WSO2 ESB + activeMQ - wso2

Question

I'm new in wso2 esb and jms. I send some messages from soapUI to wso2 esb. In my wso sequence a processed message goes to the jms. Is there a possibility to set "time to live" of this message from wso2 esb? Or some other ways?
In AMQ I added this:
<policyEntry queue="myQueue">
<deadLetterStrategy>
<individualDeadLetterStrategy
queuePrefix="DLQ." useQueueForQueueMessages="true" />
</deadLetterStrategy>
Something like
<property name="JMSExpiration" value="today+hour_long_value" scope="transport" type="STRING"></property>
in sequence have no effect.

Answer 1

If you are using JMS Message Store you can just set property JMS_PROD_TIME_TO_LIVE.
<property name="JMS_PROD_TIME_TO_LIVE" value="15000" />
<store messageStore="my_jms_message_store" />
Tested with WSO2 ESB 4.9.0 (with synapse version 2.1.3-wso2v11)
You can find more information in JmsProducer code
Same way you can set for example message priority (property JMS_PROD_PRIORITY).

Answer 2

The only workable way, I found out, is to create own Mediator, which will set the time-to-live of a message and send it to the queue. The queue name is preset in a sequence, then called mediator:
<property xmlns="http://ws.apache.org/ns/synapse" name="qname" value="your_queue_name" scope="default" type="STRING"></property>
<class xmlns="http://ws.apache.org/ns/synapse" name="com.example.JMSMessageTimeToLiveMediator"></class>
A mediator class:
public class JMSMessageTimeToLiveMediator extends AbstractMediator implements
ManagedLifecycle {
private static String CON_FACTORY_NAME = "QueueConnectionFactory";
private static String DEF_PROP_QNAME = "qname";
private static long TIME_TO_LIVE = 60000;
private static QueueConnectionFactory cf;
public boolean mediate(MessageContext context) {
Connection connection = null;
Session session = null;
try {
connection = cf.createQueueConnection();
connection.start();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
String queueName = (String) context.getProperty(DEF_PROP_QNAME);
Destination destination = session.createQueue(queueName);
MessageProducer producer = session.createProducer(destination);
producer.setTimeToLive(TIME_TO_LIVE);
TextMessage message = session.createTextMessage(context
.getEnvelope().toString());
producer.send(message);
} catch (JMSException e) {
log.error("ProduceJMS ERROR: " + e.getClass() + " "
+ e.getMessage());
} catch (Exception e) {
log.error("ProduceJMS ERROR: " + e.getClass() + " "
+ e.getMessage());
} finally {
try {
session.close();
connection.close();
} catch (JMSException e) {
log.error("ProduceJMS ERROR: " + e.getMessage());
}
}
return true;
}
public void init(SynapseEnvironment emvironment) {
Hashtable<String, Object> environment = new Hashtable<String, Object>();
environment.put("java.naming.factory.initial",
"org.apache.activemq.jndi.ActiveMQInitialContextFactory");
log.debug("ProduceJMS INIT");
try {
InitialContext ic = new InitialContext(environment);
cf = (QueueConnectionFactory) ic.lookup(CON_FACTORY_NAME);
} catch (NamingException e) {
log.error("ProduceJMS INIT ERROR: " + e.getMessage());
}
}
public void destroy() {
}
}