[jboss-user] [JBoss AOP] - Re: What's the difference between: Joinpoint - JoinPointBean

[kabir.khan@jboss.com]

Joinpoint is mainly used to identify a joinpoint. It just wraps a method, constructor etc.

Invocation is used for around advice, and wraps what is contained by JoinPointBean.

JoinPointBean is an internal class, and contains the interceptor chains as well as a reference to the Joinpoint.

JoinPointInfo is an interface to JoinPointBean that makes it immutable, this should be used by before/after/throwing/finally advice when a reference to the JoinPointBean is needed. For example it can be used to resolve annotations, or to narrow down that a before/after/throwing/finally advice only applies to a certain kind of joinpoint.






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