PUBLIC MARKS from amyrussell with tags "business rules" & BRE

In explaining this pattern, I wanted to take a step back and explain where and how OO and BRE's intersect. To start with, this excellent post over at Mark Proctor's blog makes the following statement:

While JBoss Rules 3.0.x has been a great step from its predecessor (the unfortunately named Drools) -- providing a rule editing environment, universal and existential quantifiers (the "not" A is the same as "for all" ~A), and Domain Specific Languages (DSL's) -- there were still a few things missing. I've watched the progress on 3.1 with barely contained excitement and impatience, but the result has been worth the wait. The 3.1 M1 drop contains operations on collections: