1 // Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
2 // This source code is licensed under both the GPLv2 (found in the
3 // COPYING file in the root directory) and Apache 2.0 License
4 // (found in the LICENSE.Apache file in the root directory).
5 //
6 // This file implements the "bridge" between Java and C++ for
7 // ROCKSDB_NAMESPACE::FilterPolicy.
8
9 #include <jni.h>
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <string>
13
14 #include "include/org_rocksdb_BloomFilter.h"
15 #include "include/org_rocksdb_Filter.h"
16 #include "rocksdb/filter_policy.h"
17 #include "rocksjni/portal.h"
18
19 /*
20 * Class: org_rocksdb_BloomFilter
21 * Method: createBloomFilter
22 * Signature: (DZ)J
23 */
Java_org_rocksdb_BloomFilter_createNewBloomFilter(JNIEnv *,jclass,jdouble bits_per_key,jboolean use_block_base_builder)24 jlong Java_org_rocksdb_BloomFilter_createNewBloomFilter(
25 JNIEnv* /*env*/, jclass /*jcls*/, jdouble bits_per_key,
26 jboolean use_block_base_builder) {
27 auto* sptr_filter =
28 new std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>(
29 ROCKSDB_NAMESPACE::NewBloomFilterPolicy(bits_per_key,
30 use_block_base_builder));
31 return reinterpret_cast<jlong>(sptr_filter);
32 }
33
34 /*
35 * Class: org_rocksdb_Filter
36 * Method: disposeInternal
37 * Signature: (J)V
38 */
Java_org_rocksdb_Filter_disposeInternal(JNIEnv *,jobject,jlong jhandle)39 void Java_org_rocksdb_Filter_disposeInternal(JNIEnv* /*env*/, jobject /*jobj*/,
40 jlong jhandle) {
41 auto* handle =
42 reinterpret_cast<std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>*>(
43 jhandle);
44 delete handle; // delete std::shared_ptr
45 }
46