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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 implements the "bridge" between Java and C++ and enables | |
7 | // calling c++ ROCKSDB_NAMESPACE::WriteBatchWithIndex methods from Java side. | |
8 | ||
9 | #include "rocksdb/utilities/write_batch_with_index.h" | |
10 | ||
11 | #include "include/org_rocksdb_WBWIRocksIterator.h" | |
12 | #include "include/org_rocksdb_WriteBatchWithIndex.h" | |
13 | #include "rocksdb/comparator.h" | |
14 | #include "rocksjni/cplusplus_to_java_convert.h" | |
15 | #include "rocksjni/portal.h" | |
16 | ||
17 | /* | |
18 | * Class: org_rocksdb_WriteBatchWithIndex | |
19 | * Method: newWriteBatchWithIndex | |
20 | * Signature: ()J | |
21 | */ | |
22 | jlong Java_org_rocksdb_WriteBatchWithIndex_newWriteBatchWithIndex__( | |
23 | JNIEnv* /*env*/, jclass /*jcls*/) { | |
24 | auto* wbwi = new ROCKSDB_NAMESPACE::WriteBatchWithIndex(); | |
25 | return GET_CPLUSPLUS_POINTER(wbwi); | |
26 | } | |
27 | ||
28 | /* | |
29 | * Class: org_rocksdb_WriteBatchWithIndex | |
30 | * Method: newWriteBatchWithIndex | |
31 | * Signature: (Z)J | |
32 | */ | |
33 | jlong Java_org_rocksdb_WriteBatchWithIndex_newWriteBatchWithIndex__Z( | |
34 | JNIEnv* /*env*/, jclass /*jcls*/, jboolean joverwrite_key) { | |
35 | auto* wbwi = new ROCKSDB_NAMESPACE::WriteBatchWithIndex( | |
36 | ROCKSDB_NAMESPACE::BytewiseComparator(), 0, | |
37 | static_cast<bool>(joverwrite_key)); | |
38 | return GET_CPLUSPLUS_POINTER(wbwi); | |
39 | } | |
40 | ||
41 | /* | |
42 | * Class: org_rocksdb_WriteBatchWithIndex | |
43 | * Method: newWriteBatchWithIndex | |
44 | * Signature: (JBIZ)J | |
45 | */ | |
46 | jlong Java_org_rocksdb_WriteBatchWithIndex_newWriteBatchWithIndex__JBIZ( | |
47 | JNIEnv* /*env*/, jclass /*jcls*/, jlong jfallback_index_comparator_handle, | |
48 | jbyte jcomparator_type, jint jreserved_bytes, jboolean joverwrite_key) { | |
49 | ROCKSDB_NAMESPACE::Comparator* fallback_comparator = nullptr; | |
50 | switch (jcomparator_type) { | |
51 | // JAVA_COMPARATOR | |
52 | case 0x0: | |
53 | fallback_comparator = | |
54 | reinterpret_cast<ROCKSDB_NAMESPACE::ComparatorJniCallback*>( | |
55 | jfallback_index_comparator_handle); | |
56 | break; | |
57 | ||
58 | // JAVA_NATIVE_COMPARATOR_WRAPPER | |
59 | case 0x1: | |
60 | fallback_comparator = reinterpret_cast<ROCKSDB_NAMESPACE::Comparator*>( | |
61 | jfallback_index_comparator_handle); | |
62 | break; | |
63 | } | |
64 | auto* wbwi = new ROCKSDB_NAMESPACE::WriteBatchWithIndex( | |
65 | fallback_comparator, static_cast<size_t>(jreserved_bytes), | |
66 | static_cast<bool>(joverwrite_key)); | |
67 | return GET_CPLUSPLUS_POINTER(wbwi); | |
68 | } | |
69 | ||
70 | /* | |
71 | * Class: org_rocksdb_WriteBatchWithIndex | |
72 | * Method: count0 | |
73 | * Signature: (J)I | |
74 | */ | |
75 | jint Java_org_rocksdb_WriteBatchWithIndex_count0(JNIEnv* /*env*/, | |
76 | jobject /*jobj*/, | |
77 | jlong jwbwi_handle) { | |
78 | auto* wbwi = | |
79 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
80 | assert(wbwi != nullptr); | |
81 | ||
82 | return static_cast<jint>(wbwi->GetWriteBatch()->Count()); | |
83 | } | |
84 | ||
85 | /* | |
86 | * Class: org_rocksdb_WriteBatchWithIndex | |
87 | * Method: put | |
88 | * Signature: (J[BI[BI)V | |
89 | */ | |
90 | void Java_org_rocksdb_WriteBatchWithIndex_put__J_3BI_3BI( | |
91 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jkey, | |
92 | jint jkey_len, jbyteArray jentry_value, jint jentry_value_len) { | |
93 | auto* wbwi = | |
94 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
95 | assert(wbwi != nullptr); | |
96 | auto put = [&wbwi](ROCKSDB_NAMESPACE::Slice key, | |
97 | ROCKSDB_NAMESPACE::Slice value) { | |
98 | return wbwi->Put(key, value); | |
99 | }; | |
100 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
101 | ROCKSDB_NAMESPACE::JniUtil::kv_op(put, env, jobj, jkey, jkey_len, | |
102 | jentry_value, jentry_value_len); | |
103 | if (status != nullptr && !status->ok()) { | |
104 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
105 | } | |
106 | } | |
107 | ||
108 | /* | |
109 | * Class: org_rocksdb_WriteBatchWithIndex | |
110 | * Method: put | |
111 | * Signature: (J[BI[BIJ)V | |
112 | */ | |
113 | void Java_org_rocksdb_WriteBatchWithIndex_put__J_3BI_3BIJ( | |
114 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jkey, | |
115 | jint jkey_len, jbyteArray jentry_value, jint jentry_value_len, | |
116 | jlong jcf_handle) { | |
117 | auto* wbwi = | |
118 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
