minor version. | |
5418 | return 0x1F; | |
5419 | ||
5420 | default: | |
5421 | // undefined/default | |
5422 | return 0x0; | |
5423 | } | |
5424 | } | |
5425 | ||
5426 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::Histograms enum for the | |
5427 | // provided Java org.rocksdb.HistogramsType | |
5428 | static ROCKSDB_NAMESPACE::Histograms toCppHistograms(jbyte jhistograms_type) { | |
5429 | switch(jhistograms_type) { | |
5430 | case 0x0: | |
5431 | return ROCKSDB_NAMESPACE::Histograms::DB_GET; | |
5432 | case 0x1: | |
5433 | return ROCKSDB_NAMESPACE::Histograms::DB_WRITE; | |
5434 | case 0x2: | |
5435 | return ROCKSDB_NAMESPACE::Histograms::COMPACTION_TIME; | |
5436 | case 0x3: | |
5437 | return ROCKSDB_NAMESPACE::Histograms::SUBCOMPACTION_SETUP_TIME; | |
5438 | case 0x4: | |
5439 | return ROCKSDB_NAMESPACE::Histograms::TABLE_SYNC_MICROS; | |
5440 | case 0x5: | |
5441 | return ROCKSDB_NAMESPACE::Histograms::COMPACTION_OUTFILE_SYNC_MICROS; | |
5442 | case 0x6: | |
5443 | return ROCKSDB_NAMESPACE::Histograms::WAL_FILE_SYNC_MICROS; | |
5444 | case 0x7: | |
5445 | return ROCKSDB_NAMESPACE::Histograms::MANIFEST_FILE_SYNC_MICROS; | |
5446 | case 0x8: | |
5447 | return ROCKSDB_NAMESPACE::Histograms::TABLE_OPEN_IO_MICROS; | |
5448 | case 0x9: | |
5449 | return ROCKSDB_NAMESPACE::Histograms::DB_MULTIGET; | |
5450 | case 0xA: | |
5451 | return ROCKSDB_NAMESPACE::Histograms::READ_BLOCK_COMPACTION_MICROS; | |
5452 | case 0xB: | |
5453 | return ROCKSDB_NAMESPACE::Histograms::READ_BLOCK_GET_MICROS; | |
5454 | case 0xC: | |
5455 | return ROCKSDB_NAMESPACE::Histograms::WRITE_RAW_BLOCK_MICROS; | |
5456 | case 0xD: | |
5457 | return ROCKSDB_NAMESPACE::Histograms::STALL_L0_SLOWDOWN_COUNT; | |
5458 | case 0xE: | |
5459 | return ROCKSDB_NAMESPACE::Histograms::STALL_MEMTABLE_COMPACTION_COUNT; | |
5460 | case 0xF: | |
5461 | return ROCKSDB_NAMESPACE::Histograms::STALL_L0_NUM_FILES_COUNT; | |
5462 | case 0x10: | |
5463 | return ROCKSDB_NAMESPACE::Histograms::HARD_RATE_LIMIT_DELAY_COUNT; | |
5464 | case 0x11: | |
5465 | return ROCKSDB_NAMESPACE::Histograms::SOFT_RATE_LIMIT_DELAY_COUNT; | |
5466 | case 0x12: | |
5467 | return ROCKSDB_NAMESPACE::Histograms::NUM_FILES_IN_SINGLE_COMPACTION; | |
5468 | case 0x13: | |
5469 | return ROCKSDB_NAMESPACE::Histograms::DB_SEEK; | |
5470 | case 0x14: | |
5471 | return ROCKSDB_NAMESPACE::Histograms::WRITE_STALL; | |
5472 | case 0x15: | |
5473 | return ROCKSDB_NAMESPACE::Histograms::SST_READ_MICROS; | |
5474 | case 0x16: | |
5475 | return ROCKSDB_NAMESPACE::Histograms::NUM_SUBCOMPACTIONS_SCHEDULED; | |
5476 | case 0x17: | |
5477 | return ROCKSDB_NAMESPACE::Histograms::BYTES_PER_READ; | |
5478 | case 0x18: | |
5479 | return ROCKSDB_NAMESPACE::Histograms::BYTES_PER_WRITE; | |
5480 | case 0x19: | |
5481 | return ROCKSDB_NAMESPACE::Histograms::BYTES_PER_MULTIGET; | |
5482 | case 0x1A: | |
5483 | return ROCKSDB_NAMESPACE::Histograms::BYTES_COMPRESSED; | |
5484 | case 0x1B: | |
5485 | return ROCKSDB_NAMESPACE::Histograms::BYTES_DECOMPRESSED; | |
5486 | case 0x1C: | |
5487 | return ROCKSDB_NAMESPACE::Histograms::COMPRESSION_TIMES_NANOS; | |
5488 | case 0x1D: | |
5489 | return ROCKSDB_NAMESPACE::Histograms::DECOMPRESSION_TIMES_NANOS; | |
5490 | case 0x1E: | |
5491 | return ROCKSDB_NAMESPACE::Histograms::READ_NUM_MERGE_OPERANDS; | |
5492 | // 0x20 to skip 0x1F so TICKER_ENUM_MAX remains unchanged for minor version compatibility. | |
5493 | case 0x20: | |
5494 | return ROCKSDB_NAMESPACE::Histograms::FLUSH_TIME; | |
5495 | case 0x21: | |
5496 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_KEY_SIZE; | |
5497 | case 0x22: | |
5498 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_VALUE_SIZE; | |
5499 | case 0x23: | |
5500 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_WRITE_MICROS; | |
5501 | case 0x24: | |
5502 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_GET_MICROS; | |
5503 | case 0x25: | |
5504 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_MULTIGET_MICROS; | |
5505 | case 0x26: | |
5506 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_SEEK_MICROS; | |
5507 | case 0x27: | |
5508 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_NEXT_MICROS; | |
5509 | case 0x28: | |
5510 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_PREV_MICROS; | |
5511 | case 0x29: | |
5512 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_WRITE_MICROS; | |
5513 | case 0x2A: | |
5514 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_READ_MICROS; | |
5515 | case 0x2B: | |
5516 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_SYNC_MICROS; | |
5517 | case 0x2C: | |
5518 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_GC_MICROS; | |
5519 | case 0x2D: | |
5520 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_COMPRESSION_MICROS; | |
5521 | case 0x2E: | |
5522 | return ROCKSDB_NAMESPACE::Histograms::BLOB_DB_DECOMPRESSION_MICROS; | |
5523 | case 0x2F: | |
5524 | return ROCKSDB_NAMESPACE::Histograms:: | |
5525 | NUM_INDEX_AND_FILTER_BLOCKS_READ_PER_LEVEL; | |
5526 | case 0x30: | |
5527 | return ROCKSDB_NAMESPACE::Histograms::NUM_DATA_BLOCKS_READ_PER_LEVEL; | |
5528 | case 0x31: | |
5529 | return ROCKSDB_NAMESPACE::Histograms::NUM_SST_READ_PER_LEVEL; | |
5530 | case 0x1F: | |
5531 | // 0x1F for backwards compatibility on current minor version. | |
5532 | return ROCKSDB_NAMESPACE::Histograms::HISTOGRAM_ENUM_MAX; | |
5533 | ||
5534 | default: | |
5535 | // undefined/default | |
5536 | return ROCKSDB_NAMESPACE::Histograms::DB_GET; | |
5537 | } | |
5538 | } | |
5539 | }; | |
5540 | ||
5541 | // The portal class for org.rocksdb.StatsLevel | |
5542 | class StatsLevelJni { | |
5543 | public: | |
5544 | // Returns the equivalent org.rocksdb.StatsLevel for the provided | |
5545 | // C++ ROCKSDB_NAMESPACE::StatsLevel enum | |
5546 | static jbyte toJavaStatsLevel( | |
5547 | const ROCKSDB_NAMESPACE::StatsLevel& stats_level) { | |
5548 | switch(stats_level) { | |
5549 | case ROCKSDB_NAMESPACE::StatsLevel::kExceptDetailedTimers: | |
5550 | return 0x0; | |
5551 | case ROCKSDB_NAMESPACE::StatsLevel::kExceptTimeForMutex: | |
5552 | return 0x1; | |
5553 | case ROCKSDB_NAMESPACE::StatsLevel::kAll: | |
5554 | return 0x2; | |
5555 | ||
5556 | default: | |
5557 | // undefined/default | |
5558 | return 0x0; | |
5559 | } | |
5560 | } | |
5561 | ||
5562 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::StatsLevel enum for the | |
5563 | // provided Java org.rocksdb.StatsLevel | |
5564 | static ROCKSDB_NAMESPACE::StatsLevel toCppStatsLevel(jbyte jstats_level) { | |
5565 | switch(jstats_level) { | |
5566 | case 0x0: | |
5567 | return ROCKSDB_NAMESPACE::StatsLevel::kExceptDetailedTimers; | |
5568 | case 0x1: | |
5569 | return ROCKSDB_NAMESPACE::StatsLevel::kExceptTimeForMutex; | |
5570 | case 0x2: | |
5571 | return ROCKSDB_NAMESPACE::StatsLevel::kAll; | |
5572 | ||
5573 | default: | |
5574 | // undefined/default | |
5575 | return ROCKSDB_NAMESPACE::StatsLevel::kExceptDetailedTimers; | |
5576 | } | |
5577 | } | |
5578 | }; | |
5579 | ||
5580 | // The portal class for org.rocksdb.RateLimiterMode | |
5581 | class RateLimiterModeJni { | |
5582 | public: | |
5583 | // Returns the equivalent org.rocksdb.RateLimiterMode for the provided | |
5584 | // C++ ROCKSDB_NAMESPACE::RateLimiter::Mode enum | |
5585 | static jbyte toJavaRateLimiterMode( | |
5586 | const ROCKSDB_NAMESPACE::RateLimiter::Mode& rate_limiter_mode) { | |
5587 | switch(rate_limiter_mode) { | |
5588 | case ROCKSDB_NAMESPACE::RateLimiter::Mode::kReadsOnly: | |
5589 | return 0x0; | |
5590 | case ROCKSDB_NAMESPACE::RateLimiter::Mode::kWritesOnly: | |
5591 | return 0x1; | |
5592 | case ROCKSDB_NAMESPACE::RateLimiter::Mode::kAllIo: | |
5593 | return 0x2; | |
5594 | ||
5595 | default: | |
5596 | // undefined/default | |
5597 | return 0x1; | |
5598 | } | |
5599 | } | |
5600 | ||
5601 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::RateLimiter::Mode enum for | |
5602 | // the provided Java org.rocksdb.RateLimiterMode | |
5603 | static ROCKSDB_NAMESPACE::RateLimiter::Mode toCppRateLimiterMode( | |
5604 | jbyte jrate_limiter_mode) { | |
5605 | switch(jrate_limiter_mode) { | |
5606 | case 0x0: | |
5607 | return ROCKSDB_NAMESPACE::RateLimiter::Mode::kReadsOnly; | |
5608 | case 0x1: | |
5609 | return ROCKSDB_NAMESPACE::RateLimiter::Mode::kWritesOnly; | |
5610 | case 0x2: | |
5611 | return ROCKSDB_NAMESPACE::RateLimiter::Mode::kAllIo; | |
5612 | ||
5613 | default: | |
5614 | // undefined/default | |
5615 | return ROCKSDB_NAMESPACE::RateLimiter::Mode::kWritesOnly; | |
5616 | } | |
5617 | } | |
5618 | }; | |
5619 | ||
5620 | // The portal class for org.rocksdb.MemoryUsageType | |
5621 | class MemoryUsageTypeJni { | |
5622 | public: | |
5623 | // Returns the equivalent org.rocksdb.MemoryUsageType for the provided | |
5624 | // C++ ROCKSDB_NAMESPACE::MemoryUtil::UsageType enum | |
5625 | static jbyte toJavaMemoryUsageType( | |
5626 | const ROCKSDB_NAMESPACE::MemoryUtil::UsageType& usage_type) { | |
5627 | switch (usage_type) { | |
5628 | case ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kMemTableTotal: | |
5629 | return 0x0; | |
5630 | case ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kMemTableUnFlushed: | |
5631 | return 0x1; | |
5632 | case ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kTableReadersTotal: | |
5633 | return 0x2; | |
5634 | case ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kCacheTotal: | |
5635 | return 0x3; | |
5636 | default: | |
5637 | // undefined: use kNumUsageTypes | |
5638 | return 0x4; | |
5639 | } | |
5640 | } | |
5641 | ||
5642 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::MemoryUtil::UsageType enum for | |
5643 | // the provided Java org.rocksdb.MemoryUsageType | |
5644 | static ROCKSDB_NAMESPACE::MemoryUtil::UsageType toCppMemoryUsageType( | |
5645 | jbyte usage_type) { | |
5646 | switch (usage_type) { | |
5647 | case 0x0: | |
5648 | return ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kMemTableTotal; | |
5649 | case 0x1: | |
5650 | return ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kMemTableUnFlushed; | |
5651 | case 0x2: | |
5652 | return ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kTableReadersTotal; | |
5653 | case 0x3: | |
5654 | return ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kCacheTotal; | |
5655 | default: | |
5656 | // undefined/default: use kNumUsageTypes | |
5657 | return ROCKSDB_NAMESPACE::MemoryUtil::UsageType::kNumUsageTypes; | |
5658 | } | |
5659 | } | |
5660 | }; | |
5661 | ||
5662 | // The portal class for org.rocksdb.Transaction | |
5663 | class TransactionJni : public JavaClass { | |
5664 | public: | |
5665 | /** | |
5666 | * Get the Java Class org.rocksdb.Transaction | |
5667 | * | |
5668 | * @param env A pointer to the Java environment | |
5669 | * | |
5670 | * @return The Java Class or nullptr if one of the | |
5671 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
5672 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
5673 | */ | |
5674 | static jclass getJClass(JNIEnv* env) { | |
5675 | return JavaClass::getJClass(env, | |
5676 | "org/rocksdb/Transaction"); | |
5677 | } | |
5678 | ||
5679 | /** | |
5680 | * Create a new Java org.rocksdb.Transaction.WaitingTransactions object | |
5681 | * | |
5682 | * @param env A pointer to the Java environment | |
5683 | * @param jtransaction A Java org.rocksdb.Transaction object | |
5684 | * @param column_family_id The id of the column family | |
5685 | * @param key The key | |
5686 | * @param transaction_ids The transaction ids | |
5687 | * | |
5688 | * @return A reference to a Java | |
5689 | * org.rocksdb.Transaction.WaitingTransactions object, | |
5690 | * or nullptr if an an exception occurs | |
5691 | */ | |
5692 | static jobject newWaitingTransactions(JNIEnv* env, jobject jtransaction, | |
5693 | const uint32_t column_family_id, const std::string &key, | |
5694 | const std::vector<TransactionID> &transaction_ids) { | |
5695 | jclass jclazz = getJClass(env); | |
5696 | if(jclazz == nullptr) { | |
5697 | // exception occurred accessing class | |
5698 | return nullptr; | |
5699 | } | |
5700 | ||
5701 | jmethodID mid = env->GetMethodID( | |
5702 | jclazz, "newWaitingTransactions", "(JLjava/lang/String;[J)Lorg/rocksdb/Transaction$WaitingTransactions;"); | |
5703 | if(mid == nullptr) { | |
5704 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
5705 | return nullptr; | |
5706 | } | |
5707 | ||
5708 | jstring jkey = env->NewStringUTF(key.c_str()); | |
5709 | if(jkey == nullptr) { | |
5710 | // exception thrown: OutOfMemoryError | |
5711 | return nullptr; | |
5712 | } | |
5713 | ||
5714 | const size_t len = transaction_ids.size(); | |
5715 | jlongArray jtransaction_ids = env->NewLongArray(static_cast<jsize>(len)); | |
5716 | if(jtransaction_ids == nullptr) { | |
5717 | // exception thrown: OutOfMemoryError | |
5718 | env->DeleteLocalRef(jkey); | |
5719 | return nullptr; | |
5720 | } | |
5721 | ||
5722 | jboolean is_copy; | |
5723 | jlong* body = env->GetLongArrayElements(jtransaction_ids, &is_copy); | |
5724 | if(body == nullptr) { | |
5725 | // exception thrown: OutOfMemoryError | |
5726 | env->DeleteLocalRef(jkey); | |
5727 | env->DeleteLocalRef(jtransaction_ids); | |
5728 | return nullptr; | |
5729 | } | |
5730 | for(size_t i = 0; i < len; ++i) { | |
5731 | body[i] = static_cast<jlong>(transaction_ids[i]); | |
5732 | } | |
5733 | env->ReleaseLongArrayElements(jtransaction_ids, body, | |
5734 | is_copy == JNI_TRUE ? 0 : JNI_ABORT); | |
5735 | ||
5736 | jobject jwaiting_transactions = env->CallObjectMethod(jtransaction, | |
5737 | mid, static_cast<jlong>(column_family_id), jkey, jtransaction_ids); | |
5738 | if(env->ExceptionCheck()) { | |
5739 | // exception thrown: InstantiationException or OutOfMemoryError | |
5740 | env->DeleteLocalRef(jkey); | |
5741 | env->DeleteLocalRef(jtransaction_ids); | |
5742 | return nullptr; | |
5743 | } | |
5744 | ||
5745 | return jwaiting_transactions; | |
5746 | } | |
5747 | }; | |
5748 | ||
5749 | // The portal class for org.rocksdb.TransactionDB | |
5750 | class TransactionDBJni : public JavaClass { | |
5751 | public: | |
5752 | /** | |
5753 | * Get the Java Class org.rocksdb.TransactionDB | |
5754 | * | |
5755 | * @param env A pointer to the Java environment | |
5756 | * | |
5757 | * @return The Java Class or nullptr if one of the | |
5758 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
5759 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
5760 | */ | |
5761 | static jclass getJClass(JNIEnv* env) { | |
5762 | return JavaClass::getJClass(env, | |
5763 | "org/rocksdb/TransactionDB"); | |
5764 | } | |
5765 | ||
5766 | /** | |
5767 | * Create a new Java org.rocksdb.TransactionDB.DeadlockInfo object | |
5768 | * | |
5769 | * @param env A pointer to the Java environment | |
5770 | * @param jtransaction A Java org.rocksdb.Transaction object | |
5771 | * @param column_family_id The id of the column family | |
5772 | * @param key The key | |
5773 | * @param transaction_ids The transaction ids | |
5774 | * | |
5775 | * @return A reference to a Java | |
5776 | * org.rocksdb.Transaction.WaitingTransactions object, | |
5777 | * or nullptr if an an exception occurs | |
5778 | */ | |
5779 | static jobject newDeadlockInfo( | |
5780 | JNIEnv* env, jobject jtransaction_db, | |
