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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_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/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 reinterpret_cast<jlong>(c);
}
/*
* Class: org_rocksdb_AbstractComparator
* Method: usingDirectBuffers
* Signature: (J)Z
*/
jboolean Java_org_rocksdb_AbstractComparator_usingDirectBuffers(
JNIEnv*, jobject, 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*/, jobject /*jobj*/, jlong jcomparator_handle) {
auto* comparator =
reinterpret_cast<ROCKSDB_NAMESPACE::Comparator*>(jcomparator_handle);
delete comparator;
}
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