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That's the right idea, but I believe
call( @MyAnnotation * *.new(..) )
results in a syntax error since "@MyAnnotation * *" is not a
typepattern.
Wes
------------Original Message------------
From: Scott <aspectj-users@xxxxxxxxxxx>
To: aspectj-users@xxxxxxxxxxx
Date: Thu, Apr-20-2006 1:03 PM
Subject: Re: [aspectj-users] AW: Pointcut on a constructor with
acustom@Annotation Moritz,
Have you tried it this way
yet?
@AfterReturning(pointcut = "call( @MyAnnotation * *.new(..) )",
returning = "obj")
public void beforeConstructor(Object obj) {
System.out.println(obj);
}
-Scott
=========================================
On 4/20/06, Moritz
Post <moritzpost@xxxxxx>
wrote:
Hello
Ron
> Please take a look at this FAQ entry:
> http://www.eclipse.org/aspectj/doc/released/faq.html#q:adviseconstructors
>
>
Basically, you can't use @target for the call to a constructor:
there
> isn't
> one. You could use @target for execution of the
constructor or you could
> bind the returned object with after
returning advice and then use
> reflection
> to test for an
annotation on the object.
If I was only concerned with the
constructor, I could use an @AfterReturning
advise like the following to
get the newly created object:
@AfterReturning(pointcut = "call(*
.new(..))", returning = "obj")
public void beforeConstructor(Object obj)
{
System.out.println (obj);
}
This
return the new object in the "obj" Object.
But my problem is the
combination of the above with an @Annotation. The
pointcut should only
kick in if the class has a specific annotation.
> Hallo
Again
>
> Sorry, I hit send accidentally. :(
>
>
> Hallo Mailingliste
> >
> > I am struggling to create
a proper pointcut on a constructor. I want to
> > catch all
creations of an object which is annotated with a custom
> >
annotation. Like:
> >
> > @MyAnnotation
> >
public class TheClass {
> >
> > public
TheClass {
> > }
> >
> > }
>
>
> > So whenever a classlass is instantiated I want to get the
instance of
> that
> class (having the MyAnnotation
annotation).
> > Therefore I developed the following
Pointcut:
>
> So I continue here with the mentioned
pointcut:
>
> @AfterReturning(pointcut = "call(* .new(..))
&& @target(MyAnnotation)",
> returning =
"obj")
> public void objectCreation()
{
> }
>
> The problem here is, that the
combination of the call(* .new(..)) and the
> @target(MyAnnotation)
does not work. I can either remove the @target and
> it
> works
fine or I can remove the call(..) and let the @target be the key.
>
But
> together those two do not work.
>
> Am I doing
something completely wrong? Or is there another suggested way
>
to
> intercept a newly created object?
>
> Any help is
appreciated
>
> Regards
> Moritz
Post
Regards
Moritz
Post
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