/*
 * Copyright 2002-2006 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 cyrille.util.concurrent.demo;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

/**
 * @author <a href="mailto:cyrille.leclerc@pobox.com">Cyrille Le Clerc</a>
 */
public class ReadWriteLockDemo {

    final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();

    public void readAccess() {
        Lock readLock = readWriteLock.readLock();
        try {
            // do read job
        } finally {
            readLock.unlock();
        }
    }

    public void writeAccess() {
        Lock writeLock = readWriteLock.writeLock();
        try {
            // do write job
        } finally {
            writeLock.unlock();
        }
    }
}