StatelessSender.java

/*
 * Copyright 2009 Red Hat, Inc.
 *  Red Hat 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.hornetq.javaee.example.server2;



import org.hornetq.api.jms.HornetQJMSClient;

import javax.annotation.Resource;
import javax.ejb.Remote;
import javax.ejb.Stateless;
import javax.jms.*;

/**
 * A Stateless Bean that will connect to a remote JBM.
 *
 * @author <a href="mailto:clebert.suconic@jboss.org">Clebert Suconic</a>
 *
 *
 */
@Remote(StatelessSenderService.class)
@Stateless
public class StatelessSender implements StatelessSenderService
{

   /**
    *  Resource to be deployed by jms-remote-ds.xml
    *  */
   @Resource(mappedName="java:RemoteJmsXA")
   private ConnectionFactory connectionFactory;


   /* (non-Javadoc)
    * @see org.jboss.javaee.example.server.StatelessSenderService#sendHello(java.lang.String)
    */
   public void sendHello(String message) throws Exception
   {
      // Step 4. Define the destinations that will receive the message (instead of using JNDI to the remote server)
      Queue destQueueA = HornetQJMSClient.createQueue("A");
      Queue destQueueB = HornetQJMSClient.createQueue("B");

      // Step 5. Create a connection to a remote server using a connection-factory (look at the deployed file jms-remote-ds.xml)
      Connection conn = connectionFactory.createConnection("guest", "guest");

      // Step 6. Send a message to a QueueA on the remote server, which will be received by MDBQueueA
      Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      MessageProducer prodA = sess.createProducer(destQueueA);
      prodA.send(sess.createTextMessage(message));

      System.out.println("Step 7 (StatelessSender.java): Sent message \"" + message + "\" to QueueA");

      // Step 6. Send a message to a QueueB on the remote server, which will be received by MDBQueueA
      MessageProducer prodB = sess.createProducer(destQueueB);
      prodB.send(sess.createTextMessage(message));

      System.out.println("Step 8 (StatelessSender.java): Sent message \"" + message + "\" to QueueB");

      // Step 7. Close the connection. (Since this is a JCA connection, this will just place the connection back to a connection pool)
      conn.close();
      System.out.println("Step 9 (StatelessSender.java): Closed Connection (sending it back to pool)");

   }

   // Constants -----------------------------------------------------

   // Attributes ----------------------------------------------------

   // Static --------------------------------------------------------

   // Constructors --------------------------------------------------

   // Public --------------------------------------------------------

   // Package protected ---------------------------------------------

   // Protected -----------------------------------------------------

   // Private -------------------------------------------------------

   // Inner classes -------------------------------------------------

}