rocksdb/java/rocksjni/comparator.cc

64 lines
2.0 KiB
C++

// 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::Comparator.
#include <jni.h>
#include <stdio.h>
#include <stdlib.h>
#include <functional>
#include <string>
#include "include/org_rocksdb_Comparator.h"
#include "include/org_rocksdb_DirectComparator.h"
#include "include/org_rocksdb_NativeComparatorWrapper.h"
#include "rocksjni/comparatorjnicallback.h"
#include "rocksjni/portal.h"
// <editor-fold desc="org.rocksdb.Comparator>
/*
* Class: org_rocksdb_Comparator
* Method: createNewComparator0
* Signature: ()J
*/
jlong Java_org_rocksdb_Comparator_createNewComparator0(JNIEnv* env,
jobject jobj,
jlong copt_handle) {
auto* copt =
reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
auto* c = new rocksdb::ComparatorJniCallback(env, jobj, copt);
return reinterpret_cast<jlong>(c);
}
// </editor-fold>
// <editor-fold desc="org.rocksdb.DirectComparator>
/*
* Class: org_rocksdb_DirectComparator
* Method: createNewDirectComparator0
* Signature: ()J
*/
jlong Java_org_rocksdb_DirectComparator_createNewDirectComparator0(
JNIEnv* env, jobject jobj, jlong copt_handle) {
auto* copt =
reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
auto* c = new rocksdb::DirectComparatorJniCallback(env, jobj, copt);
return reinterpret_cast<jlong>(c);
}
/*
* 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::Comparator*>(jcomparator_handle);
delete comparator;
}
// </editor-fold>