RE: [aspectj-users] "Perreturned" instantiation

[Eric Bodden <eric@xxxxxxxxx>]

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I see your point. Probably a map would be more appropriate.

Thanks for the hint.

Eric

Wes Isberg wrote:
> Hi Eric -
> 
> What would one do with this language feature?
> 
> perthis and pertarget aspects have the nice property of holding
> state for target state (this, target) that persists throughout a
> join point and thus is relevant during the execution of any advice
> on such join points.  Here, the return value is only available
> after the join
> point returns (though perhaps multiple times).  Further, you're
> asking for the aspect to be instantiated only after the joint point
> is executed, even though instantiating the aspect is required to
> run advice.       
> 
> Should one not implement simple association as a map?  Aspect
> association involves these additional semantics of pointcut
> dependency (no advice runs unless the aspect is instantiated) which
> might not be apt for return values or thrown exceptions.   
> 
> Curious -
> Wes


- -- 
Eric Bodden
Chair I2 for Programming Languages and Program Analysis
RWTH Aachen University

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