119 | assert(wbwi != nullptr); | |
120 | auto* cf_handle = | |
121 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
122 | assert(cf_handle != nullptr); | |
123 | auto put = [&wbwi, &cf_handle](ROCKSDB_NAMESPACE::Slice key, | |
124 | ROCKSDB_NAMESPACE::Slice value) { | |
125 | return wbwi->Put(cf_handle, key, value); | |
126 | }; | |
127 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
128 | ROCKSDB_NAMESPACE::JniUtil::kv_op(put, env, jobj, jkey, jkey_len, | |
129 | jentry_value, jentry_value_len); | |
130 | if (status != nullptr && !status->ok()) { | |
131 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
132 | } | |
133 | } | |
134 | ||
135 | /* | |
136 | * Class: org_rocksdb_WriteBatchWithIndex | |
137 | * Method: putDirect | |
138 | * Signature: (JLjava/nio/ByteBuffer;IILjava/nio/ByteBuffer;IIJ)V | |
139 | */ | |
140 | void Java_org_rocksdb_WriteBatchWithIndex_putDirect( | |
141 | JNIEnv* env, jobject /*jobj*/, jlong jwb_handle, jobject jkey, | |
142 | jint jkey_offset, jint jkey_len, jobject jval, jint jval_offset, | |
143 | jint jval_len, jlong jcf_handle) { | |
144 | auto* wb = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle); | |
145 | assert(wb != nullptr); | |
146 | auto* cf_handle = | |
147 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
148 | auto put = [&wb, &cf_handle](ROCKSDB_NAMESPACE::Slice& key, | |
149 | ROCKSDB_NAMESPACE::Slice& value) { | |
150 | if (cf_handle == nullptr) { | |
151 | wb->Put(key, value); | |
152 | } else { | |
153 | wb->Put(cf_handle, key, value); | |
154 | } | |
155 | }; | |
156 | ROCKSDB_NAMESPACE::JniUtil::kv_op_direct( | |
157 | put, env, jkey, jkey_offset, jkey_len, jval, jval_offset, jval_len); | |
158 | } | |
159 | ||
160 | /* | |
161 | * Class: org_rocksdb_WriteBatchWithIndex | |
162 | * Method: merge | |
163 | * Signature: (J[BI[BI)V | |
164 | */ | |
165 | void Java_org_rocksdb_WriteBatchWithIndex_merge__J_3BI_3BI( | |
166 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jkey, | |
167 | jint jkey_len, jbyteArray jentry_value, jint jentry_value_len) { | |
168 | auto* wbwi = | |
169 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
170 | assert(wbwi != nullptr); | |
171 | auto merge = [&wbwi](ROCKSDB_NAMESPACE::Slice key, | |
172 | ROCKSDB_NAMESPACE::Slice value) { | |
173 | return wbwi->Merge(key, value); | |
174 | }; | |
175 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
176 | ROCKSDB_NAMESPACE::JniUtil::kv_op(merge, env, jobj, jkey, jkey_len, | |
177 | jentry_value, jentry_value_len); | |
178 | if (status != nullptr && !status->ok()) { | |
179 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
180 | } | |
181 | } | |
182 | ||
183 | /* | |
184 | * Class: org_rocksdb_WriteBatchWithIndex | |
185 | * Method: merge | |
186 | * Signature: (J[BI[BIJ)V | |
187 | */ | |
188 | void Java_org_rocksdb_WriteBatchWithIndex_merge__J_3BI_3BIJ( | |
189 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jkey, | |
190 | jint jkey_len, jbyteArray jentry_value, jint jentry_value_len, | |
191 | jlong jcf_handle) { | |
192 | auto* wbwi = | |
193 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
194 | assert(wbwi != nullptr); | |
195 | auto* cf_handle = | |
196 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
197 | assert(cf_handle != nullptr); | |
198 | auto merge = [&wbwi, &cf_handle](ROCKSDB_NAMESPACE::Slice key, | |
199 | ROCKSDB_NAMESPACE::Slice value) { | |
200 | return wbwi->Merge(cf_handle, key, value); | |
201 | }; | |
202 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
203 | ROCKSDB_NAMESPACE::JniUtil::kv_op(merge, env, jobj, jkey, jkey_len, | |
204 | jentry_value, jentry_value_len); | |
205 | if (status != nullptr && !status->ok()) { | |
206 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
207 | } | |
208 | } | |
209 | ||
210 | /* | |
211 | * Class: org_rocksdb_WriteBatchWithIndex | |
212 | * Method: delete | |
213 | * Signature: (J[BI)V | |
214 | */ | |
215 | void Java_org_rocksdb_WriteBatchWithIndex_delete__J_3BI(JNIEnv* env, | |
216 | jobject jobj, | |
217 | jlong jwbwi_handle, | |
218 | jbyteArray jkey, | |
219 | jint jkey_len) { | |
220 | auto* wbwi = | |
221 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
222 | assert(wbwi != nullptr); | |
223 | auto remove = [&wbwi](ROCKSDB_NAMESPACE::Slice key) { | |
224 | return wbwi->Delete(key); | |
225 | }; | |
226 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
227 | ROCKSDB_NAMESPACE::JniUtil::k_op(remove, env, jobj, jkey, jkey_len); | |
228 | if (status != nullptr && !status->ok()) { | |
