com.gemstone.gemfire.internal.concurrent.RWL5 Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.internal.concurrent;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.TimeUnit;
/**
* ReentrantReadWriteLock implementation for JDK 5.
* @author darrel
*/
class RWL5 extends ReentrantReadWriteLock
implements RWL {
private static final long serialVersionUID = 6144484929425711210L;
private final L readLock;
private final L writeLock;
public RWL5() {
super();
this.readLock = new InnerLock5(readLock());
this.writeLock = new InnerLock5(writeLock());
}
public L getReadLock() {
return this.readLock;
}
public L getWriteLock() {
return this.writeLock;
}
private static class InnerLock5 implements L {
private final Lock delegate;
InnerLock5(Lock delegate) {
this.delegate = delegate;
}
public void lock() {
this.delegate.lock();
}
public void lockInterruptibly() throws InterruptedException {
this.delegate.lockInterruptibly();
}
public boolean tryLock() {
return this.delegate.tryLock();
}
public boolean tryLock(long msTime) throws InterruptedException {
return this.delegate.tryLock(msTime, TimeUnit.MILLISECONDS);
}
public void unlock() {
this.delegate.unlock();
}
public C getNewCondition() {
return new ReentrantLock5.C5(this.delegate.newCondition());
}
}
}