April 2018
Intermediate to advanced
432 pages
10h 38m
English
The development of the sample application is simpler for the publish/subscribe model than for point-to-point communication. We don't have to override any default message channels to enable interaction with more than one receiver. In comparison with the initial sample that has illustrated messaging to a single target application (account-service), we only need to modify configuration settings a little. Because Spring Cloud Stream, by default, binds to the topic, we don't have to override exchangeType for the input message channel. As you may see in the configuration fragment that follows, we still use point-to-point communication when sending the response to order-service. If we really think about it, that makes sense. ...