Let's say we have a service that triggers an event upon the creation of a new programming seminar, or hackathon, for a given community. We want to send all seminar events to a particular destination receiver and all hackaton events to another destination receiver. Moreover, we want to send messages to the same exchange. For that setup, a topic exchange is a rational choice; one queue will be bound to the topic exchange with the
seminar.# routing key and another queue will be bound with
hackaton.# routing key. The
# character is special and serves as a pattern that matches any character sequence.
We can implement this type of message sending by further extending our
private static final String SEMINAR_QUEUE = "seminar_queue"; private static final String HACKATON_QUEUE = "hackaton_queue"; private static final String TOPIC_EXCHANGE = "topic_exchange"; public void sendEvent(String...