5781 | const ROCKSDB_NAMESPACE::TransactionID transaction_id, | |
5782 | const uint32_t column_family_id, const std::string& waiting_key, | |
5783 | const bool exclusive) { | |
5784 | jclass jclazz = getJClass(env); | |
5785 | if(jclazz == nullptr) { | |
5786 | // exception occurred accessing class | |
5787 | return nullptr; | |
5788 | } | |
5789 | ||
5790 | jmethodID mid = env->GetMethodID( | |
5791 | jclazz, "newDeadlockInfo", "(JJLjava/lang/String;Z)Lorg/rocksdb/TransactionDB$DeadlockInfo;"); | |
5792 | if(mid == nullptr) { | |
5793 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
5794 | return nullptr; | |
5795 | } | |
5796 | ||
5797 | jstring jwaiting_key = env->NewStringUTF(waiting_key.c_str()); | |
5798 | if(jwaiting_key == nullptr) { | |
5799 | // exception thrown: OutOfMemoryError | |
5800 | return nullptr; | |
5801 | } | |
5802 | ||
5803 | // resolve the column family id to a ColumnFamilyHandle | |
5804 | jobject jdeadlock_info = env->CallObjectMethod(jtransaction_db, | |
5805 | mid, transaction_id, static_cast<jlong>(column_family_id), | |
5806 | jwaiting_key, exclusive); | |
5807 | if(env->ExceptionCheck()) { | |
5808 | // exception thrown: InstantiationException or OutOfMemoryError | |
5809 | env->DeleteLocalRef(jwaiting_key); | |
5810 | return nullptr; | |
5811 | } | |
5812 | ||
5813 | return jdeadlock_info; | |
5814 | } | |
5815 | }; | |
5816 | ||
5817 | // The portal class for org.rocksdb.TxnDBWritePolicy | |
5818 | class TxnDBWritePolicyJni { | |
5819 | public: | |
5820 | // Returns the equivalent org.rocksdb.TxnDBWritePolicy for the provided | |
5821 | // C++ ROCKSDB_NAMESPACE::TxnDBWritePolicy enum | |
5822 | static jbyte toJavaTxnDBWritePolicy( | |
5823 | const ROCKSDB_NAMESPACE::TxnDBWritePolicy& txndb_write_policy) { | |
5824 | switch (txndb_write_policy) { | |
5825 | case ROCKSDB_NAMESPACE::TxnDBWritePolicy::WRITE_COMMITTED: | |
5826 | return 0x0; | |
5827 | case ROCKSDB_NAMESPACE::TxnDBWritePolicy::WRITE_PREPARED: | |
5828 | return 0x1; | |
5829 | case ROCKSDB_NAMESPACE::TxnDBWritePolicy::WRITE_UNPREPARED: | |
5830 | return 0x2; | |
5831 | default: | |
5832 | return 0x7F; // undefined | |
5833 | } | |
5834 | } | |
5835 | ||
5836 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::TxnDBWritePolicy enum for the | |
5837 | // provided Java org.rocksdb.TxnDBWritePolicy | |
5838 | static ROCKSDB_NAMESPACE::TxnDBWritePolicy toCppTxnDBWritePolicy( | |
5839 | jbyte jtxndb_write_policy) { | |
5840 | switch (jtxndb_write_policy) { | |
5841 | case 0x0: | |
5842 | return ROCKSDB_NAMESPACE::TxnDBWritePolicy::WRITE_COMMITTED; | |
5843 | case 0x1: | |
5844 | return ROCKSDB_NAMESPACE::TxnDBWritePolicy::WRITE_PREPARED; | |
5845 | case 0x2: | |
5846 | return ROCKSDB_NAMESPACE::TxnDBWritePolicy::WRITE_UNPREPARED; | |
5847 | default: | |
5848 | // undefined/default | |
5849 | return ROCKSDB_NAMESPACE::TxnDBWritePolicy::WRITE_COMMITTED; | |
5850 | } | |
5851 | } | |
5852 | }; | |
5853 | ||
5854 | // The portal class for org.rocksdb.TransactionDB.KeyLockInfo | |
5855 | class KeyLockInfoJni : public JavaClass { | |
5856 | public: | |
5857 | /** | |
5858 | * Get the Java Class org.rocksdb.TransactionDB.KeyLockInfo | |
5859 | * | |
5860 | * @param env A pointer to the Java environment | |
5861 | * | |
5862 | * @return The Java Class or nullptr if one of the | |
5863 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
5864 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
5865 | */ | |
5866 | static jclass getJClass(JNIEnv* env) { | |
5867 | return JavaClass::getJClass(env, | |
5868 | "org/rocksdb/TransactionDB$KeyLockInfo"); | |
5869 | } | |
5870 | ||
5871 | /** | |
5872 | * Create a new Java org.rocksdb.TransactionDB.KeyLockInfo object | |
5873 | * with the same properties as the provided C++ ROCKSDB_NAMESPACE::KeyLockInfo | |
5874 | * object | |
5875 | * | |
5876 | * @param env A pointer to the Java environment | |
5877 | * @param key_lock_info The ROCKSDB_NAMESPACE::KeyLockInfo object | |
5878 | * | |
5879 | * @return A reference to a Java | |
5880 | * org.rocksdb.TransactionDB.KeyLockInfo object, | |
5881 | * or nullptr if an an exception occurs | |
5882 | */ | |
5883 | static jobject construct( | |
5884 | JNIEnv* env, const ROCKSDB_NAMESPACE::KeyLockInfo& key_lock_info) { | |
5885 | jclass jclazz = getJClass(env); | |
5886 | if(jclazz == nullptr) { | |
5887 | // exception occurred accessing class | |
5888 | return nullptr; | |
5889 | } | |
5890 | ||
5891 | jmethodID mid = env->GetMethodID( | |
5892 | jclazz, "<init>", "(Ljava/lang/String;[JZ)V"); | |
5893 | if (mid == nullptr) { | |
5894 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
5895 | return nullptr; | |
5896 | } | |
5897 | ||
5898 | jstring jkey = env->NewStringUTF(key_lock_info.key.c_str()); | |
5899 | if (jkey == nullptr) { | |
5900 | // exception thrown: OutOfMemoryError | |
5901 | return nullptr; | |
5902 | } | |
5903 | ||
5904 | const jsize jtransaction_ids_len = static_cast<jsize>(key_lock_info.ids.size()); | |
5905 | jlongArray jtransactions_ids = env->NewLongArray(jtransaction_ids_len); | |
5906 | if (jtransactions_ids == nullptr) { | |
5907 | // exception thrown: OutOfMemoryError | |
5908 | env->DeleteLocalRef(jkey); | |
5909 | return nullptr; | |
5910 | } | |
5911 | ||
5912 | const jobject jkey_lock_info = env->NewObject(jclazz, mid, | |
5913 | jkey, jtransactions_ids, key_lock_info.exclusive); | |
5914 | if(jkey_lock_info == nullptr) { | |
5915 | // exception thrown: InstantiationException or OutOfMemoryError | |
5916 | env->DeleteLocalRef(jtransactions_ids); | |
5917 | env->DeleteLocalRef(jkey); | |
5918 | return nullptr; | |
5919 | } | |
5920 | ||
5921 | return jkey_lock_info; | |
5922 | } | |
5923 | }; | |
5924 | ||
5925 | // The portal class for org.rocksdb.TransactionDB.DeadlockInfo | |
5926 | class DeadlockInfoJni : public JavaClass { | |
5927 | public: | |
5928 | /** | |
5929 | * Get the Java Class org.rocksdb.TransactionDB.DeadlockInfo | |
5930 | * | |
5931 | * @param env A pointer to the Java environment | |
5932 | * | |
5933 | * @return The Java Class or nullptr if one of the | |
5934 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
5935 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
5936 | */ | |
5937 | static jclass getJClass(JNIEnv* env) { | |
5938 | return JavaClass::getJClass(env,"org/rocksdb/TransactionDB$DeadlockInfo"); | |
5939 | } | |
5940 | }; | |
5941 | ||
5942 | // The portal class for org.rocksdb.TransactionDB.DeadlockPath | |
5943 | class DeadlockPathJni : public JavaClass { | |
5944 | public: | |
5945 | /** | |
5946 | * Get the Java Class org.rocksdb.TransactionDB.DeadlockPath | |
5947 | * | |
5948 | * @param env A pointer to the Java environment | |
5949 | * | |
5950 | * @return The Java Class or nullptr if one of the | |
5951 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
5952 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
5953 | */ | |
5954 | static jclass getJClass(JNIEnv* env) { | |
5955 | return JavaClass::getJClass(env, | |
5956 | "org/rocksdb/TransactionDB$DeadlockPath"); | |
5957 | } | |
5958 | ||
5959 | /** | |
5960 | * Create a new Java org.rocksdb.TransactionDB.DeadlockPath object | |
5961 | * | |
5962 | * @param env A pointer to the Java environment | |
5963 | * | |
5964 | * @return A reference to a Java | |
5965 | * org.rocksdb.TransactionDB.DeadlockPath object, | |
5966 | * or nullptr if an an exception occurs | |
5967 | */ | |
5968 | static jobject construct(JNIEnv* env, | |
5969 | const jobjectArray jdeadlock_infos, const bool limit_exceeded) { | |
5970 | jclass jclazz = getJClass(env); | |
5971 | if(jclazz == nullptr) { | |
5972 | // exception occurred accessing class | |
5973 | return nullptr; | |
5974 | } | |
5975 | ||
5976 | jmethodID mid = env->GetMethodID( | |
5977 | jclazz, "<init>", "([LDeadlockInfo;Z)V"); | |
5978 | if (mid == nullptr) { | |
5979 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
5980 | return nullptr; | |
5981 | } | |
5982 | ||
5983 | const jobject jdeadlock_path = env->NewObject(jclazz, mid, | |
5984 | jdeadlock_infos, limit_exceeded); | |
5985 | if(jdeadlock_path == nullptr) { | |
5986 | // exception thrown: InstantiationException or OutOfMemoryError | |
5987 | return nullptr; | |
5988 | } | |
5989 | ||
5990 | return jdeadlock_path; | |
5991 | } | |
5992 | }; | |
5993 | ||
5994 | class AbstractTableFilterJni | |
5995 | : public RocksDBNativeClass< | |
5996 | const ROCKSDB_NAMESPACE::TableFilterJniCallback*, | |
5997 | AbstractTableFilterJni> { | |
5998 | public: | |
5999 | /** | |
6000 | * Get the Java Method: TableFilter#filter(TableProperties) | |
6001 | * | |
6002 | * @param env A pointer to the Java environment | |
6003 | * | |
6004 | * @return The Java Method ID or nullptr if the class or method id could not | |
6005 | * be retrieved | |
6006 | */ | |
6007 | static jmethodID getFilterMethod(JNIEnv* env) { | |
6008 | jclass jclazz = getJClass(env); | |
6009 | if(jclazz == nullptr) { | |
6010 | // exception occurred accessing class | |
6011 | return nullptr; | |
6012 | } | |
6013 | ||
6014 | static jmethodID mid = | |
6015 | env->GetMethodID(jclazz, "filter", "(Lorg/rocksdb/TableProperties;)Z"); | |
6016 | assert(mid != nullptr); | |
6017 | return mid; | |
6018 | } | |
6019 | ||
6020 | private: | |
6021 | static jclass getJClass(JNIEnv* env) { | |
6022 | return JavaClass::getJClass(env, "org/rocksdb/TableFilter"); | |
6023 | } | |
6024 | }; | |
6025 | ||
6026 | class TablePropertiesJni : public JavaClass { | |
6027 | public: | |
6028 | /** | |
6029 | * Create a new Java org.rocksdb.TableProperties object. | |
6030 | * | |
6031 | * @param env A pointer to the Java environment | |
6032 | * @param table_properties A Cpp table properties object | |
6033 | * | |
6034 | * @return A reference to a Java org.rocksdb.TableProperties object, or | |
6035 | * nullptr if an an exception occurs | |
6036 | */ | |
6037 | static jobject fromCppTableProperties( | |
6038 | JNIEnv* env, const ROCKSDB_NAMESPACE::TableProperties& table_properties) { | |
6039 | jclass jclazz = getJClass(env); | |
6040 | if (jclazz == nullptr) { | |
6041 | // exception occurred accessing class | |
6042 | return nullptr; | |
6043 | } | |
6044 | ||
6045 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(JJJJJJJJJJJJJJJJJJJ[BLjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/util/Map;Ljava/util/Map;Ljava/util/Map;)V"); | |
6046 | if (mid == nullptr) { | |
6047 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
6048 | return nullptr; | |
6049 | } | |
6050 | ||
6051 | jbyteArray jcolumn_family_name = ROCKSDB_NAMESPACE::JniUtil::copyBytes( | |
6052 | env, table_properties.column_family_name); | |
6053 | if (jcolumn_family_name == nullptr) { | |
6054 | // exception occurred creating java string | |
6055 | return nullptr; | |
6056 | } | |
6057 | ||
6058 | jstring jfilter_policy_name = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
6059 | env, &table_properties.filter_policy_name, true); | |
6060 | if (env->ExceptionCheck()) { | |
6061 | // exception occurred creating java string | |
6062 | env->DeleteLocalRef(jcolumn_family_name); | |
6063 | return nullptr; | |
6064 | } | |
6065 | ||
6066 | jstring jcomparator_name = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
6067 | env, &table_properties.comparator_name, true); | |
6068 | if (env->ExceptionCheck()) { | |
6069 | // exception occurred creating java string | |
6070 | env->DeleteLocalRef(jcolumn_family_name); | |
6071 | env->DeleteLocalRef(jfilter_policy_name); | |
6072 | return nullptr; | |
6073 | } | |
6074 | ||
6075 | jstring jmerge_operator_name = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
6076 | env, &table_properties.merge_operator_name, true); | |
6077 | if (env->ExceptionCheck()) { | |
6078 | // exception occurred creating java string | |
6079 | env->DeleteLocalRef(jcolumn_family_name); | |
6080 | env->DeleteLocalRef(jfilter_policy_name); | |
6081 | env->DeleteLocalRef(jcomparator_name); | |
6082 | return nullptr; | |
6083 | } | |
6084 | ||
6085 | jstring jprefix_extractor_name = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
6086 | env, &table_properties.prefix_extractor_name, true); | |
6087 | if (env->ExceptionCheck()) { | |
6088 | // exception occurred creating java string | |
6089 | env->DeleteLocalRef(jcolumn_family_name); | |
6090 | env->DeleteLocalRef(jfilter_policy_name); | |
6091 | env->DeleteLocalRef(jcomparator_name); | |
6092 | env->DeleteLocalRef(jmerge_operator_name); | |
6093 | return nullptr; | |
6094 | } | |
6095 | ||
6096 | jstring jproperty_collectors_names = | |
6097 | ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
6098 | env, &table_properties.property_collectors_names, true); | |
6099 | if (env->ExceptionCheck()) { | |
6100 | // exception occurred creating java string | |
6101 | env->DeleteLocalRef(jcolumn_family_name); | |
6102 | env->DeleteLocalRef(jfilter_policy_name); | |
6103 | env->DeleteLocalRef(jcomparator_name); | |
6104 | env->DeleteLocalRef(jmerge_operator_name); | |
6105 | env->DeleteLocalRef(jprefix_extractor_name); | |
6106 | return nullptr; | |
6107 | } | |
6108 | ||
6109 | jstring jcompression_name = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
6110 | env, &table_properties.compression_name, true); | |
6111 | if (env->ExceptionCheck()) { | |
6112 | // exception occurred creating java string | |
6113 | env->DeleteLocalRef(jcolumn_family_name); | |
6114 | env->DeleteLocalRef(jfilter_policy_name); | |
6115 | env->DeleteLocalRef(jcomparator_name); | |
6116 | env->DeleteLocalRef(jmerge_operator_name); | |
6117 | env->DeleteLocalRef(jprefix_extractor_name); | |
6118 | env->DeleteLocalRef(jproperty_collectors_names); | |
6119 | return nullptr; | |
6120 | } | |
6121 | ||
6122 | // Map<String, String> | |
6123 | jobject juser_collected_properties = | |
6124 | ROCKSDB_NAMESPACE::HashMapJni::fromCppMap( | |
6125 | env, &table_properties.user_collected_properties); | |
6126 | if (env->ExceptionCheck()) { | |
6127 | // exception occurred creating java map | |
6128 | env->DeleteLocalRef(jcolumn_family_name); | |
6129 | env->DeleteLocalRef(jfilter_policy_name); | |
6130 | env->DeleteLocalRef(jcomparator_name); | |
6131 | env->DeleteLocalRef(jmerge_operator_name); | |
6132 | env->DeleteLocalRef(jprefix_extractor_name); | |
6133 | env->DeleteLocalRef(jproperty_collectors_names); | |
6134 | env->DeleteLocalRef(jcompression_name); | |
6135 | return nullptr; | |
6136 | } | |
6137 | ||
6138 | // Map<String, String> | |
6139 | jobject jreadable_properties = ROCKSDB_NAMESPACE::HashMapJni::fromCppMap( | |
6140 | env, &table_properties.readable_properties); | |
6141 | if (env->ExceptionCheck()) { | |
6142 | // exception occurred creating java map | |
6143 | env->DeleteLocalRef(jcolumn_family_name); | |
6144 | env->DeleteLocalRef(jfilter_policy_name); | |
6145 | env->DeleteLocalRef(jcomparator_name); | |
6146 | env->DeleteLocalRef(jmerge_operator_name); | |
6147 | env->DeleteLocalRef(jprefix_extractor_name); | |
6148 | env->DeleteLocalRef(jproperty_collectors_names); | |
6149 | env->DeleteLocalRef(jcompression_name); | |
6150 | env->DeleteLocalRef(juser_collected_properties); | |
6151 | return nullptr; | |
6152 | } | |
6153 | ||
6154 | // Map<String, Long> | |
