rocksdb/java/rocksjni/transaction_notifier.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

45 lines
1.6 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_NAMESPACE::TransactionNotifier.
#include <jni.h>
#include "include/org_rocksdb_AbstractTransactionNotifier.h"
#include "rocksjni/cplusplus_to_java_convert.h"
#include "rocksjni/transaction_notifier_jnicallback.h"
/*
* Class: org_rocksdb_AbstractTransactionNotifier
* Method: createNewTransactionNotifier
* Signature: ()J
*/
jlong Java_org_rocksdb_AbstractTransactionNotifier_createNewTransactionNotifier(
JNIEnv* env, jobject jobj) {
auto* transaction_notifier =
new ROCKSDB_NAMESPACE::TransactionNotifierJniCallback(env, jobj);
auto* sptr_transaction_notifier =
new std::shared_ptr<ROCKSDB_NAMESPACE::TransactionNotifierJniCallback>(
transaction_notifier);
return GET_CPLUSPLUS_POINTER(sptr_transaction_notifier);
}
/*
* Class: org_rocksdb_AbstractTransactionNotifier
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_AbstractTransactionNotifier_disposeInternalJni(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle) {
// TODO(AR) refactor to use JniCallback::JniCallback
// when https://github.com/facebook/rocksdb/pull/1241/ is merged
std::shared_ptr<ROCKSDB_NAMESPACE::TransactionNotifierJniCallback>* handle =
reinterpret_cast<
std::shared_ptr<ROCKSDB_NAMESPACE::TransactionNotifierJniCallback>*>(
jhandle);
delete handle;
}