Jboss message point to point

下面的例子程序是从Jboss的官方文档上面获取的。简单改造。

 

文档地址：http://www.jboss.org/file-access/default/members/jbossas/freezone/docs/Server_Configuration_Guide/4/html/index.html

 

please refer the chapter 7

 

 

package org.liuxt.jboss;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueReceiver;
import javax.jms.QueueSender;
import javax.jms.QueueSession;
import javax.jms.TextMessage;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.apache.log4j.Logger;

/**
 * A complete JMS client example program that sends a
 * TextMessage to a Queue and asynchronously receives the
 * message from the same Queue.
 *
 * @author  [e-mail]
 * @version $Revision: 1.9 $
 */
public class PTPMessage
{
    static Logger log=Logger.getLogger(PTPMessage.class);
    QueueConnection conn;
    QueueSession session;
    Queue que;
    QueueSender sender;
    QueueReceiver receiver;
    int i=0;
    int messageCount=100;
 final BlockingQueue<String> blockQueue=new ArrayBlockingQueue<String>(100);
   
  
   
    public  class ReceiverListener  implements MessageListener
    {
     int j=0;
        public void onMessage(Message msg)
        {
            TextMessage tm = (TextMessage) msg;
            try {
                log.info("onMessage, received message:=" + tm.getText());
                //log.info("onMessage, received message:=" + tm.getJMSMessageID());
               
               
            } catch(Throwable t) {
                t.printStackTrace();
            }
            finally{
             if(++j==messageCount){
              try {
      blockQueue.put("over");
     } catch (InterruptedException e) {
     }
             }
            }
        }
    }
   
    /**
     * setup Setup the PTP connection, session
     * @throws JMSException
     * @throws NamingException
     */
    public void setupPTP()
        throws JMSException,
               NamingException
    {
        InitialContext iniCtx = new InitialContext();
        Object tmp = iniCtx.lookup("ConnectionFactory");
        QueueConnectionFactory qcf = (QueueConnectionFactory) tmp;
        conn = qcf.createQueueConnection();
        que = (Queue) iniCtx.lookup("queue/testQueue");
        session = conn.createQueueSession(false, QueueSession.AUTO_ACKNOWLEDGE);
        conn.start();
    }
   
    public void startMessageTest() throws JMSException, NamingException
    {
        while(++i<=this.messageCount){
         //log.info("Begin sendRecvAsync");
            // Send a text msg
            TextMessage tm = session.createTextMessage("...message..."+i);
            this.sender.send(tm);
            //log.info("sending message, sent text=" + tm.getText());
         
        }
    }

 private void createSender() throws JMSException {
        this.sender = this.session.createSender(que);
 }
   
 private void createReceiver() throws JMSException {
        this.receiver = this.session.createReceiver(que);
        this.receiver.setMessageListener(new ReceiverListener());
 }

 
 
    public void stop()
        throws JMSException
    {
        conn.stop();
        this.sender.close();
        this.receiver.close();
        session.close();
        conn.close();
    }
   
    public static void main(String args[])
        throws Exception
    {
        PTPMessage client = new PTPMessage();
        client.setupPTP();
        client.createSender();
        client.createReceiver();
        client.startMessageTest();
        client.blockQueue.take();
        //done.acquire();
        client.stop();
    }

}