countinglistener.java

实现了Jms的服务器源码,支持多种适配器,DB,FTP,支持多种数据库

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 * Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: CountingListener.java,v 1.1 2002/02/27 21:59:32 jima Exp $
 *
 * Date         Author      Changes
 * 21/02/2002   jima        Created
 */

package org.exolab.testharness.jms.util;

// junit library
import junit.framework.TestCase;

// jms library
import javax.jms.MessageListener;
import javax.jms.Message;

/**
 * Utility class for counting received messages
 */
public class CountingListener implements MessageListener {

    /**
     * Maintains the number of messages received by the listener
     */
    private int _messagesReceived;

    public CountingListener() {
    }
    
    /**
     * Return the number of received messages
     *
     * @return int
     */
    public int getMessageCount() {
        return _messagesReceived;
    }

    /** Pass a message to the Listener.
      *
      * @param message the message passed to the listener.
      */
    public void onMessage(Message message) {
        ++_messagesReceived;
    }
}