Re: [aspectj-users] identifying a call within a method and harves t the

[robert kuzelj <robert_kuzelj@xxxxxxxxx>]

i read that a year ago or so. but most of it vanished from my memory
again. thank you for reminding me.

it works now.

ciao robertj
> I think this is a case for the wormhole pattern (from Ramnivas' great 
> book AspectJ in Action). I am guessing the reason what you have doesn't 
> match is because you want the args(_param) to match the withincode, but 
> it is being applied to the call(createValue) which has no args. AFAIK, 
> you cannot pick up args using withincode.
>
> (I haven't tried this, YMMV but I think it should be close to what you 
> want.) 
>
> pointcut processingParam(Parameter _param):
>         execution (public Result Processor.process(_param));
> pointcut creatingValueWhileProcessing:
>         call(public Value Processor.createValue()) &&
>         withincode(public Result Processor.process(Parameter));
> pointcut wormhole(Parameter _param): cflow(processingParam(_param)) &&
>         creatingValueWhileProcessing();
>
> Value around(Parameter _param): wormhole(Parameter) {
> // advice code here
> }
>
> Check out Ramnivas' book www.manning.com/laddad for more on the wormhole 
> pattern.