1 // Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
2 // This source code is licensed under both the GPLv2 (found in the
3 // COPYING file in the root directory) and Apache 2.0 License
4 // (found in the LICENSE.Apache file in the root directory).
5 //
6 // This file implements the "bridge" between Java and C++ for
7 // ROCKSDB_NAMESPACE::ClockCache.
8
9 #include <jni.h>
10
11 #include "cache/clock_cache.h"
12 #include "include/org_rocksdb_ClockCache.h"
13
14 /*
15 * Class: org_rocksdb_ClockCache
16 * Method: newClockCache
17 * Signature: (JIZ)J
18 */
Java_org_rocksdb_ClockCache_newClockCache(JNIEnv *,jclass,jlong jcapacity,jint jnum_shard_bits,jboolean jstrict_capacity_limit)19 jlong Java_org_rocksdb_ClockCache_newClockCache(
20 JNIEnv* /*env*/, jclass /*jcls*/, jlong jcapacity, jint jnum_shard_bits,
21 jboolean jstrict_capacity_limit) {
22 auto* sptr_clock_cache = new std::shared_ptr<ROCKSDB_NAMESPACE::Cache>(
23 ROCKSDB_NAMESPACE::NewClockCache(
24 static_cast<size_t>(jcapacity), static_cast<int>(jnum_shard_bits),
25 static_cast<bool>(jstrict_capacity_limit)));
26 return reinterpret_cast<jlong>(sptr_clock_cache);
27 }
28
29 /*
30 * Class: org_rocksdb_ClockCache
31 * Method: disposeInternal
32 * Signature: (J)V
33 */
Java_org_rocksdb_ClockCache_disposeInternal(JNIEnv *,jobject,jlong jhandle)34 void Java_org_rocksdb_ClockCache_disposeInternal(JNIEnv* /*env*/,
35 jobject /*jobj*/,
36 jlong jhandle) {
37 auto* sptr_clock_cache =
38 reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Cache>*>(jhandle);
39 delete sptr_clock_cache; // delete std::shared_ptr
40 }
41