mirror of https://github.com/facebook/rocksdb.git
42 lines
1.5 KiB
C++
42 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++ for
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// ROCKSDB_NAMESPACE::HyperClockCache.
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#include <jni.h>
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#include "cache/clock_cache.h"
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#include "include/org_rocksdb_HyperClockCache.h"
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#include "rocksjni/cplusplus_to_java_convert.h"
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/*
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* Class: org_rocksdb_HyperClockCache
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* Method: newHyperClockCache
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* Signature: (JJIZ)J
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*/
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jlong Java_org_rocksdb_HyperClockCache_newHyperClockCache(
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JNIEnv*, jclass, jlong capacity, jlong estimatedEntryCharge,
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jint numShardBits, jboolean strictCapacityLimit) {
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ROCKSDB_NAMESPACE::HyperClockCacheOptions cacheOptions =
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ROCKSDB_NAMESPACE::HyperClockCacheOptions(
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capacity, estimatedEntryCharge, numShardBits, strictCapacityLimit);
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auto* cache = new std::shared_ptr<ROCKSDB_NAMESPACE::Cache>(
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cacheOptions.MakeSharedCache());
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return GET_CPLUSPLUS_POINTER(cache);
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}
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/*
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* Class: org_rocksdb_HyperClockCache
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* Method: disposeInternalJni
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* Signature: (J)V
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*/
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void Java_org_rocksdb_HyperClockCache_disposeInternalJni(JNIEnv*, jclass,
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jlong jhandle) {
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auto* hyper_clock_cache =
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reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Cache>*>(jhandle);
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delete hyper_clock_cache; // delete std::shared_ptr
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} |