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https://github.com/facebook/rocksdb.git
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0bf9079d44
Summary: This should give us some performance benefit calling native C++ code. Closes https://github.com/facebook/rocksdb/issues/4786 See https://github.com/evolvedbinary/jni-benchmarks/ for more info. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11882 Reviewed By: pdillinger Differential Revision: D53066207 Pulled By: ajkr fbshipit-source-id: daedef185215d0d8e791cd85bef598900bcb5bf2
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "rocksdb/write_buffer_manager.h"
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#include <jni.h>
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#include <cassert>
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#include "include/org_rocksdb_WriteBufferManager.h"
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#include "rocksdb/cache.h"
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#include "rocksjni/cplusplus_to_java_convert.h"
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/*
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* Class: org_rocksdb_WriteBufferManager
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* Method: newWriteBufferManager
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* Signature: (JJ)J
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*/
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jlong Java_org_rocksdb_WriteBufferManager_newWriteBufferManager(
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JNIEnv* /*env*/, jclass /*jclazz*/, jlong jbuffer_size, jlong jcache_handle,
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jboolean allow_stall) {
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auto* cache_ptr =
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reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Cache>*>(
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jcache_handle);
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auto* write_buffer_manager =
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new std::shared_ptr<ROCKSDB_NAMESPACE::WriteBufferManager>(
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std::make_shared<ROCKSDB_NAMESPACE::WriteBufferManager>(
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jbuffer_size, *cache_ptr, allow_stall));
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return GET_CPLUSPLUS_POINTER(write_buffer_manager);
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}
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/*
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* Class: org_rocksdb_WriteBufferManager
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* Method: disposeInternal
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* Signature: (J)V
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*/
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void Java_org_rocksdb_WriteBufferManager_disposeInternalJni(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jlong jhandle) {
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auto* write_buffer_manager =
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reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::WriteBufferManager>*>(
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jhandle);
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assert(write_buffer_manager != nullptr);
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delete write_buffer_manager;
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}
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