ceph/src/rocksdb/java/rocksjni/comparator.cc

   1 // Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 // This source code is licensed under the BSD-style license found in the
   3 // LICENSE file in the root directory of this source tree. An additional grant
   4 // of patent rights can be found in the PATENTS file in the same directory.
   5 //
   6 // This file implements the "bridge" between Java and C++ for
   7 // rocksdb::Comparator.
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <jni.h>
  12 #include <string>
  13 #include <functional>
  14
  15 #include "include/org_rocksdb_AbstractComparator.h"
  16 #include "include/org_rocksdb_Comparator.h"
  17 #include "include/org_rocksdb_DirectComparator.h"
  18 #include "rocksjni/comparatorjnicallback.h"
  19 #include "rocksjni/portal.h"
  20
  21 // <editor-fold desc="org.rocksdb.AbstractComparator>
  22
  23 /*
  24  * Class:     org_rocksdb_AbstractComparator
  25  * Method:    disposeInternal
  26  * Signature: (J)V
  27  */
  28 void Java_org_rocksdb_AbstractComparator_disposeInternal(
  29     JNIEnv* env, jobject jobj, jlong handle) {
  30   auto* bcjc = reinterpret_cast<rocksdb::BaseComparatorJniCallback*>(handle);
  31   assert(bcjc != nullptr);
  32   delete bcjc;
  33 }
  34 // </editor-fold>
  35
  36 // <editor-fold desc="org.rocksdb.Comparator>
  37
  38 /*
  39  * Class:     org_rocksdb_Comparator
  40  * Method:    createNewComparator0
  41  * Signature: ()J
  42  */
  43 jlong Java_org_rocksdb_Comparator_createNewComparator0(
  44     JNIEnv* env, jobject jobj, jlong copt_handle) {
  45   const rocksdb::ComparatorJniCallbackOptions* copt =
  46     reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
  47   const rocksdb::ComparatorJniCallback* c =
  48     new rocksdb::ComparatorJniCallback(env, jobj, copt);
  49   return reinterpret_cast<jlong>(c);
  50 }
  51 // </editor-fold>
  52
  53 // <editor-fold desc="org.rocksdb.DirectComparator>
  54
  55 /*
  56  * Class:     org_rocksdb_DirectComparator
  57  * Method:    createNewDirectComparator0
  58  * Signature: ()J
  59  */
  60 jlong Java_org_rocksdb_DirectComparator_createNewDirectComparator0(
  61     JNIEnv* env, jobject jobj, jlong copt_handle) {
  62   const rocksdb::ComparatorJniCallbackOptions* copt =
  63     reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
  64   const rocksdb::DirectComparatorJniCallback* c =
  65     new rocksdb::DirectComparatorJniCallback(env, jobj, copt);
  66   return reinterpret_cast<jlong>(c);
  67 }
  68 // </editor-fold>