javax.jms.QueueSender#close ( )源码实例Demo

@Test
public void testGetQueue() throws JMSException {
    JmsPoolConnection connection = (JmsPoolConnection) cf.createQueueConnection();
    QueueSession session = connection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
    Queue queue = session.createTemporaryQueue();
    QueueSender sender = session.createSender(queue);

    assertNotNull(sender.getQueue());
    assertSame(queue, sender.getQueue());

    sender.close();

    try {
        sender.getQueue();
        fail("Cannot read topic on closed sender");
    } catch (IllegalStateException ise) {}
}
 

/**
 * Intended for server-side reponse sending and implies that the received
 * message *always* contains a reply-to address.
 */
public void sendReply(QueueSession session, Message received_message, String response) throws IfsaException {
	QueueSender tqs=null;
    try {
        TextMessage answer = session.createTextMessage();
        answer.setText(response);
		Queue replyQueue = (Queue)received_message.getJMSReplyTo();
        tqs = session.createSender(replyQueue );
        if (log.isDebugEnabled()) log.debug(getLogPrefix()+ "sending reply to ["+ received_message.getJMSReplyTo()+ "]");
        ((IFSAServerQueueSender) tqs).sendReply(received_message, answer);
    } catch (Throwable t) {
        throw new IfsaException(t);
    } finally {
    	if (tqs!=null) {
			try {
				tqs.close();
			} catch (JMSException e) {
				log.warn(getLogPrefix()+ "exception closing reply queue sender",e);
			}	
    	}
    }
}
 

private void sendBytesMessage(String destName, byte[] buffer) throws Exception {

        InitialContext ic = getInitialContext();
        QueueConnectionFactory queueConnectionFactory = (QueueConnectionFactory) ic.lookup("ConnectionFactory");
        QueueConnection connection = queueConnectionFactory.createQueueConnection();
        QueueSession session = connection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
        BytesMessage bm = session.createBytesMessage();
        bm.writeBytes(buffer);
        QueueSender sender = session.createSender((Queue) ic.lookup(destName));
        sender.send(bm);
        sender.close();
        session.close();
        connection.close();
    }
 

@Test(timeout = 10000)
public void testMultipleCloseCallsNoErrors() throws Exception {
    Queue queue = session.createQueue(getTestName());
    QueueSender sender = session.createSender(queue);
    sender.close();
    sender.close();
}
 

protected String sendByQueue(QueueSession session, Queue destination, javax.jms.Message message) throws NamingException, JMSException {
	QueueSender tqs = session.createSender(destination);
	tqs.send(message);
	tqs.close();
	return message.getJMSMessageID();
}