An article I wrote for O'Reilly touches on the Struts - Rules Angle.
Maybe not as detailled as you're looking for, but it may help.
http://www.onjava.com/pub/a/onjava/2005/08/03/drools.html?page=1
Paul Browne
www.firstpartners.net
Keith Marshall wrote:
We are using JBOSS and struts. It would be nice to see some practical
examples, case studies for Drools.
- Ease of use with Java component
- GUI (IDE for rules)
- How rules are mapped to objects
- Clustering
- Load balancing
- Details about interfaces available to Drools rule engine (e.g. EJB
,Pojo etc).
Keith A. Marshall
Ext: 1089