6155 | jobject jproperties_offsets = ROCKSDB_NAMESPACE::HashMapJni::fromCppMap( | |
6156 | env, &table_properties.properties_offsets); | |
6157 | if (env->ExceptionCheck()) { | |
6158 | // exception occurred creating java map | |
6159 | env->DeleteLocalRef(jcolumn_family_name); | |
6160 | env->DeleteLocalRef(jfilter_policy_name); | |
6161 | env->DeleteLocalRef(jcomparator_name); | |
6162 | env->DeleteLocalRef(jmerge_operator_name); | |
6163 | env->DeleteLocalRef(jprefix_extractor_name); | |
6164 | env->DeleteLocalRef(jproperty_collectors_names); | |
6165 | env->DeleteLocalRef(jcompression_name); | |
6166 | env->DeleteLocalRef(juser_collected_properties); | |
6167 | env->DeleteLocalRef(jreadable_properties); | |
6168 | return nullptr; | |
6169 | } | |
6170 | ||
6171 | jobject jtable_properties = env->NewObject(jclazz, mid, | |
6172 | static_cast<jlong>(table_properties.data_size), | |
6173 | static_cast<jlong>(table_properties.index_size), | |
6174 | static_cast<jlong>(table_properties.index_partitions), | |
6175 | static_cast<jlong>(table_properties.top_level_index_size), | |
6176 | static_cast<jlong>(table_properties.index_key_is_user_key), | |
6177 | static_cast<jlong>(table_properties.index_value_is_delta_encoded), | |
6178 | static_cast<jlong>(table_properties.filter_size), | |
6179 | static_cast<jlong>(table_properties.raw_key_size), | |
6180 | static_cast<jlong>(table_properties.raw_value_size), | |
6181 | static_cast<jlong>(table_properties.num_data_blocks), | |
6182 | static_cast<jlong>(table_properties.num_entries), | |
6183 | static_cast<jlong>(table_properties.num_deletions), | |
6184 | static_cast<jlong>(table_properties.num_merge_operands), | |
6185 | static_cast<jlong>(table_properties.num_range_deletions), | |
6186 | static_cast<jlong>(table_properties.format_version), | |
6187 | static_cast<jlong>(table_properties.fixed_key_len), | |
6188 | static_cast<jlong>(table_properties.column_family_id), | |
6189 | static_cast<jlong>(table_properties.creation_time), | |
6190 | static_cast<jlong>(table_properties.oldest_key_time), | |
6191 | jcolumn_family_name, | |
6192 | jfilter_policy_name, | |
6193 | jcomparator_name, | |
6194 | jmerge_operator_name, | |
6195 | jprefix_extractor_name, | |
6196 | jproperty_collectors_names, | |
6197 | jcompression_name, | |
6198 | juser_collected_properties, | |
6199 | jreadable_properties, | |
6200 | jproperties_offsets | |
6201 | ); | |
6202 | ||
6203 | if (env->ExceptionCheck()) { | |
6204 | return nullptr; | |
6205 | } | |
6206 | ||
6207 | return jtable_properties; | |
6208 | } | |
6209 | ||
6210 | private: | |
6211 | static jclass getJClass(JNIEnv* env) { | |
6212 | return JavaClass::getJClass(env, "org/rocksdb/TableProperties"); | |
6213 | } | |
6214 | }; | |
6215 | ||
6216 | class ColumnFamilyDescriptorJni : public JavaClass { | |
6217 | public: | |
6218 | /** | |
6219 | * Get the Java Class org.rocksdb.ColumnFamilyDescriptor | |
6220 | * | |
6221 | * @param env A pointer to the Java environment | |
6222 | * | |
6223 | * @return The Java Class or nullptr if one of the | |
6224 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
6225 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
6226 | */ | |
6227 | static jclass getJClass(JNIEnv* env) { | |
6228 | return JavaClass::getJClass(env, "org/rocksdb/ColumnFamilyDescriptor"); | |
6229 | } | |
6230 | ||
6231 | /** | |
6232 | * Create a new Java org.rocksdb.ColumnFamilyDescriptor object with the same | |
6233 | * properties as the provided C++ ROCKSDB_NAMESPACE::ColumnFamilyDescriptor | |
6234 | * object | |
6235 | * | |
6236 | * @param env A pointer to the Java environment | |
6237 | * @param cfd A pointer to ROCKSDB_NAMESPACE::ColumnFamilyDescriptor object | |
6238 | * | |
6239 | * @return A reference to a Java org.rocksdb.ColumnFamilyDescriptor object, or | |
6240 | * nullptr if an an exception occurs | |
6241 | */ | |
6242 | static jobject construct(JNIEnv* env, ColumnFamilyDescriptor* cfd) { | |
6243 | jbyteArray jcf_name = JniUtil::copyBytes(env, cfd->name); | |
6244 | jobject cfopts = ColumnFamilyOptionsJni::construct(env, &(cfd->options)); | |
6245 | ||
6246 | jclass jclazz = getJClass(env); | |
6247 | if (jclazz == nullptr) { | |
6248 | // exception occurred accessing class | |
6249 | return nullptr; | |
6250 | } | |
6251 | ||
6252 | jmethodID mid = env->GetMethodID(jclazz, "<init>", | |
6253 | "([BLorg/rocksdb/ColumnFamilyOptions;)V"); | |
6254 | if (mid == nullptr) { | |
6255 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
6256 | env->DeleteLocalRef(jcf_name); | |
6257 | return nullptr; | |
6258 | } | |
6259 | ||
6260 | jobject jcfd = env->NewObject(jclazz, mid, jcf_name, cfopts); | |
6261 | if (env->ExceptionCheck()) { | |
6262 | env->DeleteLocalRef(jcf_name); | |
6263 | return nullptr; | |
6264 | } | |
6265 | ||
6266 | return jcfd; | |
6267 | } | |
6268 | ||
6269 | /** | |
6270 | * Get the Java Method: ColumnFamilyDescriptor#columnFamilyName | |
6271 | * | |
6272 | * @param env A pointer to the Java environment | |
6273 | * | |
6274 | * @return The Java Method ID or nullptr if the class or method id could not | |
6275 | * be retrieved | |
6276 | */ | |
6277 | static jmethodID getColumnFamilyNameMethod(JNIEnv* env) { | |
6278 | jclass jclazz = getJClass(env); | |
6279 | if (jclazz == nullptr) { | |
6280 | // exception occurred accessing class | |
6281 | return nullptr; | |
6282 | } | |
6283 | ||
6284 | static jmethodID mid = env->GetMethodID(jclazz, "columnFamilyName", "()[B"); | |
6285 | assert(mid != nullptr); | |
6286 | return mid; | |
6287 | } | |
6288 | ||
6289 | /** | |
6290 | * Get the Java Method: ColumnFamilyDescriptor#columnFamilyOptions | |
6291 | * | |
6292 | * @param env A pointer to the Java environment | |
6293 | * | |
6294 | * @return The Java Method ID or nullptr if the class or method id could not | |
6295 | * be retrieved | |
6296 | */ | |
6297 | static jmethodID getColumnFamilyOptionsMethod(JNIEnv* env) { | |
6298 | jclass jclazz = getJClass(env); | |
6299 | if (jclazz == nullptr) { | |
6300 | // exception occurred accessing class | |
6301 | return nullptr; | |
6302 | } | |
6303 | ||
6304 | static jmethodID mid = env->GetMethodID( | |
6305 | jclazz, "columnFamilyOptions", "()Lorg/rocksdb/ColumnFamilyOptions;"); | |
6306 | assert(mid != nullptr); | |
6307 | return mid; | |
6308 | } | |
6309 | }; | |
6310 | ||
6311 | // The portal class for org.rocksdb.IndexType | |
6312 | class IndexTypeJni { | |
6313 | public: | |
6314 | // Returns the equivalent org.rocksdb.IndexType for the provided | |
6315 | // C++ ROCKSDB_NAMESPACE::IndexType enum | |
6316 | static jbyte toJavaIndexType( | |
6317 | const ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType& index_type) { | |
6318 | switch (index_type) { | |
6319 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType::kBinarySearch: | |
6320 | return 0x0; | |
6321 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType::kHashSearch: | |
6322 | return 0x1; | |
6323 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType:: | |
6324 | kTwoLevelIndexSearch: | |
6325 | return 0x2; | |
6326 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType:: | |
6327 | kBinarySearchWithFirstKey: | |
6328 | return 0x3; | |
6329 | default: | |
6330 | return 0x7F; // undefined | |
6331 | } | |
6332 | } | |
6333 | ||
6334 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::IndexType enum for the | |
6335 | // provided Java org.rocksdb.IndexType | |
6336 | static ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType toCppIndexType( | |
6337 | jbyte jindex_type) { | |
6338 | switch (jindex_type) { | |
6339 | case 0x0: | |
6340 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType:: | |
6341 | kBinarySearch; | |
6342 | case 0x1: | |
6343 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType:: | |
6344 | kHashSearch; | |
6345 | case 0x2: | |
6346 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType:: | |
6347 | kTwoLevelIndexSearch; | |
6348 | case 0x3: | |
6349 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType:: | |
6350 | kBinarySearchWithFirstKey; | |
6351 | default: | |
6352 | // undefined/default | |
6353 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexType:: | |
6354 | kBinarySearch; | |
6355 | } | |
6356 | } | |
6357 | }; | |
6358 | ||
6359 | // The portal class for org.rocksdb.DataBlockIndexType | |
6360 | class DataBlockIndexTypeJni { | |
6361 | public: | |
6362 | // Returns the equivalent org.rocksdb.DataBlockIndexType for the provided | |
6363 | // C++ ROCKSDB_NAMESPACE::DataBlockIndexType enum | |
6364 | static jbyte toJavaDataBlockIndexType( | |
6365 | const ROCKSDB_NAMESPACE::BlockBasedTableOptions::DataBlockIndexType& | |
6366 | index_type) { | |
6367 | switch (index_type) { | |
6368 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::DataBlockIndexType:: | |
6369 | kDataBlockBinarySearch: | |
6370 | return 0x0; | |
6371 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::DataBlockIndexType:: | |
6372 | kDataBlockBinaryAndHash: | |
6373 | return 0x1; | |
6374 | default: | |
6375 | return 0x7F; // undefined | |
6376 | } | |
6377 | } | |
6378 | ||
6379 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::DataBlockIndexType enum for | |
6380 | // the provided Java org.rocksdb.DataBlockIndexType | |
6381 | static ROCKSDB_NAMESPACE::BlockBasedTableOptions::DataBlockIndexType | |
6382 | toCppDataBlockIndexType(jbyte jindex_type) { | |
6383 | switch (jindex_type) { | |
6384 | case 0x0: | |
6385 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::DataBlockIndexType:: | |
6386 | kDataBlockBinarySearch; | |
6387 | case 0x1: | |
6388 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::DataBlockIndexType:: | |
6389 | kDataBlockBinaryAndHash; | |
6390 | default: | |
6391 | // undefined/default | |
6392 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::DataBlockIndexType:: | |
6393 | kDataBlockBinarySearch; | |
6394 | } | |
6395 | } | |
6396 | }; | |
6397 | ||
6398 | // The portal class for org.rocksdb.ChecksumType | |
6399 | class ChecksumTypeJni { | |
6400 | public: | |
6401 | // Returns the equivalent org.rocksdb.ChecksumType for the provided | |
6402 | // C++ ROCKSDB_NAMESPACE::ChecksumType enum | |
6403 | static jbyte toJavaChecksumType( | |
6404 | const ROCKSDB_NAMESPACE::ChecksumType& checksum_type) { | |
6405 | switch (checksum_type) { | |
6406 | case ROCKSDB_NAMESPACE::ChecksumType::kNoChecksum: | |
6407 | return 0x0; | |
6408 | case ROCKSDB_NAMESPACE::ChecksumType::kCRC32c: | |
6409 | return 0x1; | |
6410 | case ROCKSDB_NAMESPACE::ChecksumType::kxxHash: | |
6411 | return 0x2; | |
6412 | case ROCKSDB_NAMESPACE::ChecksumType::kxxHash64: | |
6413 | return 0x3; | |
6414 | default: | |
6415 | return 0x7F; // undefined | |
6416 | } | |
6417 | } | |
6418 | ||
6419 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::ChecksumType enum for the | |
6420 | // provided Java org.rocksdb.ChecksumType | |
6421 | static ROCKSDB_NAMESPACE::ChecksumType toCppChecksumType( | |
6422 | jbyte jchecksum_type) { | |
6423 | switch (jchecksum_type) { | |
6424 | case 0x0: | |
6425 | return ROCKSDB_NAMESPACE::ChecksumType::kNoChecksum; | |
6426 | case 0x1: | |
6427 | return ROCKSDB_NAMESPACE::ChecksumType::kCRC32c; | |
6428 | case 0x2: | |
6429 | return ROCKSDB_NAMESPACE::ChecksumType::kxxHash; | |
6430 | case 0x3: | |
6431 | return ROCKSDB_NAMESPACE::ChecksumType::kxxHash64; | |
6432 | default: | |
6433 | // undefined/default | |
6434 | return ROCKSDB_NAMESPACE::ChecksumType::kCRC32c; | |
6435 | } | |
6436 | } | |
6437 | }; | |
6438 | ||
6439 | // The portal class for org.rocksdb.IndexShorteningMode | |
6440 | class IndexShorteningModeJni { | |
6441 | public: | |
6442 | // Returns the equivalent org.rocksdb.IndexShorteningMode for the provided | |
6443 | // C++ ROCKSDB_NAMESPACE::IndexShorteningMode enum | |
6444 | static jbyte toJavaIndexShorteningMode( | |
6445 | const ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode& | |
6446 | index_shortening_mode) { | |
6447 | switch (index_shortening_mode) { | |
6448 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode:: | |
6449 | kNoShortening: | |
6450 | return 0x0; | |
6451 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode:: | |
6452 | kShortenSeparators: | |
6453 | return 0x1; | |
6454 | case ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode:: | |
6455 | kShortenSeparatorsAndSuccessor: | |
6456 | return 0x2; | |
6457 | default: | |
6458 | return 0x7F; // undefined | |
6459 | } | |
6460 | } | |
6461 | ||
6462 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::IndexShorteningMode enum for | |
6463 | // the provided Java org.rocksdb.IndexShorteningMode | |
6464 | static ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode | |
6465 | toCppIndexShorteningMode(jbyte jindex_shortening_mode) { | |
6466 | switch (jindex_shortening_mode) { | |
6467 | case 0x0: | |
6468 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode:: | |
6469 | kNoShortening; | |
6470 | case 0x1: | |
6471 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode:: | |
6472 | kShortenSeparators; | |
6473 | case 0x2: | |
6474 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode:: | |
6475 | kShortenSeparatorsAndSuccessor; | |
6476 | default: | |
6477 | // undefined/default | |
6478 | return ROCKSDB_NAMESPACE::BlockBasedTableOptions::IndexShorteningMode:: | |
6479 | kShortenSeparators; | |
6480 | } | |
6481 | } | |
6482 | }; | |
6483 | ||
6484 | // The portal class for org.rocksdb.Priority | |
6485 | class PriorityJni { | |
6486 | public: | |
6487 | // Returns the equivalent org.rocksdb.Priority for the provided | |
6488 | // C++ ROCKSDB_NAMESPACE::Env::Priority enum | |
6489 | static jbyte toJavaPriority( | |
6490 | const ROCKSDB_NAMESPACE::Env::Priority& priority) { | |
6491 | switch (priority) { | |
6492 | case ROCKSDB_NAMESPACE::Env::Priority::BOTTOM: | |
6493 | return 0x0; | |
6494 | case ROCKSDB_NAMESPACE::Env::Priority::LOW: | |
6495 | return 0x1; | |
6496 | case ROCKSDB_NAMESPACE::Env::Priority::HIGH: | |
6497 | return 0x2; | |
6498 | case ROCKSDB_NAMESPACE::Env::Priority::TOTAL: | |
6499 | return 0x3; | |
6500 | default: | |
6501 | return 0x7F; // undefined | |
6502 | } | |
6503 | } | |
6504 | ||
6505 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::env::Priority enum for the | |
6506 | // provided Java org.rocksdb.Priority | |
6507 | static ROCKSDB_NAMESPACE::Env::Priority toCppPriority(jbyte jpriority) { | |
6508 | switch (jpriority) { | |
6509 | case 0x0: | |
6510 | return ROCKSDB_NAMESPACE::Env::Priority::BOTTOM; | |
6511 | case 0x1: | |
6512 | return ROCKSDB_NAMESPACE::Env::Priority::LOW; | |
6513 | case 0x2: | |
6514 | return ROCKSDB_NAMESPACE::Env::Priority::HIGH; | |
6515 | case 0x3: | |
6516 | return ROCKSDB_NAMESPACE::Env::Priority::TOTAL; | |
6517 | default: | |
6518 | // undefined/default | |
6519 | return ROCKSDB_NAMESPACE::Env::Priority::LOW; | |
6520 | } | |
6521 | } | |
6522 | }; | |
6523 | ||
6524 | // The portal class for org.rocksdb.ThreadType | |
6525 | class ThreadTypeJni { | |
6526 | public: | |
6527 | // Returns the equivalent org.rocksdb.ThreadType for the provided | |
6528 | // C++ ROCKSDB_NAMESPACE::ThreadStatus::ThreadType enum | |
6529 | static jbyte toJavaThreadType( | |
6530 | const ROCKSDB_NAMESPACE::ThreadStatus::ThreadType& thread_type) { | |
6531 | switch (thread_type) { | |
6532 | case ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::HIGH_PRIORITY: | |
6533 | return 0x0; | |
6534 | case ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::LOW_PRIORITY: | |
6535 | return 0x1; | |
6536 | case ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::USER: | |
6537 | return 0x2; | |
6538 | case ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::BOTTOM_PRIORITY: | |
6539 | return 0x3; | |
6540 | default: | |
6541 | return 0x7F; // undefined | |
6542 | } | |
6543 | } | |
6544 | ||
6545 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::ThreadStatus::ThreadType enum | |
6546 | // for the provided Java org.rocksdb.ThreadType | |
6547 | static ROCKSDB_NAMESPACE::ThreadStatus::ThreadType toCppThreadType( | |
6548 | jbyte jthread_type) { | |
6549 | switch (jthread_type) { | |
6550 | case 0x0: | |
6551 | return ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::HIGH_PRIORITY; | |
6552 | case 0x1: | |
6553 | return ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::LOW_PRIORITY; | |
6554 | case 0x2: | |
6555 | return ThreadStatus::ThreadType::USER; | |
6556 | case 0x3: | |
6557 | return ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::BOTTOM_PRIORITY; | |
6558 | default: | |
6559 | // undefined/default | |
6560 | return ROCKSDB_NAMESPACE::ThreadStatus::ThreadType::LOW_PRIORITY; | |
6561 | } | |
6562 | } | |
6563 | }; | |
6564 | ||
6565 | // The portal class for org.rocksdb.OperationType | |
6566 | class OperationTypeJni { | |
6567 | public: | |
6568 | // Returns the equivalent org.rocksdb.OperationType for the provided | |
6569 | // C++ ROCKSDB_NAMESPACE::ThreadStatus::OperationType enum | |
6570 | static jbyte toJavaOperationType( | |
6571 | const ROCKSDB_NAMESPACE::ThreadStatus::OperationType& operation_type) { | |
6572 | switch (operation_type) { | |
6573 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationType::OP_UNKNOWN: | |
6574 | return 0x0; | |
6575 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationType::OP_COMPACTION: | |
6576 | return 0x1; | |
6577 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationType::OP_FLUSH: | |
6578 | return 0x2; | |
6579 | default: | |
6580 | return 0x7F; // undefined | |
6581 | } | |
6582 | } | |
6583 | ||
6584 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::ThreadStatus::OperationType | |
6585 | // enum for the provided Java org.rocksdb.OperationType | |
6586 | static ROCKSDB_NAMESPACE::ThreadStatus::OperationType toCppOperationType( | |
6587 | jbyte joperation_type) { | |
6588 | switch (joperation_type) { | |
6589 | case 0x0: | |
6590 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationType::OP_UNKNOWN; | |
6591 | case 0x1: | |
6592 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationType::OP_COMPACTION; | |
6593 | case 0x2: | |
6594 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationType::OP_FLUSH; | |
6595 | default: | |
6596 | // undefined/default | |
6597 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationType::OP_UNKNOWN; | |
6598 | } | |
6599 | } | |
6600 | }; | |
6601 | ||
6602 | // The portal class for org.rocksdb.OperationStage | |
6603 | class OperationStageJni { | |
6604 | public: | |
6605 | // Returns the equivalent org.rocksdb.OperationStage for the provided | |
6606 | // C++ ROCKSDB_NAMESPACE::ThreadStatus::OperationStage enum | |
6607 | static jbyte toJavaOperationStage( | |
6608 | const ROCKSDB_NAMESPACE::ThreadStatus::OperationStage& operation_stage) { | |
6609 | switch (operation_stage) { | |
6610 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage::STAGE_UNKNOWN: | |
6611 | return 0x0; | |
6612 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage::STAGE_FLUSH_RUN: | |
6613 | return 0x1; | |
6614 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6615 | STAGE_FLUSH_WRITE_L0: | |
6616 | return 0x2; | |
6617 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6618 | STAGE_COMPACTION_PREPARE: | |
6619 | return 0x3; | |
6620 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6621 | STAGE_COMPACTION_RUN: | |
6622 | return 0x4; | |
6623 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6624 | STAGE_COMPACTION_PROCESS_KV: | |
6625 | return 0x5; | |
6626 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6627 | STAGE_COMPACTION_INSTALL: | |
6628 | return 0x6; | |
6629 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6630 | STAGE_COMPACTION_SYNC_FILE: | |
6631 | return 0x7; | |
6632 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6633 | STAGE_PICK_MEMTABLES_TO_FLUSH: | |
6634 | return 0x8; | |
6635 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6636 | STAGE_MEMTABLE_ROLLBACK: | |
6637 | return 0x9; | |
6638 | case ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6639 | STAGE_MEMTABLE_INSTALL_FLUSH_RESULTS: | |
6640 | return 0xA; | |
6641 | default: | |
6642 | return 0x7F; // undefined | |
6643 | } | |
6644 | } | |
6645 | ||
6646 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::ThreadStatus::OperationStage | |
6647 | // enum for the provided Java org.rocksdb.OperationStage | |
6648 | static ROCKSDB_NAMESPACE::ThreadStatus::OperationStage toCppOperationStage( | |
6649 | jbyte joperation_stage) { | |
6650 | switch (joperation_stage) { | |
6651 | case 0x0: | |
6652 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage::STAGE_UNKNOWN; | |
6653 | case 0x1: | |
6654 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage::STAGE_FLUSH_RUN; | |
6655 | case 0x2: | |
6656 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6657 | STAGE_FLUSH_WRITE_L0; | |
6658 | case 0x3: | |
6659 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6660 | STAGE_COMPACTION_PREPARE; | |
6661 | case 0x4: | |
6662 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6663 | STAGE_COMPACTION_RUN; | |
6664 | case 0x5: | |
6665 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6666 | STAGE_COMPACTION_PROCESS_KV; | |
6667 | case 0x6: | |
6668 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6669 | STAGE_COMPACTION_INSTALL; | |
6670 | case 0x7: | |
6671 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6672 | STAGE_COMPACTION_SYNC_FILE; | |
6673 | case 0x8: | |
6674 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6675 | STAGE_PICK_MEMTABLES_TO_FLUSH; | |
6676 | case 0x9: | |
6677 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6678 | STAGE_MEMTABLE_ROLLBACK; | |
6679 | case 0xA: | |
6680 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage:: | |
6681 | STAGE_MEMTABLE_INSTALL_FLUSH_RESULTS; | |
6682 | default: | |
6683 | // undefined/default | |
6684 | return ROCKSDB_NAMESPACE::ThreadStatus::OperationStage::STAGE_UNKNOWN; | |
6685 | } | |
6686 | } | |
6687 | }; | |
6688 | ||
6689 | // The portal class for org.rocksdb.StateType | |
6690 | class StateTypeJni { | |
6691 | public: | |
6692 | // Returns the equivalent org.rocksdb.StateType for the provided | |
6693 | // C++ ROCKSDB_NAMESPACE::ThreadStatus::StateType enum | |
6694 | static jbyte toJavaStateType( | |
6695 | const ROCKSDB_NAMESPACE::ThreadStatus::StateType& state_type) { | |
6696 | switch (state_type) { | |
6697 | case ROCKSDB_NAMESPACE::ThreadStatus::StateType::STATE_UNKNOWN: | |
6698 | return 0x0; | |
6699 | case ROCKSDB_NAMESPACE::ThreadStatus::StateType::STATE_MUTEX_WAIT: | |
6700 | return 0x1; | |
6701 | default: | |
6702 | return 0x7F; // undefined | |
6703 | } | |
6704 | } | |
6705 | ||
6706 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::ThreadStatus::StateType enum | |
6707 | // for the provided Java org.rocksdb.StateType | |
6708 | static ROCKSDB_NAMESPACE::ThreadStatus::StateType toCppStateType( | |
6709 | jbyte jstate_type) { | |
6710 | switch (jstate_type) { | |
6711 | case 0x0: | |
6712 | return ROCKSDB_NAMESPACE::ThreadStatus::StateType::STATE_UNKNOWN; | |
6713 | case 0x1: | |
6714 | return ROCKSDB_NAMESPACE::ThreadStatus::StateType::STATE_MUTEX_WAIT; | |
6715 | default: | |
6716 | // undefined/default | |
6717 | return ROCKSDB_NAMESPACE::ThreadStatus::StateType::STATE_UNKNOWN; | |
6718 | } | |
6719 | } | |
6720 | }; | |
6721 | ||
6722 | // The portal class for org.rocksdb.ThreadStatus | |
6723 | class ThreadStatusJni : public JavaClass { | |
6724 | public: | |
6725 | /** | |
6726 | * Get the Java Class org.rocksdb.ThreadStatus | |
6727 | * | |
6728 | * @param env A pointer to the Java environment | |
6729 | * | |
6730 | * @return The Java Class or nullptr if one of the | |
6731 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
6732 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
6733 | */ | |
6734 | static jclass getJClass(JNIEnv* env) { | |
6735 | return JavaClass::getJClass(env, | |
6736 | "org/rocksdb/ThreadStatus"); | |
6737 | } | |
6738 | ||
6739 | /** | |
6740 | * Create a new Java org.rocksdb.ThreadStatus object with the same | |
6741 | * properties as the provided C++ ROCKSDB_NAMESPACE::ThreadStatus object | |
6742 | * | |
6743 | * @param env A pointer to the Java environment | |
6744 | * @param thread_status A pointer to ROCKSDB_NAMESPACE::ThreadStatus object | |
6745 | * | |
6746 | * @return A reference to a Java org.rocksdb.ColumnFamilyOptions object, or | |
6747 | * nullptr if an an exception occurs | |
6748 | */ | |
6749 | static jobject construct( | |
6750 | JNIEnv* env, const ROCKSDB_NAMESPACE::ThreadStatus* thread_status) { | |
6751 | jclass jclazz = getJClass(env); | |
6752 | if(jclazz == nullptr) { | |
6753 | // exception occurred accessing class | |
6754 | return nullptr; | |
6755 | } | |
6756 | ||
6757 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(JBLjava/lang/String;Ljava/lang/String;BJB[JB)V"); | |
6758 | if (mid == nullptr) { | |
6759 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
6760 | return nullptr; | |
6761 | } | |
6762 | ||
6763 | jstring jdb_name = | |
6764 | JniUtil::toJavaString(env, &(thread_status->db_name), true); | |
6765 | if (env->ExceptionCheck()) { | |
6766 | // an error occurred | |
6767 | return nullptr; | |
6768 | } | |
6769 | ||
6770 | jstring jcf_name = | |
6771 | JniUtil::toJavaString(env, &(thread_status->cf_name), true); | |
6772 | if (env->ExceptionCheck()) { | |
6773 | // an error occurred | |
6774 | env->DeleteLocalRef(jdb_name); | |
6775 | return nullptr; | |
6776 | } | |
6777 | ||
6778 | // long[] | |
6779 | const jsize len = static_cast<jsize>( | |
6780 | ROCKSDB_NAMESPACE::ThreadStatus::kNumOperationProperties); | |
6781 | jlongArray joperation_properties = | |
6782 | env->NewLongArray(len); | |
6783 | if (joperation_properties == nullptr) { | |
6784 | // an exception occurred | |
6785 | env->DeleteLocalRef(jdb_name); | |
6786 | env->DeleteLocalRef(jcf_name); | |
6787 | return nullptr; | |
6788 | } | |
6789 | jboolean is_copy; | |
6790 | jlong* body = env->GetLongArrayElements(joperation_properties, &is_copy); | |
6791 | if (body == nullptr) { | |
6792 | // exception thrown: OutOfMemoryError | |
6793 | env->DeleteLocalRef(jdb_name); | |
6794 | env->DeleteLocalRef(jcf_name); | |
6795 | env->DeleteLocalRef(joperation_properties); | |
6796 | return nullptr; | |
6797 | } | |
6798 | for (size_t i = 0; i < len; ++i) { | |
6799 | body[i] = static_cast<jlong>(thread_status->op_properties[i]); | |
6800 | } | |
6801 | env->ReleaseLongArrayElements(joperation_properties, body, | |
6802 | is_copy == JNI_TRUE ? 0 : JNI_ABORT); | |
6803 | ||
6804 | jobject jcfd = env->NewObject(jclazz, mid, | |
6805 | static_cast<jlong>(thread_status->thread_id), | |
6806 | ThreadTypeJni::toJavaThreadType(thread_status->thread_type), | |
6807 | jdb_name, | |
6808 | jcf_name, | |
6809 | OperationTypeJni::toJavaOperationType(thread_status->operation_type), | |
6810 | static_cast<jlong>(thread_status->op_elapsed_micros), | |
6811 | OperationStageJni::toJavaOperationStage(thread_status->operation_stage), | |
6812 | joperation_properties, | |
6813 | StateTypeJni::toJavaStateType(thread_status->state_type)); | |
6814 | if (env->ExceptionCheck()) { | |
6815 | // exception occurred | |
6816 | env->DeleteLocalRef(jdb_name); | |
6817 | env->DeleteLocalRef(jcf_name); | |
6818 | env->DeleteLocalRef(joperation_properties); | |
6819 | return nullptr; | |
6820 | } | |
6821 | ||
6822 | // cleanup | |
6823 | env->DeleteLocalRef(jdb_name); | |
6824 | env->DeleteLocalRef(jcf_name); | |
6825 | env->DeleteLocalRef(joperation_properties); | |
6826 | ||
6827 | return jcfd; | |
6828 | } | |
6829 | }; | |
6830 | ||
6831 | // The portal class for org.rocksdb.CompactionStyle | |
6832 | class CompactionStyleJni { | |
6833 | public: | |
6834 | // Returns the equivalent org.rocksdb.CompactionStyle for the provided | |
6835 | // C++ ROCKSDB_NAMESPACE::CompactionStyle enum | |
6836 | static jbyte toJavaCompactionStyle( | |
6837 | const ROCKSDB_NAMESPACE::CompactionStyle& compaction_style) { | |
6838 | switch (compaction_style) { | |
6839 | case ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleLevel: | |
6840 | return 0x0; | |
6841 | case ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleUniversal: | |
6842 | return 0x1; | |
6843 | case ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleFIFO: | |
6844 | return 0x2; | |
6845 | case ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleNone: | |
6846 | return 0x3; | |
6847 | default: | |
6848 | return 0x7F; // undefined | |
6849 | } | |
6850 | } | |
6851 | ||
6852 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::CompactionStyle enum for the | |
6853 | // provided Java org.rocksdb.CompactionStyle | |
6854 | static ROCKSDB_NAMESPACE::CompactionStyle toCppCompactionStyle( | |
6855 | jbyte jcompaction_style) { | |
6856 | switch (jcompaction_style) { | |
6857 | case 0x0: | |
6858 | return ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleLevel; | |
6859 | case 0x1: | |
6860 | return ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleUniversal; | |
6861 | case 0x2: | |
6862 | return ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleFIFO; | |
6863 | case 0x3: | |
6864 | return ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleNone; | |
6865 | default: | |
6866 | // undefined/default | |
6867 | return ROCKSDB_NAMESPACE::CompactionStyle::kCompactionStyleLevel; | |
6868 | } | |
6869 | } | |
6870 | }; | |
6871 | ||
6872 | // The portal class for org.rocksdb.CompactionReason | |
6873 | class CompactionReasonJni { | |
6874 | public: | |
6875 | // Returns the equivalent org.rocksdb.CompactionReason for the provided | |
6876 | // C++ ROCKSDB_NAMESPACE::CompactionReason enum | |
6877 | static jbyte toJavaCompactionReason( | |
6878 | const ROCKSDB_NAMESPACE::CompactionReason& compaction_reason) { | |
6879 | switch (compaction_reason) { | |
6880 | case ROCKSDB_NAMESPACE::CompactionReason::kUnknown: | |
6881 | return 0x0; | |
6882 | case ROCKSDB_NAMESPACE::CompactionReason::kLevelL0FilesNum: | |
6883 | return 0x1; | |
6884 | case ROCKSDB_NAMESPACE::CompactionReason::kLevelMaxLevelSize: | |
6885 | return 0x2; | |
6886 | case ROCKSDB_NAMESPACE::CompactionReason::kUniversalSizeAmplification: | |
6887 | return 0x3; | |
6888 | case ROCKSDB_NAMESPACE::CompactionReason::kUniversalSizeRatio: | |
6889 | return 0x4; | |
6890 | case ROCKSDB_NAMESPACE::CompactionReason::kUniversalSortedRunNum: | |
6891 | return 0x5; | |
