rocksdb/java/rocksjni/cassandra_value_operator.cc
Radek Hubner 0bf9079d44 Change Java native methods to static (#11882)
Summary:
This should give us some performance benefit calling native C++ code.
Closes https://github.com/facebook/rocksdb/issues/4786
See https://github.com/evolvedbinary/jni-benchmarks/ for more info.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11882

Reviewed By: pdillinger

Differential Revision: D53066207

Pulled By: ajkr

fbshipit-source-id: daedef185215d0d8e791cd85bef598900bcb5bf2
2024-01-25 12:36:30 -08:00

51 lines
1.6 KiB
C++

// Copyright (c) 2017-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).
#include <jni.h>
#include <stdio.h>
#include <stdlib.h>
#include <memory>
#include <string>
#include "include/org_rocksdb_CassandraValueMergeOperator.h"
#include "rocksdb/db.h"
#include "rocksdb/memtablerep.h"
#include "rocksdb/merge_operator.h"
#include "rocksdb/options.h"
#include "rocksdb/slice_transform.h"
#include "rocksdb/statistics.h"
#include "rocksdb/table.h"
#include "rocksjni/cplusplus_to_java_convert.h"
#include "rocksjni/portal.h"
#include "utilities/cassandra/merge_operator.h"
/*
* Class: org_rocksdb_CassandraValueMergeOperator
* Method: newSharedCassandraValueMergeOperator
* Signature: (II)J
*/
jlong Java_org_rocksdb_CassandraValueMergeOperator_newSharedCassandraValueMergeOperator(
JNIEnv* /*env*/, jclass /*jclazz*/, jint gcGracePeriodInSeconds,
jint operands_limit) {
auto* op = new std::shared_ptr<ROCKSDB_NAMESPACE::MergeOperator>(
new ROCKSDB_NAMESPACE::cassandra::CassandraValueMergeOperator(
gcGracePeriodInSeconds, operands_limit));
return GET_CPLUSPLUS_POINTER(op);
}
/*
* Class: org_rocksdb_CassandraValueMergeOperator
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_CassandraValueMergeOperator_disposeInternalJni(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle) {
auto* op =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::MergeOperator>*>(
jhandle);
delete op;
}