rocksdb/java/rocksjni/cache.cc

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// 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::Cache.
#include "rocksdb/cache.h"
#include <jni.h>
#include "include/org_rocksdb_Cache.h"
/*
* Class: org_rocksdb_Cache
* Method: getUsage
* Signature: (J)J
*/
jlong Java_org_rocksdb_Cache_getUsage(JNIEnv*, jclass, jlong jhandle) {
auto* sptr_cache =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Cache>*>(jhandle);
return static_cast<jlong>(sptr_cache->get()->GetUsage());
}
/*
* Class: org_rocksdb_Cache
* Method: getPinnedUsage
* Signature: (J)J
*/
jlong Java_org_rocksdb_Cache_getPinnedUsage(JNIEnv*, jclass, jlong jhandle) {
auto* sptr_cache =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Cache>*>(jhandle);
return static_cast<jlong>(sptr_cache->get()->GetPinnedUsage());
}