6892 | case ROCKSDB_NAMESPACE::CompactionReason::kFIFOMaxSize: | |
6893 | return 0x6; | |
6894 | case ROCKSDB_NAMESPACE::CompactionReason::kFIFOReduceNumFiles: | |
6895 | return 0x7; | |
6896 | case ROCKSDB_NAMESPACE::CompactionReason::kFIFOTtl: | |
6897 | return 0x8; | |
6898 | case ROCKSDB_NAMESPACE::CompactionReason::kManualCompaction: | |
6899 | return 0x9; | |
6900 | case ROCKSDB_NAMESPACE::CompactionReason::kFilesMarkedForCompaction: | |
6901 | return 0x10; | |
6902 | case ROCKSDB_NAMESPACE::CompactionReason::kBottommostFiles: | |
6903 | return 0x0A; | |
6904 | case ROCKSDB_NAMESPACE::CompactionReason::kTtl: | |
6905 | return 0x0B; | |
6906 | case ROCKSDB_NAMESPACE::CompactionReason::kFlush: | |
6907 | return 0x0C; | |
6908 | case ROCKSDB_NAMESPACE::CompactionReason::kExternalSstIngestion: | |
6909 | return 0x0D; | |
6910 | default: | |
6911 | return 0x7F; // undefined | |
6912 | } | |
6913 | } | |
6914 | ||
6915 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::CompactionReason enum for the | |
6916 | // provided Java org.rocksdb.CompactionReason | |
6917 | static ROCKSDB_NAMESPACE::CompactionReason toCppCompactionReason( | |
6918 | jbyte jcompaction_reason) { | |
6919 | switch (jcompaction_reason) { | |
6920 | case 0x0: | |
6921 | return ROCKSDB_NAMESPACE::CompactionReason::kUnknown; | |
6922 | case 0x1: | |
6923 | return ROCKSDB_NAMESPACE::CompactionReason::kLevelL0FilesNum; | |
6924 | case 0x2: | |
6925 | return ROCKSDB_NAMESPACE::CompactionReason::kLevelMaxLevelSize; | |
6926 | case 0x3: | |
6927 | return ROCKSDB_NAMESPACE::CompactionReason::kUniversalSizeAmplification; | |
6928 | case 0x4: | |
6929 | return ROCKSDB_NAMESPACE::CompactionReason::kUniversalSizeRatio; | |
6930 | case 0x5: | |
6931 | return ROCKSDB_NAMESPACE::CompactionReason::kUniversalSortedRunNum; | |
6932 | case 0x6: | |
6933 | return ROCKSDB_NAMESPACE::CompactionReason::kFIFOMaxSize; | |
6934 | case 0x7: | |
6935 | return ROCKSDB_NAMESPACE::CompactionReason::kFIFOReduceNumFiles; | |
6936 | case 0x8: | |
6937 | return ROCKSDB_NAMESPACE::CompactionReason::kFIFOTtl; | |
6938 | case 0x9: | |
6939 | return ROCKSDB_NAMESPACE::CompactionReason::kManualCompaction; | |
6940 | case 0x10: | |
6941 | return ROCKSDB_NAMESPACE::CompactionReason::kFilesMarkedForCompaction; | |
6942 | case 0x0A: | |
6943 | return ROCKSDB_NAMESPACE::CompactionReason::kBottommostFiles; | |
6944 | case 0x0B: | |
6945 | return ROCKSDB_NAMESPACE::CompactionReason::kTtl; | |
6946 | case 0x0C: | |
6947 | return ROCKSDB_NAMESPACE::CompactionReason::kFlush; | |
6948 | case 0x0D: | |
6949 | return ROCKSDB_NAMESPACE::CompactionReason::kExternalSstIngestion; | |
6950 | default: | |
6951 | // undefined/default | |
6952 | return ROCKSDB_NAMESPACE::CompactionReason::kUnknown; | |
6953 | } | |
6954 | } | |
6955 | }; | |
6956 | ||
6957 | // The portal class for org.rocksdb.WalFileType | |
6958 | class WalFileTypeJni { | |
6959 | public: | |
6960 | // Returns the equivalent org.rocksdb.WalFileType for the provided | |
6961 | // C++ ROCKSDB_NAMESPACE::WalFileType enum | |
6962 | static jbyte toJavaWalFileType( | |
6963 | const ROCKSDB_NAMESPACE::WalFileType& wal_file_type) { | |
6964 | switch (wal_file_type) { | |
6965 | case ROCKSDB_NAMESPACE::WalFileType::kArchivedLogFile: | |
6966 | return 0x0; | |
6967 | case ROCKSDB_NAMESPACE::WalFileType::kAliveLogFile: | |
6968 | return 0x1; | |
6969 | default: | |
6970 | return 0x7F; // undefined | |
6971 | } | |
6972 | } | |
6973 | ||
6974 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::WalFileType enum for the | |
6975 | // provided Java org.rocksdb.WalFileType | |
6976 | static ROCKSDB_NAMESPACE::WalFileType toCppWalFileType(jbyte jwal_file_type) { | |
6977 | switch (jwal_file_type) { | |
6978 | case 0x0: | |
6979 | return ROCKSDB_NAMESPACE::WalFileType::kArchivedLogFile; | |
6980 | case 0x1: | |
6981 | return ROCKSDB_NAMESPACE::WalFileType::kAliveLogFile; | |
6982 | default: | |
6983 | // undefined/default | |
6984 | return ROCKSDB_NAMESPACE::WalFileType::kAliveLogFile; | |
6985 | } | |
6986 | } | |
6987 | }; | |
6988 | ||
6989 | class LogFileJni : public JavaClass { | |
6990 | public: | |
6991 | /** | |
6992 | * Create a new Java org.rocksdb.LogFile object. | |
6993 | * | |
6994 | * @param env A pointer to the Java environment | |
6995 | * @param log_file A Cpp log file object | |
6996 | * | |
6997 | * @return A reference to a Java org.rocksdb.LogFile object, or | |
6998 | * nullptr if an an exception occurs | |
6999 | */ | |
7000 | static jobject fromCppLogFile(JNIEnv* env, | |
7001 | ROCKSDB_NAMESPACE::LogFile* log_file) { | |
7002 | jclass jclazz = getJClass(env); | |
7003 | if (jclazz == nullptr) { | |
7004 | // exception occurred accessing class | |
7005 | return nullptr; | |
7006 | } | |
7007 | ||
7008 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(Ljava/lang/String;JBJJ)V"); | |
7009 | if (mid == nullptr) { | |
7010 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
7011 | return nullptr; | |
7012 | } | |
7013 | ||
7014 | std::string path_name = log_file->PathName(); | |
7015 | jstring jpath_name = | |
7016 | ROCKSDB_NAMESPACE::JniUtil::toJavaString(env, &path_name, true); | |
7017 | if (env->ExceptionCheck()) { | |
7018 | // exception occurred creating java string | |
7019 | return nullptr; | |
7020 | } | |
7021 | ||
7022 | jobject jlog_file = env->NewObject( | |
7023 | jclazz, mid, jpath_name, static_cast<jlong>(log_file->LogNumber()), | |
7024 | ROCKSDB_NAMESPACE::WalFileTypeJni::toJavaWalFileType(log_file->Type()), | |
7025 | static_cast<jlong>(log_file->StartSequence()), | |
7026 | static_cast<jlong>(log_file->SizeFileBytes())); | |
7027 | ||
7028 | if (env->ExceptionCheck()) { | |
7029 | env->DeleteLocalRef(jpath_name); | |
7030 | return nullptr; | |
7031 | } | |
7032 | ||
7033 | // cleanup | |
7034 | env->DeleteLocalRef(jpath_name); | |
7035 | ||
7036 | return jlog_file; | |
7037 | } | |
7038 | ||
7039 | static jclass getJClass(JNIEnv* env) { | |
7040 | return JavaClass::getJClass(env, "org/rocksdb/LogFile"); | |
7041 | } | |
7042 | }; | |
7043 | ||
7044 | class LiveFileMetaDataJni : public JavaClass { | |
7045 | public: | |
7046 | /** | |
7047 | * Create a new Java org.rocksdb.LiveFileMetaData object. | |
7048 | * | |
7049 | * @param env A pointer to the Java environment | |
7050 | * @param live_file_meta_data A Cpp live file meta data object | |
7051 | * | |
7052 | * @return A reference to a Java org.rocksdb.LiveFileMetaData object, or | |
7053 | * nullptr if an an exception occurs | |
7054 | */ | |
7055 | static jobject fromCppLiveFileMetaData( | |
7056 | JNIEnv* env, ROCKSDB_NAMESPACE::LiveFileMetaData* live_file_meta_data) { | |
7057 | jclass jclazz = getJClass(env); | |
7058 | if (jclazz == nullptr) { | |
7059 | // exception occurred accessing class | |
7060 | return nullptr; | |
7061 | } | |
7062 | ||
7063 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "([BILjava/lang/String;Ljava/lang/String;JJJ[B[BJZJJ)V"); | |
7064 | if (mid == nullptr) { | |
7065 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
7066 | return nullptr; | |
7067 | } | |
7068 | ||
7069 | jbyteArray jcolumn_family_name = ROCKSDB_NAMESPACE::JniUtil::copyBytes( | |
7070 | env, live_file_meta_data->column_family_name); | |
7071 | if (jcolumn_family_name == nullptr) { | |
7072 | // exception occurred creating java byte array | |
7073 | return nullptr; | |
7074 | } | |
7075 | ||
7076 | jstring jfile_name = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
7077 | env, &live_file_meta_data->name, true); | |
7078 | if (env->ExceptionCheck()) { | |
7079 | // exception occurred creating java string | |
7080 | env->DeleteLocalRef(jcolumn_family_name); | |
7081 | return nullptr; | |
7082 | } | |
7083 | ||
7084 | jstring jpath = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
7085 | env, &live_file_meta_data->db_path, true); | |
7086 | if (env->ExceptionCheck()) { | |
7087 | // exception occurred creating java string | |
7088 | env->DeleteLocalRef(jcolumn_family_name); | |
7089 | env->DeleteLocalRef(jfile_name); | |
7090 | return nullptr; | |
7091 | } | |
7092 | ||
7093 | jbyteArray jsmallest_key = ROCKSDB_NAMESPACE::JniUtil::copyBytes( | |
7094 | env, live_file_meta_data->smallestkey); | |
7095 | if (jsmallest_key == nullptr) { | |
7096 | // exception occurred creating java byte array | |
7097 | env->DeleteLocalRef(jcolumn_family_name); | |
7098 | env->DeleteLocalRef(jfile_name); | |
7099 | env->DeleteLocalRef(jpath); | |
7100 | return nullptr; | |
7101 | } | |
7102 | ||
7103 | jbyteArray jlargest_key = ROCKSDB_NAMESPACE::JniUtil::copyBytes( | |
7104 | env, live_file_meta_data->largestkey); | |
7105 | if (jlargest_key == nullptr) { | |
7106 | // exception occurred creating java byte array | |
7107 | env->DeleteLocalRef(jcolumn_family_name); | |
7108 | env->DeleteLocalRef(jfile_name); | |
7109 | env->DeleteLocalRef(jpath); | |
7110 | env->DeleteLocalRef(jsmallest_key); | |
7111 | return nullptr; | |
7112 | } | |
7113 | ||
7114 | jobject jlive_file_meta_data = env->NewObject(jclazz, mid, | |
7115 | jcolumn_family_name, | |
7116 | static_cast<jint>(live_file_meta_data->level), | |
7117 | jfile_name, | |
7118 | jpath, | |
7119 | static_cast<jlong>(live_file_meta_data->size), | |
7120 | static_cast<jlong>(live_file_meta_data->smallest_seqno), | |
7121 | static_cast<jlong>(live_file_meta_data->largest_seqno), | |
7122 | jsmallest_key, | |
7123 | jlargest_key, | |
7124 | static_cast<jlong>(live_file_meta_data->num_reads_sampled), | |
7125 | static_cast<jboolean>(live_file_meta_data->being_compacted), | |
7126 | static_cast<jlong>(live_file_meta_data->num_entries), | |
7127 | static_cast<jlong>(live_file_meta_data->num_deletions) | |
7128 | ); | |
7129 | ||
7130 | if (env->ExceptionCheck()) { | |
7131 | env->DeleteLocalRef(jcolumn_family_name); | |
7132 | env->DeleteLocalRef(jfile_name); | |
7133 | env->DeleteLocalRef(jpath); | |
7134 | env->DeleteLocalRef(jsmallest_key); | |
7135 | env->DeleteLocalRef(jlargest_key); | |
7136 | return nullptr; | |
7137 | } | |
7138 | ||
7139 | // cleanup | |
7140 | env->DeleteLocalRef(jcolumn_family_name); | |
7141 | env->DeleteLocalRef(jfile_name); | |
7142 | env->DeleteLocalRef(jpath); | |
7143 | env->DeleteLocalRef(jsmallest_key); | |
7144 | env->DeleteLocalRef(jlargest_key); | |
7145 | ||
7146 | return jlive_file_meta_data; | |
7147 | } | |
7148 | ||
7149 | static jclass getJClass(JNIEnv* env) { | |
7150 | return JavaClass::getJClass(env, "org/rocksdb/LiveFileMetaData"); | |
7151 | } | |
7152 | }; | |
7153 | ||
7154 | class SstFileMetaDataJni : public JavaClass { | |
7155 | public: | |
7156 | /** | |
7157 | * Create a new Java org.rocksdb.SstFileMetaData object. | |
7158 | * | |
7159 | * @param env A pointer to the Java environment | |
7160 | * @param sst_file_meta_data A Cpp sst file meta data object | |
7161 | * | |
7162 | * @return A reference to a Java org.rocksdb.SstFileMetaData object, or | |
7163 | * nullptr if an an exception occurs | |
7164 | */ | |
7165 | static jobject fromCppSstFileMetaData( | |
7166 | JNIEnv* env, | |
7167 | const ROCKSDB_NAMESPACE::SstFileMetaData* sst_file_meta_data) { | |
7168 | jclass jclazz = getJClass(env); | |
7169 | if (jclazz == nullptr) { | |
7170 | // exception occurred accessing class | |
7171 | return nullptr; | |
7172 | } | |
7173 | ||
7174 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(Ljava/lang/String;Ljava/lang/String;JJJ[B[BJZJJ)V"); | |
7175 | if (mid == nullptr) { | |
7176 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
7177 | return nullptr; | |
7178 | } | |
7179 | ||
7180 | jstring jfile_name = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
7181 | env, &sst_file_meta_data->name, true); | |
7182 | if (jfile_name == nullptr) { | |
7183 | // exception occurred creating java byte array | |
7184 | return nullptr; | |
7185 | } | |
7186 | ||
7187 | jstring jpath = ROCKSDB_NAMESPACE::JniUtil::toJavaString( | |
7188 | env, &sst_file_meta_data->db_path, true); | |
7189 | if (jpath == nullptr) { | |
7190 | // exception occurred creating java byte array | |
7191 | env->DeleteLocalRef(jfile_name); | |
7192 | return nullptr; | |
7193 | } | |
7194 | ||
7195 | jbyteArray jsmallest_key = ROCKSDB_NAMESPACE::JniUtil::copyBytes( | |
7196 | env, sst_file_meta_data->smallestkey); | |
7197 | if (jsmallest_key == nullptr) { | |
7198 | // exception occurred creating java byte array | |
7199 | env->DeleteLocalRef(jfile_name); | |
7200 | env->DeleteLocalRef(jpath); | |
7201 | return nullptr; | |
7202 | } | |
7203 | ||
7204 | jbyteArray jlargest_key = ROCKSDB_NAMESPACE::JniUtil::copyBytes( | |
7205 | env, sst_file_meta_data->largestkey); | |
7206 | if (jlargest_key == nullptr) { | |
7207 | // exception occurred creating java byte array | |
7208 | env->DeleteLocalRef(jfile_name); | |
7209 | env->DeleteLocalRef(jpath); | |
7210 | env->DeleteLocalRef(jsmallest_key); | |
7211 | return nullptr; | |
7212 | } | |
7213 | ||
7214 | jobject jsst_file_meta_data = env->NewObject(jclazz, mid, | |
7215 | jfile_name, | |
7216 | jpath, | |
7217 | static_cast<jlong>(sst_file_meta_data->size), | |
7218 | static_cast<jint>(sst_file_meta_data->smallest_seqno), | |
7219 | static_cast<jlong>(sst_file_meta_data->largest_seqno), | |
7220 | jsmallest_key, | |
7221 | jlargest_key, | |
7222 | static_cast<jlong>(sst_file_meta_data->num_reads_sampled), | |
7223 | static_cast<jboolean>(sst_file_meta_data->being_compacted), | |
7224 | static_cast<jlong>(sst_file_meta_data->num_entries), | |
7225 | static_cast<jlong>(sst_file_meta_data->num_deletions) | |
7226 | ); | |
7227 | ||
7228 | if (env->ExceptionCheck()) { | |
7229 | env->DeleteLocalRef(jfile_name); | |
7230 | env->DeleteLocalRef(jpath); | |
7231 | env->DeleteLocalRef(jsmallest_key); | |
7232 | env->DeleteLocalRef(jlargest_key); | |
7233 | return nullptr; | |
7234 | } | |
7235 | ||
7236 | // cleanup | |
7237 | env->DeleteLocalRef(jfile_name); | |
7238 | env->DeleteLocalRef(jpath); | |
7239 | env->DeleteLocalRef(jsmallest_key); | |
7240 | env->DeleteLocalRef(jlargest_key); | |
7241 | ||
7242 | return jsst_file_meta_data; | |
7243 | } | |
7244 | ||
7245 | static jclass getJClass(JNIEnv* env) { | |
7246 | return JavaClass::getJClass(env, "org/rocksdb/SstFileMetaData"); | |
7247 | } | |
7248 | }; | |
7249 | ||
7250 | class LevelMetaDataJni : public JavaClass { | |
7251 | public: | |
7252 | /** | |
7253 | * Create a new Java org.rocksdb.LevelMetaData object. | |
7254 | * | |
7255 | * @param env A pointer to the Java environment | |
7256 | * @param level_meta_data A Cpp level meta data object | |
7257 | * | |
7258 | * @return A reference to a Java org.rocksdb.LevelMetaData object, or | |
7259 | * nullptr if an an exception occurs | |
7260 | */ | |
7261 | static jobject fromCppLevelMetaData( | |
7262 | JNIEnv* env, const ROCKSDB_NAMESPACE::LevelMetaData* level_meta_data) { | |
7263 | jclass jclazz = getJClass(env); | |
7264 | if (jclazz == nullptr) { | |
7265 | // exception occurred accessing class | |
7266 | return nullptr; | |
7267 | } | |
7268 | ||
7269 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(IJ[Lorg/rocksdb/SstFileMetaData;)V"); | |
7270 | if (mid == nullptr) { | |
7271 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
7272 | return nullptr; | |
