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

   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++ for
   7 // JNI Callbacks from C++ to sub-classes or org.rocksdb.RocksCallbackObject
   8
   9 #include <jni.h>
  10
  11 #include "include/org_rocksdb_RocksCallbackObject.h"
  12 #include "jnicallback.h"
  13
  14 /*
  15  * Class:     org_rocksdb_RocksCallbackObject
  16  * Method:    disposeInternal
  17  * Signature: (J)V
  18  */
  19 void Java_org_rocksdb_RocksCallbackObject_disposeInternal(JNIEnv* /*env*/,
  20                                                           jobject /*jobj*/,
  21                                                           jlong handle) {
  22   // TODO(AR) is deleting from the super class JniCallback OK, or must we delete
  23   // the subclass? Example hierarchies:
  24   //   1) Comparator -> BaseComparatorJniCallback + JniCallback ->
  25   //   DirectComparatorJniCallback 2) Comparator -> BaseComparatorJniCallback +
  26   //   JniCallback -> ComparatorJniCallback
  27   // I think this is okay, as Comparator and JniCallback both have virtual
  28   // destructors...
  29   delete reinterpret_cast<rocksdb::JniCallback*>(handle);
  30   // @lint-ignore TXT4 T25377293 Grandfathered in
  31 }