229 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
230 | } | |
231 | } | |
232 | ||
233 | /* | |
234 | * Class: org_rocksdb_WriteBatchWithIndex | |
235 | * Method: delete | |
236 | * Signature: (J[BIJ)V | |
237 | */ | |
238 | void Java_org_rocksdb_WriteBatchWithIndex_delete__J_3BIJ( | |
239 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jkey, | |
240 | jint jkey_len, jlong jcf_handle) { | |
241 | auto* wbwi = | |
242 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
243 | assert(wbwi != nullptr); | |
244 | auto* cf_handle = | |
245 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
246 | assert(cf_handle != nullptr); | |
247 | auto remove = [&wbwi, &cf_handle](ROCKSDB_NAMESPACE::Slice key) { | |
248 | return wbwi->Delete(cf_handle, key); | |
249 | }; | |
250 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
251 | ROCKSDB_NAMESPACE::JniUtil::k_op(remove, env, jobj, jkey, jkey_len); | |
252 | if (status != nullptr && !status->ok()) { | |
253 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
254 | } | |
255 | } | |
256 | ||
257 | /* | |
258 | * Class: org_rocksdb_WriteBatchWithIndex | |
259 | * Method: singleDelete | |
260 | * Signature: (J[BI)V | |
261 | */ | |
262 | void Java_org_rocksdb_WriteBatchWithIndex_singleDelete__J_3BI( | |
263 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jkey, | |
264 | jint jkey_len) { | |
265 | auto* wbwi = | |
266 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
267 | assert(wbwi != nullptr); | |
268 | auto single_delete = [&wbwi](ROCKSDB_NAMESPACE::Slice key) { | |
269 | return wbwi->SingleDelete(key); | |
270 | }; | |
271 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
272 | ROCKSDB_NAMESPACE::JniUtil::k_op(single_delete, env, jobj, jkey, | |
273 | jkey_len); | |
274 | if (status != nullptr && !status->ok()) { | |
275 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
276 | } | |
277 | } | |
278 | ||
279 | /* | |
280 | * Class: org_rocksdb_WriteBatchWithIndex | |
281 | * Method: singleDelete | |
282 | * Signature: (J[BIJ)V | |
283 | */ | |
284 | void Java_org_rocksdb_WriteBatchWithIndex_singleDelete__J_3BIJ( | |
285 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jkey, | |
286 | jint jkey_len, jlong jcf_handle) { | |
287 | auto* wbwi = | |
288 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
289 | assert(wbwi != nullptr); | |
290 | auto* cf_handle = | |
291 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
292 | assert(cf_handle != nullptr); | |
293 | auto single_delete = [&wbwi, &cf_handle](ROCKSDB_NAMESPACE::Slice key) { | |
294 | return wbwi->SingleDelete(cf_handle, key); | |
295 | }; | |
296 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
297 | ROCKSDB_NAMESPACE::JniUtil::k_op(single_delete, env, jobj, jkey, | |
298 | jkey_len); | |
299 | if (status != nullptr && !status->ok()) { | |
300 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
301 | } | |
302 | } | |
303 | ||
304 | /* | |
305 | * Class: org_rocksdb_WriteBatchWithIndex | |
306 | * Method: deleteDirect | |
307 | * Signature: (JLjava/nio/ByteBuffer;IIJ)V | |
308 | */ | |
309 | void Java_org_rocksdb_WriteBatchWithIndex_deleteDirect( | |
310 | JNIEnv* env, jobject /*jobj*/, jlong jwb_handle, jobject jkey, | |
311 | jint jkey_offset, jint jkey_len, jlong jcf_handle) { | |
312 | auto* wb = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle); | |
313 | assert(wb != nullptr); | |
314 | auto* cf_handle = | |
315 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
316 | auto remove = [&wb, &cf_handle](ROCKSDB_NAMESPACE::Slice& key) { | |
317 | if (cf_handle == nullptr) { | |
318 | wb->Delete(key); | |
319 | } else { | |
320 | wb->Delete(cf_handle, key); | |
321 | } | |
322 | }; | |
323 | ROCKSDB_NAMESPACE::JniUtil::k_op_direct(remove, env, jkey, jkey_offset, | |
324 | jkey_len); | |
325 | } | |
326 | ||
327 | /* | |
328 | * Class: org_rocksdb_WriteBatchWithIndex | |
329 | * Method: deleteRange | |
330 | * Signature: (J[BI[BI)V | |
331 | */ | |
332 | void Java_org_rocksdb_WriteBatchWithIndex_deleteRange__J_3BI_3BI( | |
333 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jbegin_key, | |
334 | jint jbegin_key_len, jbyteArray jend_key, jint jend_key_len) { | |
335 | auto* wbwi = | |
336 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
337 | assert(wbwi != nullptr); | |
338 | auto deleteRange = [&wbwi](ROCKSDB_NAMESPACE::Slice beginKey, | |
339 | ROCKSDB_NAMESPACE::Slice endKey) { | |
340 | return wbwi->DeleteRange(beginKey, endKey); | |
341 | }; | |
342 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
