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/* @(#)SequentialDispatcher.java
 * Copyright © 2001-2013 Werner Randelshofer, Switzerland.
 * You may only use this software in accordance with the license terms.
 */
package ru.sbtqa.monte.media.concurrent;

/**
 * Processes Runnable objects sequentially on a processor thread. The order in
 * which the runnable objects are processed is the same in which they were added
 * to the dispatcher.
 * 
 * Design pattern used: Acceptor Role in design pattern: EventCollector and
 * EventProcessor
 *
 * @author Werner Randelshofef
 * @version $Id: SequentialDispatcher.java 364 2016-11-09 19:54:25Z werner $
 */
public class SequentialDispatcher extends EventLoop {

    /**
     * Creates new SequentialDispatcher which processes Runnable objects at
     * java.lang.Thread.NORM_PRIORITY.
     */
    public SequentialDispatcher() {
    }

    /**
     * Creates a new SequentialDispatcher which processes Runnable Objects at
     * the desired thread priority.
     *
     * @param priority The Thread priority of the event processor.
     */
    public SequentialDispatcher(int priority) {
        super(priority);
    }

    /**
     * This method processes an event on the event processor thread.
     *
     * @param event An event from the queue.
     */
    protected void processEvent(Runnable event) {
        event.run();
    }

    /**
     * Queues the Runnable object for later execution on the processor thread.
     *
     * @param r TODO
     */
    public void dispatch(Runnable r) {
        collectEvent(r);
    }
}