[jboss-user] [JBoss Seam] - Re: Using the @Factory annotation and stateless session bean

[chuckadams]

If you want something run on every invocation in a SLSB (or anything else for that matter), you're looking for an interceptor.  Check out the @LoggedIn interceptor in the booking example for a simple implementation.  The manual covers this interceptor in section 2.6

All @Factory does is initialize a component that's in an instance variable, and it'll only be called if it's not already set.  It's not the best name I can think of, since @Unwrap is the annotation that actually yells "Factory Method" to me.  But even @Unwrap is not going to give you the behavior you want, only an interceptor will.

@Factory is used all over the examples.  The blog example has some of the best uses of it, though the booking and dvdstore examples are probably easier to understand.


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