mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-28 05:43:50 +00:00
0bf9079d44
Summary: This should give us some performance benefit calling native C++ code. Closes https://github.com/facebook/rocksdb/issues/4786 See https://github.com/evolvedbinary/jni-benchmarks/ for more info. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11882 Reviewed By: pdillinger Differential Revision: D53066207 Pulled By: ajkr fbshipit-source-id: daedef185215d0d8e791cd85bef598900bcb5bf2
48 lines
1.6 KiB
C++
48 lines
1.6 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::FilterPolicy.
|
|
|
|
#include <jni.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <string>
|
|
|
|
#include "include/org_rocksdb_BloomFilter.h"
|
|
#include "include/org_rocksdb_Filter.h"
|
|
#include "rocksdb/filter_policy.h"
|
|
#include "rocksjni/cplusplus_to_java_convert.h"
|
|
#include "rocksjni/portal.h"
|
|
|
|
/*
|
|
* Class: org_rocksdb_BloomFilter
|
|
* Method: createBloomFilter
|
|
* Signature: (DZ)J
|
|
*/
|
|
jlong Java_org_rocksdb_BloomFilter_createNewBloomFilter(JNIEnv* /*env*/,
|
|
jclass /*jcls*/,
|
|
jdouble bits_per_key) {
|
|
auto* sptr_filter =
|
|
new std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>(
|
|
ROCKSDB_NAMESPACE::NewBloomFilterPolicy(bits_per_key));
|
|
return GET_CPLUSPLUS_POINTER(sptr_filter);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_Filter
|
|
* Method: disposeInternal
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_Filter_disposeInternalJni(JNIEnv* /*env*/,
|
|
jclass /*jcls*/,
|
|
jlong jhandle) {
|
|
auto* handle =
|
|
reinterpret_cast<std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>*>(
|
|
jhandle);
|
|
delete handle; // delete std::shared_ptr
|
|
}
|