8673a8c567
Summary: Closes https://github.com/facebook/rocksdb/pull/2589 Differential Revision: D5431502 Pulled By: siying fbshipit-source-id: 8ebf8c87883daa9daa54b2303d11ce01ab1f6f75
41 lines
1.3 KiB
C++
41 lines
1.3 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++ for
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// rocksdb::ClockCache.
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#include <jni.h>
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#include "cache/clock_cache.h"
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#include "include/org_rocksdb_ClockCache.h"
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/*
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* Class: org_rocksdb_ClockCache
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* Method: newClockCache
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* Signature: (JIZ)J
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*/
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jlong Java_org_rocksdb_ClockCache_newClockCache(
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JNIEnv* env, jclass jcls, jlong jcapacity, jint jnum_shard_bits,
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jboolean jstrict_capacity_limit) {
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auto* sptr_clock_cache =
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new std::shared_ptr<rocksdb::Cache>(rocksdb::NewClockCache(
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static_cast<size_t>(jcapacity),
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static_cast<int>(jnum_shard_bits),
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static_cast<bool>(jstrict_capacity_limit)));
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return reinterpret_cast<jlong>(sptr_clock_cache);
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}
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/*
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* Class: org_rocksdb_ClockCache
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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_ClockCache_disposeInternal(
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JNIEnv* env, jobject jobj, jlong jhandle) {
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auto* sptr_clock_cache =
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reinterpret_cast<std::shared_ptr<rocksdb::Cache> *>(jhandle);
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delete sptr_clock_cache; // delete std::shared_ptr
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}
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