343 | ROCKSDB_NAMESPACE::JniUtil::kv_op(deleteRange, env, jobj, jbegin_key, | |
344 | jbegin_key_len, jend_key, jend_key_len); | |
345 | if (status != nullptr && !status->ok()) { | |
346 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
347 | } | |
348 | } | |
349 | ||
350 | /* | |
351 | * Class: org_rocksdb_WriteBatchWithIndex | |
352 | * Method: deleteRange | |
353 | * Signature: (J[BI[BIJ)V | |
354 | */ | |
355 | void Java_org_rocksdb_WriteBatchWithIndex_deleteRange__J_3BI_3BIJ( | |
356 | JNIEnv* env, jobject jobj, jlong jwbwi_handle, jbyteArray jbegin_key, | |
357 | jint jbegin_key_len, jbyteArray jend_key, jint jend_key_len, | |
358 | jlong jcf_handle) { | |
359 | auto* wbwi = | |
360 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
361 | assert(wbwi != nullptr); | |
362 | auto* cf_handle = | |
363 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
364 | assert(cf_handle != nullptr); | |
365 | auto deleteRange = [&wbwi, &cf_handle](ROCKSDB_NAMESPACE::Slice beginKey, | |
366 | ROCKSDB_NAMESPACE::Slice endKey) { | |
367 | return wbwi->DeleteRange(cf_handle, beginKey, endKey); | |
368 | }; | |
369 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
370 | ROCKSDB_NAMESPACE::JniUtil::kv_op(deleteRange, env, jobj, jbegin_key, | |
371 | jbegin_key_len, jend_key, jend_key_len); | |
372 | if (status != nullptr && !status->ok()) { | |
373 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
374 | } | |
375 | } | |
376 | ||
377 | /* | |
378 | * Class: org_rocksdb_WriteBatchWithIndex | |
379 | * Method: putLogData | |
380 | * Signature: (J[BI)V | |
381 | */ | |
382 | void Java_org_rocksdb_WriteBatchWithIndex_putLogData(JNIEnv* env, jobject jobj, | |
383 | jlong jwbwi_handle, | |
384 | jbyteArray jblob, | |
385 | jint jblob_len) { | |
386 | auto* wbwi = | |
387 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
388 | assert(wbwi != nullptr); | |
389 | auto putLogData = [&wbwi](ROCKSDB_NAMESPACE::Slice blob) { | |
390 | return wbwi->PutLogData(blob); | |
391 | }; | |
392 | std::unique_ptr<ROCKSDB_NAMESPACE::Status> status = | |
393 | ROCKSDB_NAMESPACE::JniUtil::k_op(putLogData, env, jobj, jblob, jblob_len); | |
394 | if (status != nullptr && !status->ok()) { | |
395 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, status); | |
396 | } | |
397 | } | |
398 | ||
399 | /* | |
400 | * Class: org_rocksdb_WriteBatchWithIndex | |
401 | * Method: clear | |
402 | * Signature: (J)V | |
403 | */ | |
404 | void Java_org_rocksdb_WriteBatchWithIndex_clear0(JNIEnv* /*env*/, | |
405 | jobject /*jobj*/, | |
406 | jlong jwbwi_handle) { | |
407 | auto* wbwi = | |
408 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
409 | assert(wbwi != nullptr); | |
410 | ||
411 | wbwi->Clear(); | |
412 | } | |
413 | ||
414 | /* | |
415 | * Class: org_rocksdb_WriteBatchWithIndex | |
416 | * Method: setSavePoint0 | |
417 | * Signature: (J)V | |
418 | */ | |
419 | void Java_org_rocksdb_WriteBatchWithIndex_setSavePoint0(JNIEnv* /*env*/, | |
420 | jobject /*jobj*/, | |
421 | jlong jwbwi_handle) { | |
422 | auto* wbwi = | |
423 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
424 | assert(wbwi != nullptr); | |
425 | ||
426 | wbwi->SetSavePoint(); | |
427 | } | |
428 | ||
429 | /* | |
430 | * Class: org_rocksdb_WriteBatchWithIndex | |
431 | * Method: rollbackToSavePoint0 | |
432 | * Signature: (J)V | |
433 | */ | |
434 | void Java_org_rocksdb_WriteBatchWithIndex_rollbackToSavePoint0( | |
435 | JNIEnv* env, jobject /*jobj*/, jlong jwbwi_handle) { | |
436 | auto* wbwi = | |
437 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
438 | assert(wbwi != nullptr); | |
439 | ||
440 | auto s = wbwi->RollbackToSavePoint(); | |
441 | ||
442 | if (s.ok()) { | |
443 | return; | |
444 | } | |
445 | ||
446 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s); | |
447 | } | |
448 | ||
449 | /* | |
450 | * Class: org_rocksdb_WriteBatchWithIndex | |
451 | * Method: popSavePoint | |
452 | * Signature: (J)V | |
453 | */ | |
454 | void Java_org_rocksdb_WriteBatchWithIndex_popSavePoint(JNIEnv* env, | |
455 | jobject /*jobj*/, | |
456 | jlong jwbwi_handle) { | |
457 | auto* wbwi = | |
458 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
459 | assert(wbwi != nullptr); | |
460 | ||
461 | auto s = wbwi->PopSavePoint(); | |
462 | ||
463 | if (s.ok()) { | |
464 | return; | |
465 | } | |
466 | ||
467 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s); | |
468 | } | |
469 | ||
470 | /* | |
471 | * Class: org_rocksdb_WriteBatchWithIndex | |
472 | * Method: setMaxBytes | |
