Definitely consider creating custom events as well. The decoupling it gives you can help to simplify extremely complex business rules. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128813#4128813 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128813