/*
 * ContractQueue.java May 2004
 *
 * Copyright (C) 2004, Niall Gallagher <niallg@users.sf.net>
 *
 * 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 org.simpleframework.util.lease;

import java.util.concurrent.DelayQueue;

/**
 * The <code>ContraceQueue</code> object is used to queue contracts between two
 * asynchronous threads of execution. This allows the controller to schedule the
 * lease contract for expiry. Taking the contracts from the queue is delayed for
 * the contract duration.
 * 
 * @author Niall Gallagher
 * 
 * @see org.simpleframework.util.lease.Contract
 */
class ContractQueue<T> extends DelayQueue<Contract<T>> {

    /**
     * Constructor for the <code>ContractQueue</code> object. This is used to
     * create a queue for passing contracts between two asynchronous threads of
     * execution. This is used by the lease controller to schedule the lease
     * contract for expiry.
     */
    public ContractQueue() {
        super();
    }
}