/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://oss.oracle.com/licenses/CDDL+GPL-1.1
* or LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.s1asdev.ejb.timer.mdbtimer;
import java.rmi.RemoteException;
import javax.jms.*;
import javax.ejb.*;
import java.io.Serializable;
import javax.naming.*;
import java.util.Date;
public class MessageBean
implements MessageDrivenBean, MessageListener,TimedObject {
private MessageDrivenContext mdc;
public MessageBean(){
}
public void ejbTimeout(Timer t) {
Date now = new Date();
Date expire = (Date) t.getInfo();
System.out.println("In messagebean:ejbtimeout at time " +
now);
if( now.after(expire) ) {
System.out.println("Cancelling timer");
t.cancel();
QueueConnection connection = null;
try {
InitialContext ic = new InitialContext();
Queue queue = (Queue) ic.lookup("java:comp/env/jms/MyQueue");
QueueConnectionFactory qcFactory = (QueueConnectionFactory)
ic.lookup("java:comp/env/jms/MyQueueConnectionFactory");
connection = qcFactory.createQueueConnection();
QueueSession session = connection.createQueueSession(false,
Session.AUTO_ACKNOWLEDGE);
QueueSender sender = session.createSender(queue);
ObjectMessage message = session.createObjectMessage();
message.setObject(now);
System.out.println("Sending message " + message);
sender.send(message);
System.out.println("message sent");
} catch(NamingException e) {
e.printStackTrace();
}
catch(JMSException e) {
e.printStackTrace();
}
finally {
try {
if(connection != null) {
connection.close();
}
} catch(Exception e) {
e.printStackTrace();
}
}
} else {
System.out.println("timer lives on!!!");
}
}
public void onMessage(Message message) {
System.out.println("Got message!!!");
QueueConnection connection = null;
try {
InitialContext ic = new InitialContext();
Queue queue = (Queue) ic.lookup("java:comp/env/jms/MyQueue");
QueueConnectionFactory qcFactory = (QueueConnectionFactory)
ic.lookup("java:comp/env/jms/MyQueueConnectionFactory");
connection = qcFactory.createQueueConnection();
QueueSession session = connection.createQueueSession(false,
Session.AUTO_ACKNOWLEDGE);
Date now = new Date();
Date expire = new Date(now.getTime() + 25000);
System.out.println("Creating periodic timer at " + now);
Timer t = mdc.getTimerService().createTimer(10000, 10000,
expire);
System.out.println("Timer will be cancelled on first expiration after " +
expire);
QueueSender sender = session.createSender(queue);
ObjectMessage outMessage = session.createObjectMessage();
outMessage.setObject(expire);
System.out.println("Sending message " + outMessage);
sender.send(outMessage);
System.out.println("message sent");
} catch(Exception e) {
System.out.println("got exception in message bean");
e.printStackTrace();
} finally {
try {
if(connection != null) {
connection.close();
}
} catch(Exception e) {
e.printStackTrace();
}
}
}
public void setMessageDrivenContext(MessageDrivenContext mdc) {
this.mdc = mdc;
System.out.println("In MessageDrivenEJB::setMessageDrivenContext !!");
}
public void ejbCreate() throws RemoteException {
System.out.println("In MessageDrivenEJB::ejbCreate !!");
}
public void ejbRemove() {
System.out.println("In MessageDrivenEJB::ejbRemove !!");
}
}