Seam does not prevent you in any way from taking that same approach. In fact, it makes
some of that much simpler. For instance, using Seam Events or annotated methods you can
invoke a business processes from your action without having to explicitly implement the
Observer pattern and your action doesn't need to know anything about the process
itself. It also integrates nicely with jBPM and jPDL, to simplify the overall
implementation of business process. In my estimation, Seam was developed not only to
simplify the interaction between the front end and the web tier, but the interaction of
all tiers of your application.
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