fork of https://github.com/rust-rocksdb/rust-rocksdb for nextgraph
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47 lines
1.5 KiB
47 lines
1.5 KiB
1 year ago
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// This file implements the "bridge" between Java and C++ for
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// ROCKSDB_NAMESPACE::FilterPolicy.
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#include <jni.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string>
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#include "include/org_rocksdb_BloomFilter.h"
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#include "include/org_rocksdb_Filter.h"
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#include "rocksdb/filter_policy.h"
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#include "rocksjni/cplusplus_to_java_convert.h"
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#include "rocksjni/portal.h"
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/*
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* Class: org_rocksdb_BloomFilter
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* Method: createBloomFilter
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* Signature: (DZ)J
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*/
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jlong Java_org_rocksdb_BloomFilter_createNewBloomFilter(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jdouble bits_per_key) {
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auto* sptr_filter =
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new std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>(
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ROCKSDB_NAMESPACE::NewBloomFilterPolicy(bits_per_key));
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return GET_CPLUSPLUS_POINTER(sptr_filter);
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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(JNIEnv* /*env*/, jobject /*jobj*/,
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jlong jhandle) {
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auto* handle =
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reinterpret_cast<std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>*>(
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jhandle);
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delete handle; // delete std::shared_ptr
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}
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