A few annotations for Drools might be handy. Currently there is a good candidates in my mind: @DynamicSlot Once Seam detects there is any property setter in an entity class annotated with @DynamicSlot, it could automatically generate the boilerplate code like shown in the Drools manual. Or if not generate code, at least manipulate the bytecode.... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4064654#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...