rocksdb/java/rocksjni/comparator.cc

89 lines
3 KiB
C++

// Copyright (c) 2014, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
// This file implements the "bridge" between Java and C++ for
// rocksdb::Comparator.
#include <stdio.h>
#include <stdlib.h>
#include <jni.h>
#include <string>
#include <functional>
#include "include/org_rocksdb_AbstractComparator.h"
#include "include/org_rocksdb_Comparator.h"
#include "include/org_rocksdb_DirectComparator.h"
#include "rocksjni/comparatorjnicallback.h"
#include "rocksjni/portal.h"
//<editor-fold desc="org.rocksdb.ComparatorOptions">
void Java_org_rocksdb_ComparatorOptions_newComparatorOptions(
JNIEnv* env, jobject jobj, jstring jpath, jboolean jshare_table_files,
jboolean jsync, jboolean jdestroy_old_data, jboolean jbackup_log_files,
jlong jbackup_rate_limit, jlong jrestore_rate_limit) {
jbackup_rate_limit = (jbackup_rate_limit <= 0) ? 0 : jbackup_rate_limit;
jrestore_rate_limit = (jrestore_rate_limit <= 0) ? 0 : jrestore_rate_limit;
const char* cpath = env->GetStringUTFChars(jpath, 0);
auto bopt = new rocksdb::BackupableDBOptions(cpath, nullptr,
jshare_table_files, nullptr, jsync, jdestroy_old_data, jbackup_log_files,
jbackup_rate_limit, jrestore_rate_limit);
env->ReleaseStringUTFChars(jpath, cpath);
rocksdb::BackupableDBOptionsJni::setHandle(env, jobj, bopt);
}
//</editor-fold>
//<editor-fold desc="org.rocksdb.AbstractComparator>
/*
* Class: org_rocksdb_AbstractComparator
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_AbstractComparator_disposeInternal(
JNIEnv* env, jobject jobj, jlong handle) {
delete reinterpret_cast<rocksdb::BaseComparatorJniCallback*>(handle);
}
//</editor-fold>
//<editor-fold desc="org.rocksdb.Comparator>
/*
* Class: org_rocksdb_Comparator
* Method: createNewComparator0
* Signature: ()V
*/
void Java_org_rocksdb_Comparator_createNewComparator0(
JNIEnv* env, jobject jobj, jlong copt_handle) {
const rocksdb::ComparatorJniCallbackOptions* copt = reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
const rocksdb::ComparatorJniCallback* c = new rocksdb::ComparatorJniCallback(env, jobj, copt);
rocksdb::AbstractComparatorJni::setHandle(env, jobj, c);
}
//</editor-fold>
//<editor-fold desc="org.rocksdb.DirectComparator>
/*
* Class: org_rocksdb_DirectComparator
* Method: createNewDirectComparator0
* Signature: ()V
*/
void Java_org_rocksdb_DirectComparator_createNewDirectComparator0(
JNIEnv* env, jobject jobj, jlong copt_handle) {
const rocksdb::ComparatorJniCallbackOptions* copt = reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
const rocksdb::DirectComparatorJniCallback* c = new rocksdb::DirectComparatorJniCallback(env, jobj, copt);
rocksdb::AbstractComparatorJni::setHandle(env, jobj, c);
}
//</editor-fold>