473 | * Signature: (JJ)V | |
474 | */ | |
475 | void Java_org_rocksdb_WriteBatchWithIndex_setMaxBytes(JNIEnv* /*env*/, | |
476 | jobject /*jobj*/, | |
477 | jlong jwbwi_handle, | |
478 | jlong jmax_bytes) { | |
479 | auto* wbwi = | |
480 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
481 | assert(wbwi != nullptr); | |
482 | ||
483 | wbwi->SetMaxBytes(static_cast<size_t>(jmax_bytes)); | |
484 | } | |
485 | ||
486 | /* | |
487 | * Class: org_rocksdb_WriteBatchWithIndex | |
488 | * Method: getWriteBatch | |
489 | * Signature: (J)Lorg/rocksdb/WriteBatch; | |
490 | */ | |
491 | jobject Java_org_rocksdb_WriteBatchWithIndex_getWriteBatch(JNIEnv* env, | |
492 | jobject /*jobj*/, | |
493 | jlong jwbwi_handle) { | |
494 | auto* wbwi = | |
495 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
496 | assert(wbwi != nullptr); | |
497 | ||
498 | auto* wb = wbwi->GetWriteBatch(); | |
499 | ||
500 | // TODO(AR) is the `wb` object owned by us? | |
501 | return ROCKSDB_NAMESPACE::WriteBatchJni::construct(env, wb); | |
502 | } | |
503 | ||
504 | /* | |
505 | * Class: org_rocksdb_WriteBatchWithIndex | |
506 | * Method: iterator0 | |
507 | * Signature: (J)J | |
508 | */ | |
509 | jlong Java_org_rocksdb_WriteBatchWithIndex_iterator0(JNIEnv* /*env*/, | |
510 | jobject /*jobj*/, | |
511 | jlong jwbwi_handle) { | |
512 | auto* wbwi = | |
513 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
514 | auto* wbwi_iterator = wbwi->NewIterator(); | |
515 | return GET_CPLUSPLUS_POINTER(wbwi_iterator); | |
516 | } | |
517 | ||
518 | /* | |
519 | * Class: org_rocksdb_WriteBatchWithIndex | |
520 | * Method: iterator1 | |
521 | * Signature: (JJ)J | |
522 | */ | |
523 | jlong Java_org_rocksdb_WriteBatchWithIndex_iterator1(JNIEnv* /*env*/, | |
524 | jobject /*jobj*/, | |
525 | jlong jwbwi_handle, | |
526 | jlong jcf_handle) { | |
527 | auto* wbwi = | |
528 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
529 | auto* cf_handle = | |
530 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
531 | auto* wbwi_iterator = wbwi->NewIterator(cf_handle); | |
532 | return GET_CPLUSPLUS_POINTER(wbwi_iterator); | |
533 | } | |
534 | ||
535 | /* | |
536 | * Class: org_rocksdb_WriteBatchWithIndex | |
537 | * Method: iteratorWithBase | |
538 | * Signature: (JJJJ)J | |
539 | */ | |
540 | jlong Java_org_rocksdb_WriteBatchWithIndex_iteratorWithBase( | |
541 | JNIEnv*, jobject, jlong jwbwi_handle, jlong jcf_handle, | |
542 | jlong jbase_iterator_handle, jlong jread_opts_handle) { | |
543 | auto* wbwi = | |
544 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
545 | auto* cf_handle = | |
546 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
547 | auto* base_iterator = | |
548 | reinterpret_cast<ROCKSDB_NAMESPACE::Iterator*>(jbase_iterator_handle); | |
549 | ROCKSDB_NAMESPACE::ReadOptions* read_opts = | |
550 | jread_opts_handle == 0 | |
551 | ? nullptr | |
552 | : reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>( | |
553 | jread_opts_handle); | |
554 | auto* iterator = | |
555 | wbwi->NewIteratorWithBase(cf_handle, base_iterator, read_opts); | |
556 | return GET_CPLUSPLUS_POINTER(iterator); | |
557 | } | |
558 | ||
559 | /* | |
560 | * Class: org_rocksdb_WriteBatchWithIndex | |
561 | * Method: getFromBatch | |
562 | * Signature: (JJ[BI)[B | |
563 | */ | |
564 | jbyteArray JNICALL Java_org_rocksdb_WriteBatchWithIndex_getFromBatch__JJ_3BI( | |
565 | JNIEnv* env, jobject /*jobj*/, jlong jwbwi_handle, jlong jdbopt_handle, | |
566 | jbyteArray jkey, jint jkey_len) { | |
567 | auto* wbwi = | |
568 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
569 | auto* dbopt = reinterpret_cast<ROCKSDB_NAMESPACE::DBOptions*>(jdbopt_handle); | |
570 | ||
571 | auto getter = [&wbwi, &dbopt](const ROCKSDB_NAMESPACE::Slice& key, | |
572 | std::string* value) { | |
573 | return wbwi->GetFromBatch(*dbopt, key, value); | |
574 | }; | |
575 | ||
576 | return ROCKSDB_NAMESPACE::JniUtil::v_op(getter, env, jkey, jkey_len); | |
577 | } | |
578 | ||
579 | /* | |
580 | * Class: org_rocksdb_WriteBatchWithIndex | |
581 | * Method: getFromBatch | |
582 | * Signature: (JJ[BIJ)[B | |
583 | */ | |
584 | jbyteArray Java_org_rocksdb_WriteBatchWithIndex_getFromBatch__JJ_3BIJ( | |
585 | JNIEnv* env, jobject /*jobj*/, jlong jwbwi_handle, jlong jdbopt_handle, | |
586 | jbyteArray jkey, jint jkey_len, jlong jcf_handle) { | |
587 | auto* wbwi = | |
588 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
589 | auto* dbopt = reinterpret_cast<ROCKSDB_NAMESPACE::DBOptions*>(jdbopt_handle); | |
590 | auto* cf_handle = | |
