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| /*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package utils;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.jms.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
/**
*
* @author jerome
*/
public class JmsUtils {
private static QueueConnectionFactory connectionFactory;
private static Queue queue;
private QueueSender producer;
private QueueReceiver consumer;
private QueueSession session;
private QueueConnection connection;
public JmsUtils(String id){
try {
Context ctx = new InitialContext();
connectionFactory = (QueueConnectionFactory) ctx.lookup("jms/ConnectionFactory");
queue = (Queue)ctx.lookup("jms/Queue");
connection = connectionFactory.createQueueConnection();
connection.start();
session = connection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
producer = session.createSender(queue);
if(id != null)
consumer = session.createReceiver(queue, "client = " + id);
else
consumer = session.createReceiver(queue);
} catch (JMSException | NamingException ex) {
Logger.getLogger(JmsUtils.class.getName()).log(Level.SEVERE, null, ex);
}
}
public void send(Serializable mess, String dest){
try {
System.out.println("jms.send> "+dest);
ObjectMessage message = session.createObjectMessage(mess);
message.setStringProperty("client", dest);
producer.send(message);
} catch (JMSException ex) {
Logger.getLogger(JmsUtils.class.getName()).log(Level.SEVERE, null, ex);
}
}
public Serializable receive(){
try {
System.out.println("jms.rcv> "+consumer.getMessageSelector());
ObjectMessage om = (ObjectMessage) consumer.receive();
return om.getObject();
} catch (JMSException ex) {
Logger.getLogger(JmsUtils.class.getName()).log(Level.SEVERE, null, ex);
}
return null;
}
} |
synchronisation de client
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