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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
44 lines
1.5 KiB
C++
44 lines
1.5 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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//
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// This file implements the "bridge" between Java and C++ and enables
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// calling C++ ROCKSDB_NAMESPACE::SstFileManager methods
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// from Java side.
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#include "rocksdb/sst_partitioner.h"
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#include <jni.h>
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#include <memory>
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#include "include/org_rocksdb_SstPartitionerFixedPrefixFactory.h"
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#include "rocksdb/sst_file_manager.h"
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#include "rocksjni/cplusplus_to_java_convert.h"
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#include "rocksjni/portal.h"
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/*
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* Class: org_rocksdb_SstPartitionerFixedPrefixFactory
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* Method: newSstPartitionerFixedPrefixFactory0
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* Signature: (J)J
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*/
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jlong Java_org_rocksdb_SstPartitionerFixedPrefixFactory_newSstPartitionerFixedPrefixFactory0(
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JNIEnv*, jclass, jlong prefix_len) {
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auto* ptr = new std::shared_ptr<ROCKSDB_NAMESPACE::SstPartitionerFactory>(
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ROCKSDB_NAMESPACE::NewSstPartitionerFixedPrefixFactory(prefix_len));
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return GET_CPLUSPLUS_POINTER(ptr);
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}
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/*
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* Class: org_rocksdb_SstPartitionerFixedPrefixFactory
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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_SstPartitionerFixedPrefixFactory_disposeInternalJni(
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JNIEnv*, jclass, jlong jhandle) {
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auto* ptr = reinterpret_cast<
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std::shared_ptr<ROCKSDB_NAMESPACE::SstPartitionerFactory>*>(jhandle);
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delete ptr; // delete std::shared_ptr
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}
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