591 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
592 | ||
593 | auto getter = [&wbwi, &cf_handle, &dbopt](const ROCKSDB_NAMESPACE::Slice& key, | |
594 | std::string* value) { | |
595 | return wbwi->GetFromBatch(cf_handle, *dbopt, key, value); | |
596 | }; | |
597 | ||
598 | return ROCKSDB_NAMESPACE::JniUtil::v_op(getter, env, jkey, jkey_len); | |
599 | } | |
600 | ||
601 | /* | |
602 | * Class: org_rocksdb_WriteBatchWithIndex | |
603 | * Method: getFromBatchAndDB | |
604 | * Signature: (JJJ[BI)[B | |
605 | */ | |
606 | jbyteArray Java_org_rocksdb_WriteBatchWithIndex_getFromBatchAndDB__JJJ_3BI( | |
607 | JNIEnv* env, jobject /*jobj*/, jlong jwbwi_handle, jlong jdb_handle, | |
608 | jlong jreadopt_handle, jbyteArray jkey, jint jkey_len) { | |
609 | auto* wbwi = | |
610 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
611 | auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle); | |
612 | auto* readopt = | |
613 | reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jreadopt_handle); | |
614 | ||
615 | auto getter = [&wbwi, &db, &readopt](const ROCKSDB_NAMESPACE::Slice& key, | |
616 | std::string* value) { | |
617 | return wbwi->GetFromBatchAndDB(db, *readopt, key, value); | |
618 | }; | |
619 | ||
620 | return ROCKSDB_NAMESPACE::JniUtil::v_op(getter, env, jkey, jkey_len); | |
621 | } | |
622 | ||
623 | /* | |
624 | * Class: org_rocksdb_WriteBatchWithIndex | |
625 | * Method: getFromBatchAndDB | |
626 | * Signature: (JJJ[BIJ)[B | |
627 | */ | |
628 | jbyteArray Java_org_rocksdb_WriteBatchWithIndex_getFromBatchAndDB__JJJ_3BIJ( | |
629 | JNIEnv* env, jobject /*jobj*/, jlong jwbwi_handle, jlong jdb_handle, | |
630 | jlong jreadopt_handle, jbyteArray jkey, jint jkey_len, jlong jcf_handle) { | |
631 | auto* wbwi = | |
632 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle); | |
633 | auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle); | |
634 | auto* readopt = | |
635 | reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jreadopt_handle); | |
636 | auto* cf_handle = | |
637 | reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle); | |
638 | ||
639 | auto getter = [&wbwi, &db, &cf_handle, &readopt]( | |
640 | const ROCKSDB_NAMESPACE::Slice& key, std::string* value) { | |
641 | return wbwi->GetFromBatchAndDB(db, *readopt, cf_handle, key, value); | |
642 | }; | |
643 | ||
644 | return ROCKSDB_NAMESPACE::JniUtil::v_op(getter, env, jkey, jkey_len); | |
645 | } | |
646 | ||
647 | /* | |
648 | * Class: org_rocksdb_WriteBatchWithIndex | |
649 | * Method: disposeInternal | |
650 | * Signature: (J)V | |
651 | */ | |
652 | void Java_org_rocksdb_WriteBatchWithIndex_disposeInternal(JNIEnv* /*env*/, | |
653 | jobject /*jobj*/, | |
654 | jlong handle) { | |
655 | auto* wbwi = | |
656 | reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(handle); | |
657 | assert(wbwi != nullptr); | |
658 | delete wbwi; | |
659 | } | |
660 | ||
661 | /* WBWIRocksIterator below */ | |
662 | ||
663 | /* | |
664 | * Class: org_rocksdb_WBWIRocksIterator | |
665 | * Method: disposeInternal | |
666 | * Signature: (J)V | |
667 | */ | |
668 | void Java_org_rocksdb_WBWIRocksIterator_disposeInternal(JNIEnv* /*env*/, | |
669 | jobject /*jobj*/, | |
670 | jlong handle) { | |
671 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
672 | assert(it != nullptr); | |
673 | delete it; | |
674 | } | |
675 | ||
676 | /* | |
677 | * Class: org_rocksdb_WBWIRocksIterator | |
678 | * Method: isValid0 | |
679 | * Signature: (J)Z | |
680 | */ | |
681 | jboolean Java_org_rocksdb_WBWIRocksIterator_isValid0(JNIEnv* /*env*/, | |
682 | jobject /*jobj*/, | |
683 | jlong handle) { | |
684 | return reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle)->Valid(); | |
685 | } | |
686 | ||
687 | /* | |
688 | * Class: org_rocksdb_WBWIRocksIterator | |
689 | * Method: seekToFirst0 | |
690 | * Signature: (J)V | |
691 | */ | |
692 | void Java_org_rocksdb_WBWIRocksIterator_seekToFirst0(JNIEnv* /*env*/, | |
693 | jobject /*jobj*/, | |
694 | jlong handle) { | |
695 | reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle)->SeekToFirst(); | |
696 | } | |
697 | ||
698 | /* | |
699 | * Class: org_rocksdb_WBWIRocksIterator | |
700 | * Method: seekToLast0 | |
701 | * Signature: (J)V | |
702 | */ | |
703 | void Java_org_rocksdb_WBWIRocksIterator_seekToLast0(JNIEnv* /*env*/, | |
704 | jobject /*jobj*/, | |
705 | jlong handle) { | |
706 | reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle)->SeekToLast(); | |
707 | } | |
708 | ||
709 | /* | |
710 | * Class: org_rocksdb_WBWIRocksIterator | |
711 | * Method: next0 | |
