Re: [aspectj-users] Matching based on extension type

[Paulo Zenida <paulo.zenida@xxxxxxxx>]

Hi Andy.

That's what I thought, then. It is not possible statically! :-(

Dynamically, I knew we could do it.

Thanks for your quick reply, as usual :-)

Do you think this behaviour will be added in a future version of AspectJ?

Regards,

Paulo Zenida



Citando Andy Clement <andrew.clement@xxxxxxxxx>:

> not statically, but dynamically:
>
>     before(): staticinitialization(*Base) {
>         if
> (thisJoinPointStaticPart.getSignature().getDeclaringType().getSuperclass().getName().endsWith("Base"))
> {
>             throw new
> IllegalStateException(thisJoinPointStaticPart.getSignature().getDeclaringType().getName()+"
> extends
> "+thisJoinPointStaticPart.getSignature().getDeclaringType().getSuperclass().getName());
>         }
>     }
>
> Andy
>
>
> 2009/8/14 Paulo Zenida <paulo.zenida@xxxxxxxx>
>
> > Hello all.
> >
> > Is it possible to do AspectJ matching based on the extension clause defined
> > in a given type? For instance, can I define a policy in which it is not
> > possible for a class whose name ends with Base extend another class whose
> > name also ends with Base?
> >
> > Something like (simplified syntax):
> >
> > declare warning : *Base extends *Base : "You should not extend a Base class
> > from another Base class";
> >
> > I looked for it in the Web and tried several approaches but no good
> > results, unfortunately... :-(
> >
> > Thank you for your attention.
> >
> > Kind regards,
> >
> > Paulo Zenida
> >
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