rocksdb/java/rocksjni/hyper_clock_cache.cc
Radek Hubner 2f9ea8193f Add HyperClockCache Java API. (#12065)
Summary:
Fix https://github.com/facebook/rocksdb/issues/11510

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12065

Reviewed By: ajkr

Differential Revision: D51406695

Pulled By: cbi42

fbshipit-source-id: b9e32da5f9bcafb5365e4349f7295be90d5aa7ba
2023-11-16 15:46:31 -08:00

42 lines
1.5 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).
//
// This file implements the "bridge" between Java and C++ for
// ROCKSDB_NAMESPACE::HyperClockCache.
#include <jni.h>
#include "cache/clock_cache.h"
#include "include/org_rocksdb_HyperClockCache.h"
#include "rocksjni/cplusplus_to_java_convert.h"
/*
* Class: org_rocksdb_HyperClockCache
* Method: newHyperClockCache
* Signature: (JJIZ)J
*/
jlong Java_org_rocksdb_HyperClockCache_newHyperClockCache(
JNIEnv*, jclass, jlong capacity, jlong estimatedEntryCharge,
jint numShardBits, jboolean strictCapacityLimit) {
ROCKSDB_NAMESPACE::HyperClockCacheOptions cacheOptions =
ROCKSDB_NAMESPACE::HyperClockCacheOptions(
capacity, estimatedEntryCharge, numShardBits, strictCapacityLimit);
auto* cache = new std::shared_ptr<ROCKSDB_NAMESPACE::Cache>(
cacheOptions.MakeSharedCache());
return GET_CPLUSPLUS_POINTER(cache);
}
/*
* Class: org_rocksdb_HyperClockCache
* Method: disposeInternalJni
* Signature: (J)V
*/
void Java_org_rocksdb_HyperClockCache_disposeInternalJni(JNIEnv*, jclass,
jlong jhandle) {
auto* hyper_clock_cache =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Cache>*>(jhandle);
delete hyper_clock_cache; // delete std::shared_ptr
}