7273 | } | |
7274 | ||
7275 | const jsize jlen = | |
7276 | static_cast<jsize>(level_meta_data->files.size()); | |
7277 | jobjectArray jfiles = env->NewObjectArray(jlen, SstFileMetaDataJni::getJClass(env), nullptr); | |
7278 | if (jfiles == nullptr) { | |
7279 | // exception thrown: OutOfMemoryError | |
7280 | return nullptr; | |
7281 | } | |
7282 | ||
7283 | jsize i = 0; | |
7284 | for (auto it = level_meta_data->files.begin(); | |
7285 | it != level_meta_data->files.end(); ++it) { | |
7286 | jobject jfile = SstFileMetaDataJni::fromCppSstFileMetaData(env, &(*it)); | |
7287 | if (jfile == nullptr) { | |
7288 | // exception occurred | |
7289 | env->DeleteLocalRef(jfiles); | |
7290 | return nullptr; | |
7291 | } | |
7292 | env->SetObjectArrayElement(jfiles, i++, jfile); | |
7293 | } | |
7294 | ||
7295 | jobject jlevel_meta_data = env->NewObject(jclazz, mid, | |
7296 | static_cast<jint>(level_meta_data->level), | |
7297 | static_cast<jlong>(level_meta_data->size), | |
7298 | jfiles | |
7299 | ); | |
7300 | ||
7301 | if (env->ExceptionCheck()) { | |
7302 | env->DeleteLocalRef(jfiles); | |
7303 | return nullptr; | |
7304 | } | |
7305 | ||
7306 | // cleanup | |
7307 | env->DeleteLocalRef(jfiles); | |
7308 | ||
7309 | return jlevel_meta_data; | |
7310 | } | |
7311 | ||
7312 | static jclass getJClass(JNIEnv* env) { | |
7313 | return JavaClass::getJClass(env, "org/rocksdb/LevelMetaData"); | |
7314 | } | |
7315 | }; | |
7316 | ||
7317 | class ColumnFamilyMetaDataJni : public JavaClass { | |
7318 | public: | |
7319 | /** | |
7320 | * Create a new Java org.rocksdb.ColumnFamilyMetaData object. | |
7321 | * | |
7322 | * @param env A pointer to the Java environment | |
7323 | * @param column_famly_meta_data A Cpp live file meta data object | |
7324 | * | |
7325 | * @return A reference to a Java org.rocksdb.ColumnFamilyMetaData object, or | |
7326 | * nullptr if an an exception occurs | |
7327 | */ | |
7328 | static jobject fromCppColumnFamilyMetaData( | |
7329 | JNIEnv* env, | |
7330 | const ROCKSDB_NAMESPACE::ColumnFamilyMetaData* column_famly_meta_data) { | |
7331 | jclass jclazz = getJClass(env); | |
7332 | if (jclazz == nullptr) { | |
7333 | // exception occurred accessing class | |
7334 | return nullptr; | |
7335 | } | |
7336 | ||
7337 | jmethodID mid = env->GetMethodID(jclazz, "<init>", "(JJ[B[Lorg/rocksdb/LevelMetaData;)V"); | |
7338 | if (mid == nullptr) { | |
7339 | // exception thrown: NoSuchMethodException or OutOfMemoryError | |
7340 | return nullptr; | |
7341 | } | |
7342 | ||
7343 | jbyteArray jname = ROCKSDB_NAMESPACE::JniUtil::copyBytes( | |
7344 | env, column_famly_meta_data->name); | |
7345 | if (jname == nullptr) { | |
7346 | // exception occurred creating java byte array | |
7347 | return nullptr; | |
7348 | } | |
7349 | ||
7350 | const jsize jlen = | |
7351 | static_cast<jsize>(column_famly_meta_data->levels.size()); | |
7352 | jobjectArray jlevels = env->NewObjectArray(jlen, LevelMetaDataJni::getJClass(env), nullptr); | |
7353 | if(jlevels == nullptr) { | |
7354 | // exception thrown: OutOfMemoryError | |
7355 | env->DeleteLocalRef(jname); | |
7356 | return nullptr; | |
7357 | } | |
7358 | ||
7359 | jsize i = 0; | |
7360 | for (auto it = column_famly_meta_data->levels.begin(); | |
7361 | it != column_famly_meta_data->levels.end(); ++it) { | |
7362 | jobject jlevel = LevelMetaDataJni::fromCppLevelMetaData(env, &(*it)); | |
7363 | if (jlevel == nullptr) { | |
7364 | // exception occurred | |
7365 | env->DeleteLocalRef(jname); | |
7366 | env->DeleteLocalRef(jlevels); | |
7367 | return nullptr; | |
7368 | } | |
7369 | env->SetObjectArrayElement(jlevels, i++, jlevel); | |
7370 | } | |
7371 | ||
7372 | jobject jcolumn_family_meta_data = env->NewObject(jclazz, mid, | |
7373 | static_cast<jlong>(column_famly_meta_data->size), | |
7374 | static_cast<jlong>(column_famly_meta_data->file_count), | |
7375 | jname, | |
7376 | jlevels | |
7377 | ); | |
7378 | ||
7379 | if (env->ExceptionCheck()) { | |
7380 | env->DeleteLocalRef(jname); | |
7381 | env->DeleteLocalRef(jlevels); | |
7382 | return nullptr; | |
7383 | } | |
7384 | ||
7385 | // cleanup | |
7386 | env->DeleteLocalRef(jname); | |
7387 | env->DeleteLocalRef(jlevels); | |
7388 | ||
7389 | return jcolumn_family_meta_data; | |
7390 | } | |
7391 | ||
7392 | static jclass getJClass(JNIEnv* env) { | |
7393 | return JavaClass::getJClass(env, "org/rocksdb/ColumnFamilyMetaData"); | |
7394 | } | |
7395 | }; | |
7396 | ||
7397 | // The portal class for org.rocksdb.AbstractTraceWriter | |
7398 | class AbstractTraceWriterJni | |
7399 | : public RocksDBNativeClass< | |
7400 | const ROCKSDB_NAMESPACE::TraceWriterJniCallback*, | |
7401 | AbstractTraceWriterJni> { | |
7402 | public: | |
7403 | /** | |
7404 | * Get the Java Class org.rocksdb.AbstractTraceWriter | |
7405 | * | |
7406 | * @param env A pointer to the Java environment | |
7407 | * | |
7408 | * @return The Java Class or nullptr if one of the | |
7409 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
7410 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
7411 | */ | |
7412 | static jclass getJClass(JNIEnv* env) { | |
7413 | return RocksDBNativeClass::getJClass(env, | |
7414 | "org/rocksdb/AbstractTraceWriter"); | |
7415 | } | |
7416 | ||
7417 | /** | |
7418 | * Get the Java Method: AbstractTraceWriter#write | |
7419 | * | |
7420 | * @param env A pointer to the Java environment | |
7421 | * | |
7422 | * @return The Java Method ID or nullptr if the class or method id could not | |
7423 | * be retrieved | |
7424 | */ | |
7425 | static jmethodID getWriteProxyMethodId(JNIEnv* env) { | |
7426 | jclass jclazz = getJClass(env); | |
7427 | if(jclazz == nullptr) { | |
7428 | // exception occurred accessing class | |
7429 | return nullptr; | |
7430 | } | |
7431 | ||
7432 | static jmethodID mid = env->GetMethodID( | |
7433 | jclazz, "writeProxy", "(J)S"); | |
7434 | assert(mid != nullptr); | |
7435 | return mid; | |
7436 | } | |
7437 | ||
7438 | /** | |
7439 | * Get the Java Method: AbstractTraceWriter#closeWriter | |
7440 | * | |
7441 | * @param env A pointer to the Java environment | |
7442 | * | |
7443 | * @return The Java Method ID or nullptr if the class or method id could not | |
7444 | * be retrieved | |
7445 | */ | |
7446 | static jmethodID getCloseWriterProxyMethodId(JNIEnv* env) { | |
7447 | jclass jclazz = getJClass(env); | |
7448 | if(jclazz == nullptr) { | |
7449 | // exception occurred accessing class | |
7450 | return nullptr; | |
7451 | } | |
7452 | ||
7453 | static jmethodID mid = env->GetMethodID( | |
7454 | jclazz, "closeWriterProxy", "()S"); | |
7455 | assert(mid != nullptr); | |
7456 | return mid; | |
7457 | } | |
7458 | ||
7459 | /** | |
7460 | * Get the Java Method: AbstractTraceWriter#getFileSize | |
7461 | * | |
7462 | * @param env A pointer to the Java environment | |
7463 | * | |
7464 | * @return The Java Method ID or nullptr if the class or method id could not | |
7465 | * be retrieved | |
7466 | */ | |
7467 | static jmethodID getGetFileSizeMethodId(JNIEnv* env) { | |
7468 | jclass jclazz = getJClass(env); | |
7469 | if(jclazz == nullptr) { | |
7470 | // exception occurred accessing class | |
7471 | return nullptr; | |
7472 | } | |
7473 | ||
7474 | static jmethodID mid = env->GetMethodID( | |
7475 | jclazz, "getFileSize", "()J"); | |
7476 | assert(mid != nullptr); | |
7477 | return mid; | |
7478 | } | |
7479 | }; | |
7480 | ||
7481 | // The portal class for org.rocksdb.AbstractWalFilter | |
7482 | class AbstractWalFilterJni | |
7483 | : public RocksDBNativeClass<const ROCKSDB_NAMESPACE::WalFilterJniCallback*, | |
7484 | AbstractWalFilterJni> { | |
7485 | public: | |
7486 | /** | |
7487 | * Get the Java Class org.rocksdb.AbstractWalFilter | |
7488 | * | |
7489 | * @param env A pointer to the Java environment | |
7490 | * | |
7491 | * @return The Java Class or nullptr if one of the | |
7492 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
7493 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
7494 | */ | |
7495 | static jclass getJClass(JNIEnv* env) { | |
7496 | return RocksDBNativeClass::getJClass(env, | |
7497 | "org/rocksdb/AbstractWalFilter"); | |
7498 | } | |
7499 | ||
7500 | /** | |
7501 | * Get the Java Method: AbstractWalFilter#columnFamilyLogNumberMap | |
7502 | * | |
7503 | * @param env A pointer to the Java environment | |
7504 | * | |
7505 | * @return The Java Method ID or nullptr if the class or method id could not | |
7506 | * be retrieved | |
7507 | */ | |
7508 | static jmethodID getColumnFamilyLogNumberMapMethodId(JNIEnv* env) { | |
7509 | jclass jclazz = getJClass(env); | |
7510 | if(jclazz == nullptr) { | |
7511 | // exception occurred accessing class | |
7512 | return nullptr; | |
7513 | } | |
7514 | ||
7515 | static jmethodID mid = env->GetMethodID( | |
7516 | jclazz, "columnFamilyLogNumberMap", | |
7517 | "(Ljava/util/Map;Ljava/util/Map;)V"); | |
7518 | assert(mid != nullptr); | |
7519 | return mid; | |
7520 | } | |
7521 | ||
7522 | /** | |
7523 | * Get the Java Method: AbstractTraceWriter#logRecordFoundProxy | |
7524 | * | |
7525 | * @param env A pointer to the Java environment | |
7526 | * | |
7527 | * @return The Java Method ID or nullptr if the class or method id could not | |
7528 | * be retrieved | |
7529 | */ | |
7530 | static jmethodID getLogRecordFoundProxyMethodId(JNIEnv* env) { | |
7531 | jclass jclazz = getJClass(env); | |
7532 | if(jclazz == nullptr) { | |
7533 | // exception occurred accessing class | |
7534 | return nullptr; | |
7535 | } | |
7536 | ||
7537 | static jmethodID mid = env->GetMethodID( | |
7538 | jclazz, "logRecordFoundProxy", "(JLjava/lang/String;JJ)S"); | |
7539 | assert(mid != nullptr); | |
7540 | return mid; | |
7541 | } | |
7542 | ||
7543 | /** | |
7544 | * Get the Java Method: AbstractTraceWriter#name | |
7545 | * | |
7546 | * @param env A pointer to the Java environment | |
7547 | * | |
7548 | * @return The Java Method ID or nullptr if the class or method id could not | |
7549 | * be retrieved | |
7550 | */ | |
7551 | static jmethodID getNameMethodId(JNIEnv* env) { | |
7552 | jclass jclazz = getJClass(env); | |
7553 | if(jclazz == nullptr) { | |
7554 | // exception occurred accessing class | |
7555 | return nullptr; | |
7556 | } | |
7557 | ||
7558 | static jmethodID mid = env->GetMethodID( | |
7559 | jclazz, "name", "()Ljava/lang/String;"); | |
7560 | assert(mid != nullptr); | |
7561 | return mid; | |
7562 | } | |
7563 | }; | |
7564 | ||
7565 | // The portal class for org.rocksdb.WalProcessingOption | |
7566 | class WalProcessingOptionJni { | |
7567 | public: | |
7568 | // Returns the equivalent org.rocksdb.WalProcessingOption for the provided | |
7569 | // C++ ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption enum | |
7570 | static jbyte toJavaWalProcessingOption( | |
7571 | const ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption& | |
7572 | wal_processing_option) { | |
7573 | switch (wal_processing_option) { | |
7574 | case ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption:: | |
7575 | kContinueProcessing: | |
7576 | return 0x0; | |
7577 | case ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption:: | |
7578 | kIgnoreCurrentRecord: | |
7579 | return 0x1; | |
7580 | case ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption::kStopReplay: | |
7581 | return 0x2; | |
7582 | case ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption::kCorruptedRecord: | |
7583 | return 0x3; | |
7584 | default: | |
7585 | return 0x7F; // undefined | |
7586 | } | |
7587 | } | |
7588 | ||
7589 | // Returns the equivalent C++ | |
7590 | // ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption enum for the provided | |
7591 | // Java org.rocksdb.WalProcessingOption | |
7592 | static ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption | |
7593 | toCppWalProcessingOption(jbyte jwal_processing_option) { | |
7594 | switch (jwal_processing_option) { | |
7595 | case 0x0: | |
7596 | return ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption:: | |
7597 | kContinueProcessing; | |
7598 | case 0x1: | |
7599 | return ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption:: | |
7600 | kIgnoreCurrentRecord; | |
7601 | case 0x2: | |
7602 | return ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption::kStopReplay; | |
7603 | case 0x3: | |
7604 | return ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption:: | |
7605 | kCorruptedRecord; | |
7606 | default: | |
7607 | // undefined/default | |
7608 | return ROCKSDB_NAMESPACE::WalFilter::WalProcessingOption:: | |
7609 | kCorruptedRecord; | |
7610 | } | |
7611 | } | |
7612 | }; | |
7613 | ||
7614 | // The portal class for org.rocksdb.ReusedSynchronisationType | |
7615 | class ReusedSynchronisationTypeJni { | |
7616 | public: | |
7617 | // Returns the equivalent org.rocksdb.ReusedSynchronisationType for the | |
7618 | // provided C++ ROCKSDB_NAMESPACE::ReusedSynchronisationType enum | |
7619 | static jbyte toJavaReusedSynchronisationType( | |
7620 | const ROCKSDB_NAMESPACE::ReusedSynchronisationType& | |
7621 | reused_synchronisation_type) { | |
7622 | switch(reused_synchronisation_type) { | |
7623 | case ROCKSDB_NAMESPACE::ReusedSynchronisationType::MUTEX: | |
7624 | return 0x0; | |
7625 | case ROCKSDB_NAMESPACE::ReusedSynchronisationType::ADAPTIVE_MUTEX: | |
7626 | return 0x1; | |
7627 | case ROCKSDB_NAMESPACE::ReusedSynchronisationType::THREAD_LOCAL: | |
7628 | return 0x2; | |
7629 | default: | |
7630 | return 0x7F; // undefined | |
7631 | } | |
7632 | } | |
7633 | ||
7634 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::ReusedSynchronisationType | |
7635 | // enum for the provided Java org.rocksdb.ReusedSynchronisationType | |
7636 | static ROCKSDB_NAMESPACE::ReusedSynchronisationType | |
7637 | toCppReusedSynchronisationType(jbyte reused_synchronisation_type) { | |
7638 | switch(reused_synchronisation_type) { | |
7639 | case 0x0: | |
7640 | return ROCKSDB_NAMESPACE::ReusedSynchronisationType::MUTEX; | |
7641 | case 0x1: | |
7642 | return ROCKSDB_NAMESPACE::ReusedSynchronisationType::ADAPTIVE_MUTEX; | |
7643 | case 0x2: | |
7644 | return ROCKSDB_NAMESPACE::ReusedSynchronisationType::THREAD_LOCAL; | |
7645 | default: | |
7646 | // undefined/default | |
7647 | return ROCKSDB_NAMESPACE::ReusedSynchronisationType::ADAPTIVE_MUTEX; | |
7648 | } | |
7649 | } | |
7650 | }; | |
7651 | // The portal class for org.rocksdb.SanityLevel | |
7652 | class SanityLevelJni { | |
7653 | public: | |
7654 | // Returns the equivalent org.rocksdb.SanityLevel for the provided | |
7655 | // C++ ROCKSDB_NAMESPACE::ConfigOptions::SanityLevel enum | |
7656 | static jbyte toJavaSanityLevel( | |
7657 | const ROCKSDB_NAMESPACE::ConfigOptions::SanityLevel &sanity_level) { | |
7658 | switch (sanity_level) { | |
7659 | case ROCKSDB_NAMESPACE::ConfigOptions::SanityLevel::kSanityLevelNone: | |
7660 | return 0x0; | |
7661 | case ROCKSDB_NAMESPACE::ConfigOptions::SanityLevel:: | |
7662 | kSanityLevelLooselyCompatible: | |
7663 | return 0x1; | |
7664 | case ROCKSDB_NAMESPACE::ConfigOptions::SanityLevel:: | |
7665 | kSanityLevelExactMatch: | |
7666 | return -0x01; | |
7667 | default: | |
7668 | return -0x01; // undefined | |
7669 | } | |
7670 | } | |
7671 | ||
7672 | // Returns the equivalent C++ ROCKSDB_NAMESPACE::ConfigOptions::SanityLevel enum for | |
