28.17. 使用 JMSReplyTo 进行后回复

Destination replyDestination = exchange.getIn().getHeader(JmsConstants.JMS_REPLY_DESTINATION, Destination.class);

Destination replyDestination = exchange.getIn().getHeader(JmsConstants.JMS_REPLY_DESTINATION, Destination.class);

// we need to pass in the JMS component, and in this sample we use ActiveMQ
JmsEndpoint endpoint = JmsEndpoint.newInstance(replyDestination, activeMQComponent);
// now we have the endpoint we can use regular Camel API to send a message to it
template.sendBody(endpoint, "Here is the late reply.");

// we need to pass in the JMS component, and in this sample we use ActiveMQ
JmsEndpoint endpoint = JmsEndpoint.newInstance(replyDestination, activeMQComponent);
// now we have the endpoint we can use regular Camel API to send a message to it
template.sendBody(endpoint, "Here is the late reply.");

// we pretend to send it to some non existing dummy queue
template.send("activemq:queue:dummy, new Processor() {
   public void process(Exchange exchange) throws Exception {
      // and here we override the destination with the ReplyTo destination object so the message is sent to there instead of dummy
      exchange.getIn().setHeader(JmsConstants.JMS_DESTINATION, replyDestination);
      exchange.getIn().setBody("Here is the late reply.");
    }
}

// we pretend to send it to some non existing dummy queue
template.send("activemq:queue:dummy, new Processor() {
   public void process(Exchange exchange) throws Exception {
      // and here we override the destination with the ReplyTo destination object so the message is sent to there instead of dummy
      exchange.getIn().setHeader(JmsConstants.JMS_DESTINATION, replyDestination);
      exchange.getIn().setBody("Here is the late reply.");
    }
}