com.orientechnologies.common.concur.lock.OExclusiveLock Maven / Gradle / Ivy

/*
  *
  *  *  Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
  *  *
  *  *  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.
  *  *
  *  * For more information: http://www.orientechnologies.com
  *
  */
package com.orientechnologies.common.concur.lock;

import java.util.concurrent.locks.ReadWriteLock;

/**
 * Lock that uses the write lock of a reader writer lock object.
 * 
 * @author Luca Garulli (l.garulli--at--orientechnologies.com)
 * 
 */
public class OExclusiveLock extends OAbstractLock {
  private final ReadWriteLock lock;

  public OExclusiveLock(final ReadWriteLock iLock) {
    lock = iLock;
  }

  public void lock() {
    lock.writeLock().lock();
  }

  public void unlock() {
    lock.writeLock().unlock();
  }

  @Override
  public void close() {
    try {
      lock.readLock().unlock();
    } catch (Exception e) {
      // IGNORE IT
    }

    try {
      lock.writeLock().unlock();
    } catch (Exception e) {
      // IGNORE IT
    }
  }

}