47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
|
//
|
|
// This file implements the "bridge" between Java and C++ for
|
|
// rocksdb::FilterPolicy.
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <jni.h>
|
|
#include <string>
|
|
|
|
#include "include/org_rocksdb_Filter.h"
|
|
#include "include/org_rocksdb_BloomFilter.h"
|
|
#include "rocksjni/portal.h"
|
|
#include "rocksdb/filter_policy.h"
|
|
|
|
/*
|
|
* Class: org_rocksdb_BloomFilter
|
|
* Method: createBloomFilter
|
|
* Signature: (IZ)J
|
|
*/
|
|
jlong Java_org_rocksdb_BloomFilter_createNewBloomFilter(
|
|
JNIEnv* env, jclass jcls, jint bits_per_key,
|
|
jboolean use_block_base_builder) {
|
|
auto* fp = const_cast<rocksdb::FilterPolicy *>(
|
|
rocksdb::NewBloomFilterPolicy(bits_per_key, use_block_base_builder));
|
|
auto* pFilterPolicy =
|
|
new std::shared_ptr<rocksdb::FilterPolicy>;
|
|
*pFilterPolicy = std::shared_ptr<rocksdb::FilterPolicy>(fp);
|
|
return reinterpret_cast<jlong>(pFilterPolicy);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_Filter
|
|
* Method: disposeInternal
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_Filter_disposeInternal(
|
|
JNIEnv* env, jobject jobj, jlong jhandle) {
|
|
|
|
std::shared_ptr<rocksdb::FilterPolicy> *handle =
|
|
reinterpret_cast<std::shared_ptr<rocksdb::FilterPolicy> *>(jhandle);
|
|
handle->reset();
|
|
}
|