package org.javaee7.jms.send.receive.simple;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.inject.Inject;
import javax.jms.CompletionListener;
import javax.jms.JMSContext;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Queue;
import org.javaee7.jms.send.receive.Resources;
/**
* Asynchronous message sending is not supported in Java EE 7.
* @author Arun Gupta
*/
@Stateless
public class MessageSenderAsync {
@Inject
// @JMSConnectionFactory("java:comp/DefaultJMSConnectionFactory")
JMSContext context;
@Resource(lookup = Resources.ASYNC_QUEUE)
Queue asyncQueue;
public void sendMessage(String message) {
try {
context.createProducer().setAsync(new CompletionListener() {
@Override
public void onCompletion(Message msg) {
try {
System.out.println(msg.getBody(String.class));
} catch (JMSException ex) {
Logger.getLogger(MessageSenderAsync.class.getName()).log(Level.SEVERE, null, ex);
}
}
@Override
public void onException(Message msg, Exception e) {
try {
System.out.println(msg.getBody(String.class));
} catch (JMSException ex) {
Logger.getLogger(MessageSenderAsync.class.getName()).log(Level.SEVERE, null, ex);
}
}
});
} catch (RuntimeException e) {
System.out.println("Caught RuntimeException trying to invoke setAsync - not permitted in Java EE");
}
context.createProducer().send(asyncQueue, message);
}
}