7673 | // the provided Java org.rocksdb.SanityLevel | |
7674 | static ROCKSDB_NAMESPACE::ConfigOptions::SanityLevel toCppSanityLevel( | |
7675 | jbyte sanity_level) { | |
7676 | switch (sanity_level) { | |
7677 | case 0x0: | |
7678 | return ROCKSDB_NAMESPACE::ConfigOptions::kSanityLevelNone; | |
7679 | case 0x1: | |
7680 | return ROCKSDB_NAMESPACE::ConfigOptions::kSanityLevelLooselyCompatible; | |
7681 | default: | |
7682 | // undefined/default | |
7683 | return ROCKSDB_NAMESPACE::ConfigOptions::kSanityLevelExactMatch; | |
7684 | } | |
7685 | } | |
7686 | }; | |
7687 | ||
7688 | // The portal class for org.rocksdb.AbstractListener.EnabledEventCallback | |
7689 | class EnabledEventCallbackJni { | |
7690 | public: | |
7691 | // Returns the set of equivalent C++ | |
7692 | // rocksdb::EnabledEventCallbackJni::EnabledEventCallback enums for | |
7693 | // the provided Java jenabled_event_callback_values | |
7694 | static std::set<EnabledEventCallback> toCppEnabledEventCallbacks( | |
7695 | jlong jenabled_event_callback_values) { | |
7696 | std::set<EnabledEventCallback> enabled_event_callbacks; | |
7697 | for (size_t i = 0; i < EnabledEventCallback::NUM_ENABLED_EVENT_CALLBACK; | |
7698 | ++i) { | |
7699 | if (((1ULL << i) & jenabled_event_callback_values) > 0) { | |
7700 | enabled_event_callbacks.emplace(static_cast<EnabledEventCallback>(i)); | |
7701 | } | |
7702 | } | |
7703 | return enabled_event_callbacks; | |
7704 | } | |
7705 | }; | |
7706 | ||
7707 | // The portal class for org.rocksdb.AbstractEventListener | |
7708 | class AbstractEventListenerJni | |
7709 | : public RocksDBNativeClass< | |
7710 | const ROCKSDB_NAMESPACE::EventListenerJniCallback*, | |
7711 | AbstractEventListenerJni> { | |
7712 | public: | |
7713 | /** | |
7714 | * Get the Java Class org.rocksdb.AbstractEventListener | |
7715 | * | |
7716 | * @param env A pointer to the Java environment | |
7717 | * | |
7718 | * @return The Java Class or nullptr if one of the | |
7719 | * ClassFormatError, ClassCircularityError, NoClassDefFoundError, | |
7720 | * OutOfMemoryError or ExceptionInInitializerError exceptions is thrown | |
7721 | */ | |
7722 | static jclass getJClass(JNIEnv* env) { | |
7723 | return RocksDBNativeClass::getJClass(env, | |
7724 | "org/rocksdb/AbstractEventListener"); | |
7725 | } | |
7726 | ||
7727 | /** | |
7728 | * Get the Java Method: AbstractEventListener#onFlushCompletedProxy | |
7729 | * | |
7730 | * @param env A pointer to the Java environment | |
7731 | * | |
7732 | * @return The Java Method ID | |
7733 | */ | |
7734 | static jmethodID getOnFlushCompletedProxyMethodId(JNIEnv* env) { | |
7735 | jclass jclazz = getJClass(env); | |
7736 | assert(jclazz != nullptr); | |
7737 | static jmethodID mid = env->GetMethodID(jclazz, "onFlushCompletedProxy", | |
7738 | "(JLorg/rocksdb/FlushJobInfo;)V"); | |
7739 | assert(mid != nullptr); | |
7740 | return mid; | |
7741 | } | |
7742 | ||
7743 | /** | |
7744 | * Get the Java Method: AbstractEventListener#onFlushBeginProxy | |
7745 | * | |
7746 | * @param env A pointer to the Java environment | |
7747 | * | |
7748 | * @return The Java Method ID | |
7749 | */ | |
7750 | static jmethodID getOnFlushBeginProxyMethodId(JNIEnv* env) { | |
7751 | jclass jclazz = getJClass(env); | |
7752 | assert(jclazz != nullptr); | |
7753 | static jmethodID mid = env->GetMethodID(jclazz, "onFlushBeginProxy", | |
7754 | "(JLorg/rocksdb/FlushJobInfo;)V"); | |
7755 | assert(mid != nullptr); | |
7756 | return mid; | |
7757 | } | |
7758 | ||
7759 | /** | |
7760 | * Get the Java Method: AbstractEventListener#onTableFileDeleted | |
7761 | * | |
7762 | * @param env A pointer to the Java environment | |
7763 | * | |
7764 | * @return The Java Method ID | |
7765 | */ | |
7766 | static jmethodID getOnTableFileDeletedMethodId(JNIEnv* env) { | |
7767 | jclass jclazz = getJClass(env); | |
7768 | assert(jclazz != nullptr); | |
7769 | static jmethodID mid = env->GetMethodID( | |
7770 | jclazz, "onTableFileDeleted", "(Lorg/rocksdb/TableFileDeletionInfo;)V"); | |
7771 | assert(mid != nullptr); | |
7772 | return mid; | |
7773 | } | |
7774 | ||
7775 | /** | |
7776 | * Get the Java Method: AbstractEventListener#onCompactionBeginProxy | |
7777 | * | |
7778 | * @param env A pointer to the Java environment | |
7779 | * | |
7780 | * @return The Java Method ID | |
7781 | */ | |
7782 | static jmethodID getOnCompactionBeginProxyMethodId(JNIEnv* env) { | |
7783 | jclass jclazz = getJClass(env); | |
7784 | assert(jclazz != nullptr); | |
7785 | static jmethodID mid = | |
7786 | env->GetMethodID(jclazz, "onCompactionBeginProxy", | |
7787 | "(JLorg/rocksdb/CompactionJobInfo;)V"); | |
7788 | assert(mid != nullptr); | |
7789 | return mid; | |
7790 | } | |
7791 | ||
7792 | /** | |
7793 | * Get the Java Method: AbstractEventListener#onCompactionCompletedProxy | |
7794 | * | |
7795 | * @param env A pointer to the Java environment | |
7796 | * | |
7797 | * @return The Java Method ID | |
7798 | */ | |
7799 | static jmethodID getOnCompactionCompletedProxyMethodId(JNIEnv* env) { | |
7800 | jclass jclazz = getJClass(env); | |
7801 | assert(jclazz != nullptr); | |
7802 | static jmethodID mid = | |
7803 | env->GetMethodID(jclazz, "onCompactionCompletedProxy", | |
7804 | "(JLorg/rocksdb/CompactionJobInfo;)V"); | |
7805 | assert(mid != nullptr); | |
7806 | return mid; | |
7807 | } | |
7808 | ||
7809 | /** | |
7810 | * Get the Java Method: AbstractEventListener#onTableFileCreated | |
7811 | * | |
7812 | * @param env A pointer to the Java environment | |
7813 | * | |
7814 | * @return The Java Method ID | |
7815 | */ | |
7816 | static jmethodID getOnTableFileCreatedMethodId(JNIEnv* env) { | |
7817 | jclass jclazz = getJClass(env); | |
7818 | assert(jclazz != nullptr); | |
7819 | static jmethodID mid = env->GetMethodID( | |
7820 | jclazz, "onTableFileCreated", "(Lorg/rocksdb/TableFileCreationInfo;)V"); | |
7821 | assert(mid != nullptr); | |
7822 | return mid; | |
7823 | } | |
7824 | ||
7825 | /** | |
7826 | * Get the Java Method: AbstractEventListener#onTableFileCreationStarted | |
7827 | * | |
7828 | * @param env A pointer to the Java environment | |
7829 | * | |
7830 | * @return The Java Method ID | |
7831 | */ | |
7832 | static jmethodID getOnTableFileCreationStartedMethodId(JNIEnv* env) { | |
7833 | jclass jclazz = getJClass(env); | |
7834 | assert(jclazz != nullptr); | |
7835 | static jmethodID mid = | |
7836 | env->GetMethodID(jclazz, "onTableFileCreationStarted", | |
7837 | "(Lorg/rocksdb/TableFileCreationBriefInfo;)V"); | |
7838 | assert(mid != nullptr); | |
7839 | return mid; | |
7840 | } | |
7841 | ||
7842 | /** | |
7843 | * Get the Java Method: AbstractEventListener#onMemTableSealed | |
7844 | * | |
7845 | * @param env A pointer to the Java environment | |
7846 | * | |
7847 | * @return The Java Method ID | |
7848 | */ | |
7849 | static jmethodID getOnMemTableSealedMethodId(JNIEnv* env) { | |
7850 | jclass jclazz = getJClass(env); | |
7851 | assert(jclazz != nullptr); | |
7852 | static jmethodID mid = env->GetMethodID(jclazz, "onMemTableSealed", | |
7853 | "(Lorg/rocksdb/MemTableInfo;)V"); | |
7854 | assert(mid != nullptr); | |
7855 | return mid; | |
7856 | } | |
7857 | ||
7858 | /** | |
7859 | * Get the Java Method: | |
7860 | * AbstractEventListener#onColumnFamilyHandleDeletionStarted | |
7861 | * | |
7862 | * @param env A pointer to the Java environment | |
7863 | * | |
7864 | * @return The Java Method ID | |
7865 | */ | |
7866 | static jmethodID getOnColumnFamilyHandleDeletionStartedMethodId(JNIEnv* env) { | |
7867 | jclass jclazz = getJClass(env); | |
7868 | assert(jclazz != nullptr); | |
7869 | static jmethodID mid = | |
7870 | env->GetMethodID(jclazz, "onColumnFamilyHandleDeletionStarted", | |
7871 | "(Lorg/rocksdb/ColumnFamilyHandle;)V"); | |
7872 | assert(mid != nullptr); | |
7873 | return mid; | |
7874 | } | |
7875 | ||
7876 | /** | |
7877 | * Get the Java Method: AbstractEventListener#onExternalFileIngestedProxy | |
7878 | * | |
7879 | * @param env A pointer to the Java environment | |
7880 | * | |
7881 | * @return The Java Method ID | |
7882 | */ | |
7883 | static jmethodID getOnExternalFileIngestedProxyMethodId(JNIEnv* env) { | |
7884 | jclass jclazz = getJClass(env); | |
7885 | assert(jclazz != nullptr); | |
7886 | static jmethodID mid = | |
7887 | env->GetMethodID(jclazz, "onExternalFileIngestedProxy", | |
7888 | "(JLorg/rocksdb/ExternalFileIngestionInfo;)V"); | |
7889 | assert(mid != nullptr); | |
7890 | return mid; | |
7891 | } | |
7892 | ||
7893 | /** | |
7894 | * Get the Java Method: AbstractEventListener#onBackgroundError | |
7895 | * | |
7896 | * @param env A pointer to the Java environment | |
7897 | * | |
7898 | * @return The Java Method ID | |
7899 | */ | |
7900 | static jmethodID getOnBackgroundErrorProxyMethodId(JNIEnv* env) { | |
7901 | jclass jclazz = getJClass(env); | |
7902 | assert(jclazz != nullptr); | |
7903 | static jmethodID mid = env->GetMethodID(jclazz, "onBackgroundErrorProxy", | |
7904 | "(BLorg/rocksdb/Status;)V"); | |
7905 | assert(mid != nullptr); | |
7906 | return mid; | |
7907 | } | |
7908 | ||
7909 | /** | |
7910 | * Get the Java Method: AbstractEventListener#onStallConditionsChanged | |
7911 | * | |
7912 | * @param env A pointer to the Java environment | |
7913 | * | |
7914 | * @return The Java Method ID | |
7915 | */ | |
7916 | static jmethodID getOnStallConditionsChangedMethodId(JNIEnv* env) { | |
7917 | jclass jclazz = getJClass(env); | |
7918 | assert(jclazz != nullptr); | |
7919 | static jmethodID mid = env->GetMethodID(jclazz, "onStallConditionsChanged", | |
7920 | "(Lorg/rocksdb/WriteStallInfo;)V"); | |
7921 | assert(mid != nullptr); | |
7922 | return mid; | |
7923 | } | |
7924 | ||
7925 | /** | |
7926 | * Get the Java Method: AbstractEventListener#onFileReadFinish | |
7927 | * | |
7928 | * @param env A pointer to the Java environment | |
7929 | * | |
7930 | * @return The Java Method ID | |
7931 | */ | |
7932 | static jmethodID getOnFileReadFinishMethodId(JNIEnv* env) { | |
7933 | jclass jclazz = getJClass(env); | |
7934 | assert(jclazz != nullptr); | |
7935 | static jmethodID mid = env->GetMethodID( | |
7936 | jclazz, "onFileReadFinish", "(Lorg/rocksdb/FileOperationInfo;)V"); | |
7937 | assert(mid != nullptr); | |
7938 | return mid; | |
7939 | } | |
7940 | ||
7941 | /** | |
7942 | * Get the Java Method: AbstractEventListener#onFileWriteFinish | |
7943 | * | |
7944 | * @param env A pointer to the Java environment | |
7945 | * | |
7946 | * @return The Java Method ID | |
7947 | */ | |
7948 | static jmethodID getOnFileWriteFinishMethodId(JNIEnv* env) { | |
7949 | jclass jclazz = getJClass(env); | |
7950 | assert(jclazz != nullptr); | |
7951 | static jmethodID mid = env->GetMethodID( | |
7952 | jclazz, "onFileWriteFinish", "(Lorg/rocksdb/FileOperationInfo;)V"); | |
7953 | assert(mid != nullptr); | |
7954 | return mid; | |
7955 | } | |
7956 | ||
7957 | /** | |
7958 | * Get the Java Method: AbstractEventListener#onFileFlushFinish | |
7959 | * | |
7960 | * @param env A pointer to the Java environment | |
7961 | * | |
7962 | * @return The Java Method ID | |
7963 | */ | |
7964 | static jmethodID getOnFileFlushFinishMethodId(JNIEnv* env) { | |
7965 | jclass jclazz = getJClass(env); | |
7966 | assert(jclazz != nullptr); | |
7967 | static jmethodID mid = env->GetMethodID( | |
7968 | jclazz, "onFileFlushFinish", "(Lorg/rocksdb/FileOperationInfo;)V"); | |
7969 | assert(mid != nullptr); | |
7970 | return mid; | |
7971 | } | |
7972 | ||
7973 | /** | |
7974 | * Get the Java Method: AbstractEventListener#onFileSyncFinish | |
7975 | * | |
7976 | * @param env A pointer to the Java environment | |
7977 | * | |
7978 | * @return The Java Method ID | |
7979 | */ | |
7980 | static jmethodID getOnFileSyncFinishMethodId(JNIEnv* env) { | |
7981 | jclass jclazz = getJClass(env); | |
7982 | assert(jclazz != nullptr); | |
7983 | static jmethodID mid = env->GetMethodID( | |
7984 | jclazz, "onFileSyncFinish", "(Lorg/rocksdb/FileOperationInfo;)V"); | |
7985 | assert(mid != nullptr); | |
7986 | return mid; | |
7987 | } | |
7988 | ||
7989 | /** | |
7990 | * Get the Java Method: AbstractEventListener#onFileRangeSyncFinish | |
7991 | * | |
7992 | * @param env A pointer to the Java environment | |
7993 | * | |
7994 | * @return The Java Method ID | |
7995 | */ | |
7996 | static jmethodID getOnFileRangeSyncFinishMethodId(JNIEnv* env) { | |
7997 | jclass jclazz = getJClass(env); | |
7998 | assert(jclazz != nullptr); | |
7999 | static jmethodID mid = env->GetMethodID( | |
8000 | jclazz, "onFileRangeSyncFinish", "(Lorg/rocksdb/FileOperationInfo;)V"); | |
8001 | assert(mid != nullptr); | |
8002 | return mid; | |
8003 | } | |
8004 | ||
8005 | /** | |
8006 | * Get the Java Method: AbstractEventListener#onFileTruncateFinish | |
8007 | * | |
8008 | * @param env A pointer to the Java environment | |
8009 | * | |
8010 | * @return The Java Method ID | |
8011 | */ | |
8012 | static jmethodID getOnFileTruncateFinishMethodId(JNIEnv* env) { | |
8013 | jclass jclazz = getJClass(env); | |
8014 | assert(jclazz != nullptr); | |
8015 | static jmethodID mid = env->GetMethodID( | |
8016 | jclazz, "onFileTruncateFinish", "(Lorg/rocksdb/FileOperationInfo;)V"); | |
8017 | assert(mid != nullptr); | |
8018 | return mid; | |
8019 | } | |
8020 | ||
8021 | /** | |
8022 | * Get the Java Method: AbstractEventListener#onFileCloseFinish | |
8023 | * | |
8024 | * @param env A pointer to the Java environment | |
8025 | * | |
8026 | * @return The Java Method ID | |
8027 | */ | |
8028 | static jmethodID getOnFileCloseFinishMethodId(JNIEnv* env) { | |
8029 | jclass jclazz = getJClass(env); | |
8030 | assert(jclazz != nullptr); | |
8031 | static jmethodID mid = env->GetMethodID( | |
8032 | jclazz, "onFileCloseFinish", "(Lorg/rocksdb/FileOperationInfo;)V"); | |
8033 | assert(mid != nullptr); | |
8034 | return mid; | |
8035 | } | |
8036 | ||
8037 | /** | |
8038 | * Get the Java Method: AbstractEventListener#shouldBeNotifiedOnFileIO | |
8039 | * | |
8040 | * @param env A pointer to the Java environment | |
8041 | * | |
8042 | * @return The Java Method ID | |
8043 | */ | |
8044 | static jmethodID getShouldBeNotifiedOnFileIOMethodId(JNIEnv* env) { | |
8045 | jclass jclazz = getJClass(env); | |
8046 | assert(jclazz != nullptr); | |
8047 | static jmethodID mid = | |
8048 | env->GetMethodID(jclazz, "shouldBeNotifiedOnFileIO", "()Z"); | |
8049 | assert(mid != nullptr); | |
8050 | return mid; | |
8051 | } | |
8052 | ||
8053 | /** | |
8054 | * Get the Java Method: AbstractEventListener#onErrorRecoveryBeginProxy | |
8055 | * | |
8056 | * @param env A pointer to the Java environment | |
8057 | * | |
8058 | * @return The Java Method ID | |
8059 | */ | |
8060 | static jmethodID getOnErrorRecoveryBeginProxyMethodId(JNIEnv* env) { | |
8061 | jclass jclazz = getJClass(env); | |
8062 | assert(jclazz != nullptr); | |
8063 | static jmethodID mid = env->GetMethodID(jclazz, "onErrorRecoveryBeginProxy", | |
8064 | "(BLorg/rocksdb/Status;)Z"); | |
8065 | assert(mid != nullptr); | |
8066 | return mid; | |
8067 | } | |
8068 | ||
8069 | /** | |
8070 | * Get the Java Method: AbstractEventListener#onErrorRecoveryCompleted | |
8071 | * | |
8072 | * @param env A pointer to the Java environment | |
8073 | * | |