712 | * Signature: (J)V | |
713 | */ | |
714 | void Java_org_rocksdb_WBWIRocksIterator_next0(JNIEnv* /*env*/, jobject /*jobj*/, | |
715 | jlong handle) { | |
716 | reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle)->Next(); | |
717 | } | |
718 | ||
719 | /* | |
720 | * Class: org_rocksdb_WBWIRocksIterator | |
721 | * Method: prev0 | |
722 | * Signature: (J)V | |
723 | */ | |
724 | void Java_org_rocksdb_WBWIRocksIterator_prev0(JNIEnv* /*env*/, jobject /*jobj*/, | |
725 | jlong handle) { | |
726 | reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle)->Prev(); | |
727 | } | |
728 | ||
729 | /* | |
730 | * Class: org_rocksdb_WBWIRocksIterator | |
731 | * Method: seek0 | |
732 | * Signature: (J[BI)V | |
733 | */ | |
734 | void Java_org_rocksdb_WBWIRocksIterator_seek0(JNIEnv* env, jobject /*jobj*/, | |
735 | jlong handle, jbyteArray jtarget, | |
736 | jint jtarget_len) { | |
737 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
738 | jbyte* target = new jbyte[jtarget_len]; | |
739 | env->GetByteArrayRegion(jtarget, 0, jtarget_len, target); | |
740 | if (env->ExceptionCheck()) { | |
741 | // exception thrown: ArrayIndexOutOfBoundsException | |
742 | delete[] target; | |
743 | return; | |
744 | } | |
745 | ||
746 | ROCKSDB_NAMESPACE::Slice target_slice(reinterpret_cast<char*>(target), | |
747 | jtarget_len); | |
748 | ||
749 | it->Seek(target_slice); | |
750 | ||
751 | delete[] target; | |
752 | } | |
753 | ||
754 | /* | |
755 | * Class: org_rocksdb_WBWIRocksIterator | |
756 | * Method: seekDirect0 | |
757 | * Signature: (JLjava/nio/ByteBuffer;II)V | |
758 | */ | |
759 | void Java_org_rocksdb_WBWIRocksIterator_seekDirect0( | |
760 | JNIEnv* env, jobject /*jobj*/, jlong handle, jobject jtarget, | |
761 | jint jtarget_off, jint jtarget_len) { | |
762 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
763 | auto seek = [&it](ROCKSDB_NAMESPACE::Slice& target_slice) { | |
764 | it->Seek(target_slice); | |
765 | }; | |
766 | ROCKSDB_NAMESPACE::JniUtil::k_op_direct(seek, env, jtarget, jtarget_off, | |
767 | jtarget_len); | |
768 | } | |
769 | ||
770 | /* | |
771 | * This method supports fetching into indirect byte buffers; | |
772 | * the Java wrapper extracts the byte[] and passes it here. | |
773 | * | |
774 | * Class: org_rocksdb_WBWIRocksIterator | |
775 | * Method: seekByteArray0 | |
776 | * Signature: (J[BII)V | |
777 | */ | |
778 | void Java_org_rocksdb_WBWIRocksIterator_seekByteArray0( | |
779 | JNIEnv* env, jobject /*jobj*/, jlong handle, jbyteArray jtarget, | |
780 | jint jtarget_off, jint jtarget_len) { | |
781 | const std::unique_ptr<char[]> target(new char[jtarget_len]); | |
782 | if (target == nullptr) { | |
783 | jclass oom_class = env->FindClass("/lang/java/OutOfMemoryError"); | |
784 | env->ThrowNew(oom_class, | |
785 | "Memory allocation failed in RocksDB JNI function"); | |
786 | return; | |
787 | } | |
788 | env->GetByteArrayRegion(jtarget, jtarget_off, jtarget_len, | |
789 | reinterpret_cast<jbyte*>(target.get())); | |
790 | ||
791 | ROCKSDB_NAMESPACE::Slice target_slice(target.get(), jtarget_len); | |
792 | ||
793 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
794 | it->Seek(target_slice); | |
795 | } | |
796 | ||
797 | /* | |
798 | * Class: org_rocksdb_WBWIRocksIterator | |
799 | * Method: seekForPrev0 | |
800 | * Signature: (J[BI)V | |
801 | */ | |
802 | void Java_org_rocksdb_WBWIRocksIterator_seekForPrev0(JNIEnv* env, | |
803 | jobject /*jobj*/, | |
804 | jlong handle, | |
805 | jbyteArray jtarget, | |
806 | jint jtarget_len) { | |
807 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
808 | jbyte* target = new jbyte[jtarget_len]; | |
809 | env->GetByteArrayRegion(jtarget, 0, jtarget_len, target); | |
810 | if (env->ExceptionCheck()) { | |
811 | // exception thrown: ArrayIndexOutOfBoundsException | |
812 | delete[] target; | |
813 | return; | |
814 | } | |
815 | ||
816 | ROCKSDB_NAMESPACE::Slice target_slice(reinterpret_cast<char*>(target), | |
817 | jtarget_len); | |
818 | ||
819 | it->SeekForPrev(target_slice); | |
820 | ||
821 | delete[] target; | |
822 | } | |
823 | ||
824 | /* | |
825 | * Class: org_rocksdb_WBWIRocksIterator | |
826 | * Method: seekForPrevDirect0 | |
827 | * Signature: (JLjava/nio/ByteBuffer;II)V | |
828 | */ | |
829 | void Java_org_rocksdb_WBWIRocksIterator_seekForPrevDirect0( | |
830 | JNIEnv* env, jobject /*jobj*/, jlong handle, jobject jtarget, | |
831 | jint jtarget_off, jint jtarget_len) { | |
832 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
