rocksdb/java/rocksjni/write_buffer_manager.cc

39 lines
1.4 KiB
C++

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include <jni.h>
#include "include/org_rocksdb_WriteBufferManager.h"
#include "rocksdb/cache.h"
#include "rocksdb/write_buffer_manager.h"
/*
* Class: org_rocksdb_WriteBufferManager
* Method: newWriteBufferManager
* Signature: (JJ)J
*/
jlong Java_org_rocksdb_WriteBufferManager_newWriteBufferManager(
JNIEnv* /*env*/, jclass /*jclazz*/, jlong jbuffer_size, jlong jcache_handle) {
auto* cache_ptr =
reinterpret_cast<std::shared_ptr<rocksdb::Cache> *>(jcache_handle);
auto* write_buffer_manager = new std::shared_ptr<rocksdb::WriteBufferManager>(
std::make_shared<rocksdb::WriteBufferManager>(jbuffer_size, *cache_ptr));
return reinterpret_cast<jlong>(write_buffer_manager);
}
/*
* Class: org_rocksdb_WriteBufferManager
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_WriteBufferManager_disposeInternal(
JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle) {
auto* write_buffer_manager =
reinterpret_cast<std::shared_ptr<rocksdb::WriteBufferManager> *>(jhandle);
assert(write_buffer_manager != nullptr);
delete write_buffer_manager;
}