smaldini/grails-events-si — pull request #1 by pledbrook (2012-05-18 13:19:30+00:00)
Title: Use Pub/Sub channel for event bus

It makes more sense to use a pub/sub channel for the event bus than a direct one because event buses are inherently pub/sub. In addition, it makes it easy to attach extra channels from applications, for example so that events can be routed through an external message broker to other nodes.