833 | auto seek_for_prev = [&it](ROCKSDB_NAMESPACE::Slice& target_slice) { | |
834 | it->SeekForPrev(target_slice); | |
835 | }; | |
836 | ROCKSDB_NAMESPACE::JniUtil::k_op_direct(seek_for_prev, env, jtarget, | |
837 | jtarget_off, jtarget_len); | |
838 | } | |
839 | ||
840 | /* | |
841 | * This method supports fetching into indirect byte buffers; | |
842 | * the Java wrapper extracts the byte[] and passes it here. | |
843 | * | |
844 | * Class: org_rocksdb_WBWIRocksIterator | |
845 | * Method: seekForPrevByteArray0 | |
846 | * Signature: (J[BII)V | |
847 | */ | |
848 | void Java_org_rocksdb_WBWIRocksIterator_seekForPrevByteArray0( | |
849 | JNIEnv* env, jobject /*jobj*/, jlong handle, jbyteArray jtarget, | |
850 | jint jtarget_off, jint jtarget_len) { | |
851 | const std::unique_ptr<char[]> target(new char[jtarget_len]); | |
852 | if (target == nullptr) { | |
853 | jclass oom_class = env->FindClass("/lang/java/OutOfMemoryError"); | |
854 | env->ThrowNew(oom_class, | |
855 | "Memory allocation failed in RocksDB JNI function"); | |
856 | return; | |
857 | } | |
858 | env->GetByteArrayRegion(jtarget, jtarget_off, jtarget_len, | |
859 | reinterpret_cast<jbyte*>(target.get())); | |
860 | ||
861 | ROCKSDB_NAMESPACE::Slice target_slice(target.get(), jtarget_len); | |
862 | ||
863 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
864 | it->SeekForPrev(target_slice); | |
865 | } | |
866 | ||
867 | /* | |
868 | * Class: org_rocksdb_WBWIRocksIterator | |
869 | * Method: status0 | |
870 | * Signature: (J)V | |
871 | */ | |
872 | void Java_org_rocksdb_WBWIRocksIterator_status0(JNIEnv* env, jobject /*jobj*/, | |
873 | jlong handle) { | |
874 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
875 | ROCKSDB_NAMESPACE::Status s = it->status(); | |
876 | ||
877 | if (s.ok()) { | |
878 | return; | |
879 | } | |
880 | ||
881 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s); | |
882 | } | |
883 | ||
884 | /* | |
885 | * Class: org_rocksdb_WBWIRocksIterator | |
886 | * Method: entry1 | |
887 | * Signature: (J)[J | |
888 | */ | |
889 | jlongArray Java_org_rocksdb_WBWIRocksIterator_entry1(JNIEnv* env, | |
890 | jobject /*jobj*/, | |
891 | jlong handle) { | |
892 | auto* it = reinterpret_cast<ROCKSDB_NAMESPACE::WBWIIterator*>(handle); | |
893 | const ROCKSDB_NAMESPACE::WriteEntry& we = it->Entry(); | |
894 | ||
895 | jlong results[3]; | |
896 | ||
897 | // set the type of the write entry | |
898 | results[0] = ROCKSDB_NAMESPACE::WriteTypeJni::toJavaWriteType(we.type); | |
899 | ||
900 | // NOTE: key_slice and value_slice will be freed by | |
901 | // org.rocksdb.DirectSlice#close | |
902 | ||
903 | auto* key_slice = new ROCKSDB_NAMESPACE::Slice(we.key.data(), we.key.size()); | |
904 | results[1] = GET_CPLUSPLUS_POINTER(key_slice); | |
905 | if (we.type == ROCKSDB_NAMESPACE::kDeleteRecord || | |
906 | we.type == ROCKSDB_NAMESPACE::kSingleDeleteRecord || | |
907 | we.type == ROCKSDB_NAMESPACE::kLogDataRecord) { | |
908 | // set native handle of value slice to null if no value available | |
909 | results[2] = 0; | |
910 | } else { | |
911 | auto* value_slice = | |
912 | new ROCKSDB_NAMESPACE::Slice(we.value.data(), we.value.size()); | |
913 | results[2] = GET_CPLUSPLUS_POINTER(value_slice); | |
914 | } | |
915 | ||
916 | jlongArray jresults = env->NewLongArray(3); | |
917 | if (jresults == nullptr) { | |
918 | // exception thrown: OutOfMemoryError | |
919 | if (results[2] != 0) { | |
920 | auto* value_slice = | |
921 | reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(results[2]); | |
922 | delete value_slice; | |
923 | } | |
924 | delete key_slice; | |
925 | return nullptr; | |
926 | } | |
927 | ||
928 | env->SetLongArrayRegion(jresults, 0, 3, results); | |
929 | if (env->ExceptionCheck()) { | |
930 | // exception thrown: ArrayIndexOutOfBoundsException | |
931 | env->DeleteLocalRef(jresults); | |
932 | if (results[2] != 0) { | |
933 | auto* value_slice = | |
934 | reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(results[2]); | |
935 | delete value_slice; | |
936 | } | |
937 | delete key_slice; | |
938 | return nullptr; | |
939 | } | |
940 | ||
941 | return jresults; | |
942 | } | |
943 | ||
944 | /* | |
945 | * Class: org_rocksdb_WBWIRocksIterator | |
946 | * Method: refresh0 | |
947 | * Signature: (J)V | |
948 | */ | |
949 | void Java_org_rocksdb_WBWIRocksIterator_refresh0(JNIEnv* env) { | |
950 | ROCKSDB_NAMESPACE::Status s = | |
951 | ROCKSDB_NAMESPACE::Status::NotSupported("Refresh() is not supported"); | |
952 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s); | |
953 | } |