8074 | * @return The Java Method ID | |
8075 | */ | |
8076 | static jmethodID getOnErrorRecoveryCompletedMethodId(JNIEnv* env) { | |
8077 | jclass jclazz = getJClass(env); | |
8078 | assert(jclazz != nullptr); | |
8079 | static jmethodID mid = env->GetMethodID(jclazz, "onErrorRecoveryCompleted", | |
8080 | "(Lorg/rocksdb/Status;)V"); | |
8081 | assert(mid != nullptr); | |
8082 | return mid; | |
8083 | } | |
8084 | }; | |
8085 | ||
8086 | class FlushJobInfoJni : public JavaClass { | |
8087 | public: | |
8088 | /** | |
8089 | * Create a new Java org.rocksdb.FlushJobInfo object. | |
8090 | * | |
8091 | * @param env A pointer to the Java environment | |
8092 | * @param flush_job_info A Cpp flush job info object | |
8093 | * | |
8094 | * @return A reference to a Java org.rocksdb.FlushJobInfo object, or | |
8095 | * nullptr if an an exception occurs | |
8096 | */ | |
8097 | static jobject fromCppFlushJobInfo( | |
8098 | JNIEnv* env, const ROCKSDB_NAMESPACE::FlushJobInfo* flush_job_info) { | |
8099 | jclass jclazz = getJClass(env); | |
8100 | if (jclazz == nullptr) { | |
8101 | // exception occurred accessing class | |
8102 | return nullptr; | |
8103 | } | |
8104 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8105 | assert(ctor != nullptr); | |
8106 | jstring jcf_name = JniUtil::toJavaString(env, &flush_job_info->cf_name); | |
8107 | if (env->ExceptionCheck()) { | |
8108 | return nullptr; | |
8109 | } | |
8110 | jstring jfile_path = JniUtil::toJavaString(env, &flush_job_info->file_path); | |
8111 | if (env->ExceptionCheck()) { | |
8112 | env->DeleteLocalRef(jfile_path); | |
8113 | return nullptr; | |
8114 | } | |
8115 | jobject jtable_properties = TablePropertiesJni::fromCppTableProperties( | |
8116 | env, flush_job_info->table_properties); | |
8117 | if (jtable_properties == nullptr) { | |
8118 | env->DeleteLocalRef(jcf_name); | |
8119 | env->DeleteLocalRef(jfile_path); | |
8120 | return nullptr; | |
8121 | } | |
8122 | return env->NewObject( | |
8123 | jclazz, ctor, static_cast<jlong>(flush_job_info->cf_id), jcf_name, | |
8124 | jfile_path, static_cast<jlong>(flush_job_info->thread_id), | |
8125 | static_cast<jint>(flush_job_info->job_id), | |
8126 | static_cast<jboolean>(flush_job_info->triggered_writes_slowdown), | |
8127 | static_cast<jboolean>(flush_job_info->triggered_writes_stop), | |
8128 | static_cast<jlong>(flush_job_info->smallest_seqno), | |
8129 | static_cast<jlong>(flush_job_info->largest_seqno), jtable_properties, | |
8130 | static_cast<jbyte>(flush_job_info->flush_reason)); | |
8131 | } | |
8132 | ||
8133 | static jclass getJClass(JNIEnv* env) { | |
8134 | return JavaClass::getJClass(env, "org/rocksdb/FlushJobInfo"); | |
8135 | } | |
8136 | ||
8137 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8138 | return env->GetMethodID(clazz, "<init>", | |
8139 | "(JLjava/lang/String;Ljava/lang/String;JIZZJJLorg/" | |
8140 | "rocksdb/TableProperties;B)V"); | |
8141 | } | |
8142 | }; | |
8143 | ||
8144 | class TableFileDeletionInfoJni : public JavaClass { | |
8145 | public: | |
8146 | /** | |
8147 | * Create a new Java org.rocksdb.TableFileDeletionInfo object. | |
8148 | * | |
8149 | * @param env A pointer to the Java environment | |
8150 | * @param file_del_info A Cpp table file deletion info object | |
8151 | * | |
8152 | * @return A reference to a Java org.rocksdb.TableFileDeletionInfo object, or | |
8153 | * nullptr if an an exception occurs | |
8154 | */ | |
8155 | static jobject fromCppTableFileDeletionInfo( | |
8156 | JNIEnv* env, | |
8157 | const ROCKSDB_NAMESPACE::TableFileDeletionInfo* file_del_info) { | |
8158 | jclass jclazz = getJClass(env); | |
8159 | if (jclazz == nullptr) { | |
8160 | // exception occurred accessing class | |
8161 | return nullptr; | |
8162 | } | |
8163 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8164 | assert(ctor != nullptr); | |
8165 | jstring jdb_name = JniUtil::toJavaString(env, &file_del_info->db_name); | |
8166 | if (env->ExceptionCheck()) { | |
8167 | return nullptr; | |
8168 | } | |
8169 | jobject jstatus = StatusJni::construct(env, file_del_info->status); | |
8170 | if (jstatus == nullptr) { | |
8171 | env->DeleteLocalRef(jdb_name); | |
8172 | return nullptr; | |
8173 | } | |
8174 | return env->NewObject(jclazz, ctor, jdb_name, | |
8175 | JniUtil::toJavaString(env, &file_del_info->file_path), | |
8176 | static_cast<jint>(file_del_info->job_id), jstatus); | |
8177 | } | |
8178 | ||
8179 | static jclass getJClass(JNIEnv* env) { | |
8180 | return JavaClass::getJClass(env, "org/rocksdb/TableFileDeletionInfo"); | |
8181 | } | |
8182 | ||
8183 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8184 | return env->GetMethodID( | |
8185 | clazz, "<init>", | |
8186 | "(Ljava/lang/String;Ljava/lang/String;ILorg/rocksdb/Status;)V"); | |
8187 | } | |
8188 | }; | |
8189 | ||
8190 | class CompactionJobInfoJni : public JavaClass { | |
8191 | public: | |
8192 | static jobject fromCppCompactionJobInfo( | |
8193 | JNIEnv* env, | |
8194 | const ROCKSDB_NAMESPACE::CompactionJobInfo* compaction_job_info) { | |
8195 | jclass jclazz = getJClass(env); | |
8196 | assert(jclazz != nullptr); | |
8197 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8198 | assert(ctor != nullptr); | |
8199 | return env->NewObject(jclazz, ctor, | |
8200 | reinterpret_cast<jlong>(compaction_job_info)); | |
8201 | } | |
8202 | ||
8203 | static jclass getJClass(JNIEnv* env) { | |
8204 | return JavaClass::getJClass(env, "org/rocksdb/CompactionJobInfo"); | |
8205 | } | |
8206 | ||
8207 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8208 | return env->GetMethodID(clazz, "<init>", "(J)V"); | |
8209 | } | |
8210 | }; | |
8211 | ||
8212 | class TableFileCreationInfoJni : public JavaClass { | |
8213 | public: | |
8214 | static jobject fromCppTableFileCreationInfo( | |
8215 | JNIEnv* env, const ROCKSDB_NAMESPACE::TableFileCreationInfo* info) { | |
8216 | jclass jclazz = getJClass(env); | |
8217 | assert(jclazz != nullptr); | |
8218 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8219 | assert(ctor != nullptr); | |
8220 | jstring jdb_name = JniUtil::toJavaString(env, &info->db_name); | |
8221 | if (env->ExceptionCheck()) { | |
8222 | return nullptr; | |
8223 | } | |
8224 | jstring jcf_name = JniUtil::toJavaString(env, &info->cf_name); | |
8225 | if (env->ExceptionCheck()) { | |
8226 | env->DeleteLocalRef(jdb_name); | |
8227 | return nullptr; | |
8228 | } | |
8229 | jstring jfile_path = JniUtil::toJavaString(env, &info->file_path); | |
8230 | if (env->ExceptionCheck()) { | |
8231 | env->DeleteLocalRef(jdb_name); | |
8232 | env->DeleteLocalRef(jcf_name); | |
8233 | return nullptr; | |
8234 | } | |
8235 | jobject jtable_properties = | |
8236 | TablePropertiesJni::fromCppTableProperties(env, info->table_properties); | |
8237 | if (jtable_properties == nullptr) { | |
8238 | env->DeleteLocalRef(jdb_name); | |
8239 | env->DeleteLocalRef(jcf_name); | |
8240 | return nullptr; | |
8241 | } | |
8242 | jobject jstatus = StatusJni::construct(env, info->status); | |
8243 | if (jstatus == nullptr) { | |
8244 | env->DeleteLocalRef(jdb_name); | |
8245 | env->DeleteLocalRef(jcf_name); | |
8246 | env->DeleteLocalRef(jtable_properties); | |
8247 | return nullptr; | |
8248 | } | |
8249 | return env->NewObject(jclazz, ctor, static_cast<jlong>(info->file_size), | |
8250 | jtable_properties, jstatus, jdb_name, jcf_name, | |
8251 | jfile_path, static_cast<jint>(info->job_id), | |
8252 | static_cast<jbyte>(info->reason)); | |
8253 | } | |
8254 | ||
8255 | static jclass getJClass(JNIEnv* env) { | |
8256 | return JavaClass::getJClass(env, "org/rocksdb/TableFileCreationInfo"); | |
8257 | } | |
8258 | ||
8259 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8260 | return env->GetMethodID( | |
8261 | clazz, "<init>", | |
8262 | "(JLorg/rocksdb/TableProperties;Lorg/rocksdb/Status;Ljava/lang/" | |
8263 | "String;Ljava/lang/String;Ljava/lang/String;IB)V"); | |
8264 | } | |
8265 | }; | |
8266 | ||
8267 | class TableFileCreationBriefInfoJni : public JavaClass { | |
8268 | public: | |
8269 | static jobject fromCppTableFileCreationBriefInfo( | |
8270 | JNIEnv* env, const ROCKSDB_NAMESPACE::TableFileCreationBriefInfo* info) { | |
8271 | jclass jclazz = getJClass(env); | |
8272 | assert(jclazz != nullptr); | |
8273 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8274 | assert(ctor != nullptr); | |
8275 | jstring jdb_name = JniUtil::toJavaString(env, &info->db_name); | |
8276 | if (env->ExceptionCheck()) { | |
8277 | return nullptr; | |
8278 | } | |
8279 | jstring jcf_name = JniUtil::toJavaString(env, &info->cf_name); | |
8280 | if (env->ExceptionCheck()) { | |
8281 | env->DeleteLocalRef(jdb_name); | |
8282 | return nullptr; | |
8283 | } | |
8284 | jstring jfile_path = JniUtil::toJavaString(env, &info->file_path); | |
8285 | if (env->ExceptionCheck()) { | |
8286 | env->DeleteLocalRef(jdb_name); | |
8287 | env->DeleteLocalRef(jcf_name); | |
8288 | return nullptr; | |
8289 | } | |
8290 | return env->NewObject(jclazz, ctor, jdb_name, jcf_name, jfile_path, | |
8291 | static_cast<jint>(info->job_id), | |
8292 | static_cast<jbyte>(info->reason)); | |
8293 | } | |
8294 | ||
8295 | static jclass getJClass(JNIEnv* env) { | |
8296 | return JavaClass::getJClass(env, "org/rocksdb/TableFileCreationBriefInfo"); | |
8297 | } | |
8298 | ||
8299 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8300 | return env->GetMethodID( | |
8301 | clazz, "<init>", | |
8302 | "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IB)V"); | |
8303 | } | |
8304 | }; | |
8305 | ||
8306 | class MemTableInfoJni : public JavaClass { | |
8307 | public: | |
8308 | static jobject fromCppMemTableInfo( | |
8309 | JNIEnv* env, const ROCKSDB_NAMESPACE::MemTableInfo* info) { | |
8310 | jclass jclazz = getJClass(env); | |
8311 | assert(jclazz != nullptr); | |
8312 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8313 | assert(ctor != nullptr); | |
8314 | jstring jcf_name = JniUtil::toJavaString(env, &info->cf_name); | |
8315 | if (env->ExceptionCheck()) { | |
8316 | return nullptr; | |
8317 | } | |
8318 | return env->NewObject(jclazz, ctor, jcf_name, | |
8319 | static_cast<jlong>(info->first_seqno), | |
8320 | static_cast<jlong>(info->earliest_seqno), | |
8321 | static_cast<jlong>(info->num_entries), | |
8322 | static_cast<jlong>(info->num_deletes)); | |
8323 | } | |
8324 | ||
8325 | static jclass getJClass(JNIEnv* env) { | |
8326 | return JavaClass::getJClass(env, "org/rocksdb/MemTableInfo"); | |
8327 | } | |
8328 | ||
8329 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8330 | return env->GetMethodID(clazz, "<init>", "(Ljava/lang/String;JJJJ)V"); | |
8331 | } | |
8332 | }; | |
8333 | ||
8334 | class ExternalFileIngestionInfoJni : public JavaClass { | |
8335 | public: | |
8336 | static jobject fromCppExternalFileIngestionInfo( | |
8337 | JNIEnv* env, const ROCKSDB_NAMESPACE::ExternalFileIngestionInfo* info) { | |
8338 | jclass jclazz = getJClass(env); | |
8339 | assert(jclazz != nullptr); | |
8340 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8341 | assert(ctor != nullptr); | |
8342 | jstring jcf_name = JniUtil::toJavaString(env, &info->cf_name); | |
8343 | if (env->ExceptionCheck()) { | |
8344 | return nullptr; | |
8345 | } | |
8346 | jstring jexternal_file_path = | |
8347 | JniUtil::toJavaString(env, &info->external_file_path); | |
8348 | if (env->ExceptionCheck()) { | |
8349 | env->DeleteLocalRef(jcf_name); | |
8350 | return nullptr; | |
8351 | } | |
8352 | jstring jinternal_file_path = | |
8353 | JniUtil::toJavaString(env, &info->internal_file_path); | |
8354 | if (env->ExceptionCheck()) { | |
8355 | env->DeleteLocalRef(jcf_name); | |
8356 | env->DeleteLocalRef(jexternal_file_path); | |
8357 | return nullptr; | |
8358 | } | |
8359 | jobject jtable_properties = | |
8360 | TablePropertiesJni::fromCppTableProperties(env, info->table_properties); | |
8361 | if (jtable_properties == nullptr) { | |
8362 | env->DeleteLocalRef(jcf_name); | |
8363 | env->DeleteLocalRef(jexternal_file_path); | |
8364 | env->DeleteLocalRef(jinternal_file_path); | |
8365 | return nullptr; | |
8366 | } | |
8367 | return env->NewObject( | |
8368 | jclazz, ctor, jcf_name, jexternal_file_path, jinternal_file_path, | |
8369 | static_cast<jlong>(info->global_seqno), jtable_properties); | |
8370 | } | |
8371 | ||
8372 | static jclass getJClass(JNIEnv* env) { | |
8373 | return JavaClass::getJClass(env, "org/rocksdb/ExternalFileIngestionInfo"); | |
8374 | } | |
8375 | ||
8376 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8377 | return env->GetMethodID(clazz, "<init>", | |
8378 | "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/" | |
8379 | "String;JLorg/rocksdb/TableProperties;)V"); | |
8380 | } | |
8381 | }; | |
8382 | ||
8383 | class WriteStallInfoJni : public JavaClass { | |
8384 | public: | |
8385 | static jobject fromCppWriteStallInfo( | |
8386 | JNIEnv* env, const ROCKSDB_NAMESPACE::WriteStallInfo* info) { | |
8387 | jclass jclazz = getJClass(env); | |
8388 | assert(jclazz != nullptr); | |
8389 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8390 | assert(ctor != nullptr); | |
8391 | jstring jcf_name = JniUtil::toJavaString(env, &info->cf_name); | |
8392 | if (env->ExceptionCheck()) { | |
8393 | return nullptr; | |
8394 | } | |
8395 | return env->NewObject(jclazz, ctor, jcf_name, | |
8396 | static_cast<jbyte>(info->condition.cur), | |
8397 | static_cast<jbyte>(info->condition.prev)); | |
8398 | } | |
8399 | ||
8400 | static jclass getJClass(JNIEnv* env) { | |
8401 | return JavaClass::getJClass(env, "org/rocksdb/WriteStallInfo"); | |
8402 | } | |
8403 | ||
8404 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8405 | return env->GetMethodID(clazz, "<init>", "(Ljava/lang/String;BB)V"); | |
8406 | } | |
8407 | }; | |
8408 | ||
8409 | class FileOperationInfoJni : public JavaClass { | |
8410 | public: | |
8411 | static jobject fromCppFileOperationInfo( | |
8412 | JNIEnv* env, const ROCKSDB_NAMESPACE::FileOperationInfo* info) { | |
8413 | jclass jclazz = getJClass(env); | |
8414 | assert(jclazz != nullptr); | |
8415 | static jmethodID ctor = getConstructorMethodId(env, jclazz); | |
8416 | assert(ctor != nullptr); | |
8417 | jstring jpath = JniUtil::toJavaString(env, &info->path); | |
8418 | if (env->ExceptionCheck()) { | |
8419 | return nullptr; | |
8420 | } | |
8421 | jobject jstatus = StatusJni::construct(env, info->status); | |
8422 | if (jstatus == nullptr) { | |
8423 | env->DeleteLocalRef(jpath); | |
8424 | return nullptr; | |
8425 | } | |
8426 | return env->NewObject( | |
8427 | jclazz, ctor, jpath, static_cast<jlong>(info->offset), | |
8428 | static_cast<jlong>(info->length), | |
8429 | static_cast<jlong>(info->start_ts.time_since_epoch().count()), | |
8430 | static_cast<jlong>(info->duration.count()), jstatus); | |
8431 | } | |
8432 | ||
8433 | static jclass getJClass(JNIEnv* env) { | |
8434 | return JavaClass::getJClass(env, "org/rocksdb/FileOperationInfo"); | |
8435 | } | |
8436 | ||
8437 | static jmethodID getConstructorMethodId(JNIEnv* env, jclass clazz) { | |
8438 | return env->GetMethodID(clazz, "<init>", | |
8439 | "(Ljava/lang/String;JJJJLorg/rocksdb/Status;)V"); | |
8440 | } | |
8441 | }; | |
8442 | } // namespace ROCKSDB_NAMESPACE | |
8443 | #endif // JAVA_ROCKSJNI_PORTAL_H_ |