/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.commons.pool2.impl;

import java.util.Collection;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;

This sub-class was created to expose the waiting threads so that they can be
interrupted when the pool using the queue that uses this lock is closed. The
class is intended for internal use only.

This class is intended to be thread-safe.
Since:
2.0/**
 * This sub-class was created to expose the waiting threads so that they can be
 * interrupted when the pool using the queue that uses this lock is closed. The
 * class is intended for internal use only.
 * <p>
 * This class is intended to be thread-safe.
 *
 * @since 2.0
 */
class InterruptibleReentrantLock extends ReentrantLock {

    private static final long serialVersionUID = 1L;

    
Create a new InterruptibleReentrantLock with the given fairness policy.
Params:
fairness – true means threads should acquire contended locks as if
waiting in a FIFO queue/**
     * Create a new InterruptibleReentrantLock with the given fairness policy.
     *
     * @param fairness true means threads should acquire contended locks as if
     * waiting in a FIFO queue
     */
    public InterruptibleReentrantLock(final boolean fairness) {
        super(fairness);
    }

    
Interrupt the threads that are waiting on a specific condition
Params:
condition – the condition on which the threads are waiting./**
     * Interrupt the threads that are waiting on a specific condition
     *
     * @param condition the condition on which the threads are waiting.
     */
    public void interruptWaiters(final Condition condition) {
        final Collection<Thread> threads = getWaitingThreads(condition);
        for (final Thread thread : threads) {
            thread.interrupt();
        }
    }
}