com.foreach.across.modules.oauth2.services.IsolatedLockHandler Maven / Gradle / Ivy
/*
* Copyright 2014 the original author or authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.foreach.across.modules.oauth2.services;
import com.foreach.common.concurrent.locks.ObjectLock;
import com.foreach.common.concurrent.locks.ObjectLockRepository;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
/**
* @author Arne Vandamme
* @since 3.0.0
*/
public class IsolatedLockHandler
{
/**
* Creates and takes the lock outside of running transaction.
*/
@Transactional(propagation = Propagation.NOT_SUPPORTED)
public ObjectLock lock( ObjectLockRepository objectLockRepository, String key ) {
ObjectLock lock = objectLockRepository.getLock( key );
lock.lock();
return lock;
}
/**
* Releases the lock outside of the running transaction.
*/
@Transactional(propagation = Propagation.NOT_SUPPORTED)
public void unlock( ObjectLock lock ) {
if ( lock != null ) {
lock.unlock();
}
}
}