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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::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/portal.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* sptr_filter = new std::shared_ptr<const rocksdb::FilterPolicy>(
rocksdb::NewBloomFilterPolicy(bits_per_key, use_block_base_builder));
return reinterpret_cast<jlong>(sptr_filter);
}
/*
* Class: org_rocksdb_Filter
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_Filter_disposeInternal(JNIEnv* /*env*/, jobject /*jobj*/,
jlong jhandle) {
auto* handle =
reinterpret_cast<std::shared_ptr<const rocksdb::FilterPolicy>*>(jhandle);
delete handle; // delete std::shared_ptr
}
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