bafbc23baa
Previous to this commit Filters passed as parameters to the BlockTableConfig are disposed before they should be disposed. Further Smart pointer usage was corrected. Java holds now the smart pointer to the FilterPolicy correctly and cares about freeing underlying c++ structures.
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// Copyright (c) 2014, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// This file implements the "bridge" between Java and C++ for
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// rocksdb::FilterPolicy.
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#include <stdio.h>
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#include <stdlib.h>
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#include <jni.h>
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#include <string>
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#include "include/org_rocksdb_Filter.h"
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#include "include/org_rocksdb_BloomFilter.h"
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#include "rocksjni/portal.h"
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#include "rocksdb/filter_policy.h"
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/*
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* Class: org_rocksdb_BloomFilter
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* Method: createBloomFilter
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* Signature: (IZ)V
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*/
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void Java_org_rocksdb_BloomFilter_createNewBloomFilter(
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JNIEnv* env, jobject jobj, jint bits_per_key,
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jboolean use_block_base_builder) {
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rocksdb::FilterPolicy* fp = const_cast<rocksdb::FilterPolicy *>(
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rocksdb::NewBloomFilterPolicy(bits_per_key, use_block_base_builder));
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std::shared_ptr<rocksdb::FilterPolicy> *pFilterPolicy =
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new std::shared_ptr<rocksdb::FilterPolicy>;
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*pFilterPolicy = std::shared_ptr<rocksdb::FilterPolicy>(fp);
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rocksdb::FilterJni::setHandle(env, jobj, pFilterPolicy);
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}
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/*
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* Class: org_rocksdb_Filter
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* Method: disposeInternal
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* Signature: (J)V
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*/
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void Java_org_rocksdb_Filter_disposeInternal(
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JNIEnv* env, jobject jobj, jlong jhandle) {
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std::shared_ptr<rocksdb::FilterPolicy> *handle =
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reinterpret_cast<std::shared_ptr<rocksdb::FilterPolicy> *>(jhandle);
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handle->reset();
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}
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