1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// 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_NAMESPACE::Comparator.
#include <jni.h>
#include <stdio.h>
#include <stdlib.h>
#include <functional>
#include <string>
#include "include/org_rocksdb_AbstractComparator.h"
#include "include/org_rocksdb_NativeComparatorWrapper.h"
#include "rocksjni/comparatorjnicallback.h"
#include "rocksjni/cplusplus_to_java_convert.h"
#include "rocksjni/portal.h"
/*
* Class: org_rocksdb_AbstractComparator
* Method: createNewComparator
* Signature: (J)J
*/
jlong Java_org_rocksdb_AbstractComparator_createNewComparator(
JNIEnv* env, jobject jcomparator, jlong copt_handle) {
auto* copt =
reinterpret_cast<ROCKSDB_NAMESPACE::ComparatorJniCallbackOptions*>(
copt_handle);
auto* c =
new ROCKSDB_NAMESPACE::ComparatorJniCallback(env, jcomparator, copt);
return GET_CPLUSPLUS_POINTER(c);
}
/*
* Class: org_rocksdb_AbstractComparator
* Method: usingDirectBuffers
* Signature: (J)Z
*/
jboolean Java_org_rocksdb_AbstractComparator_usingDirectBuffers(JNIEnv*, jclass,
jlong jhandle) {
auto* c =
reinterpret_cast<ROCKSDB_NAMESPACE::ComparatorJniCallback*>(jhandle);
return static_cast<jboolean>(c->m_options->direct_buffer);
}
/*
* Class: org_rocksdb_NativeComparatorWrapper
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_NativeComparatorWrapper_disposeInternal(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jcomparator_handle) {
auto* comparator =
reinterpret_cast<ROCKSDB_NAMESPACE::Comparator*>(jcomparator_handle);
delete comparator;
}
|
