public static void main(String[] args) {
try {
Parameters parameters = new Parameters(args);
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(parameters.url);
Connection connection = connectionFactory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Topic destination = session.createTopic(parameters.topic);
MessageProducer producer = session.createProducer(destination);
producer.setDeliveryMode(DeliveryMode.PERSISTENT);
String messageBody = IOUtils.toString(new FileReader(parameters.message));
TextMessage message = session.createTextMessage(messageBody);
message.setStringProperty("Channel", parameters.channel);
message.setJMSExpiration(parameters.expiration);
LOG.info("Sent message: {}", message);
producer.send(message);
session.close();
connection.close();
} catch (Exception e) {
LOG.error("Producing interrupted", e);
}
}
protected void updateQueue(U bean) throws EventException {
boolean resumeAfter = !awaitPaused;
Session session = null;
try {
pause();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Queue queue = session.createQueue(getSubmitQueueName());
QueueBrowser qb = session.createBrowser(queue);
@SuppressWarnings("rawtypes")
Enumeration e = qb.getEnumeration();
while (e.hasMoreElements()) {
Message msg = (Message) e.nextElement();
TextMessage t = (TextMessage) msg;
String json = t.getText();
final StatusBean b = service.unmarshal(json, getBeanClass());
MessageConsumer consumer =
session.createConsumer(queue, "JMSMessageID = '" + msg.getJMSMessageID() + "'");
Message rem = consumer.receive(Constants.getReceiveFrequency());
consumer.close();
if (rem == null && b.getUniqueId().equals(bean.getUniqueId())) {
// Something went wrong, not sure why it does this, TODO investigate
if (overrideMap == null) overrideMap = new Hashtable<>(7);
overrideMap.put(b.getUniqueId(), bean);
continue;
}
MessageProducer producer = session.createProducer(queue);
if (b.getUniqueId().equals(bean.getUniqueId())) {
b.setStatus(bean.getStatus());
t = session.createTextMessage(service.marshal(b));
t.setJMSMessageID(rem.getJMSMessageID());
t.setJMSExpiration(rem.getJMSExpiration());
t.setJMSTimestamp(rem.getJMSTimestamp());
t.setJMSPriority(rem.getJMSPriority());
t.setJMSCorrelationID(rem.getJMSCorrelationID());
}
producer.send(t);
producer.close();
}
} catch (Exception ne) {
throw new EventException("Cannot reorder queue!", ne);
} finally {
// Only resume if it wasn't in a paused state before this update
if (resumeAfter) {
resume();
}
try {
if (session != null) session.close();
} catch (JMSException e) {
throw new EventException("Cannot close session!", e);
}
}
}