性能探讨

private QueueConnectionFactory connectionFactory = null;
    private QueueConnection connection = null;
    private QueueSession queueSession = null;
    public final static String JNDI_FACTORY = "ConnectionFactory";
    protected String queueName;
    public WebJmsManager() {}
     
	@SuppressWarnings("unchecked")
	public WebJmsManager(String providerUrl ) throws NamingException, JMSException {
        	Hashtable props=new Hashtable();   
        	props.put(Context.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory");   
        	props.put(Context.PROVIDER_URL, providerUrl);   
        	props.put("java.naming.rmi.security.manager", "yes");   
        	props.put(Context.URL_PKG_PREFIXES, "org.jboss.naming"); 
//            
			ctx = new InitialContext(props);
			connectionFactory = (QueueConnectionFactory) ctx.lookup(JNDI_FACTORY);
			connection = connectionFactory.createQueueConnection();
			queueSession = connection.createQueueSession(false,Session.AUTO_ACKNOWLEDGE);
    }
    
   


    public void queue(String queueName, ServiceMessage message) throws JMSException, NamingException{
    	Destination destination = (Queue) ctx.lookup(queueName);
        MessageProducer messageProducer = queueSession.createProducer(destination);
        messageProducer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
        ObjectMessage objectMessage = queueSession.createObjectMessage(message);   
        messageProducer.send(objectMessage); 
    }