RE: [aspectj-users] Use of generics intertypes

["neil loughran" <loughran@xxxxxxxxxxxxxxxx>]

Thanks Andy,

Is this something planned for the future?

Cheers
Neil

> -----Original Message-----
> From: aspectj-users-bounces@xxxxxxxxxxx [mailto:aspectj-users-
> bounces@xxxxxxxxxxx] On Behalf Of Andy Clement
> Sent: 12 December 2007 10:36
> To: aspectj-users@xxxxxxxxxxx
> Subject: Re: [aspectj-users] Use of generics intertypes
> 
> > Cannot make inter-type declarations on type variables, use an interface
> and
> > declare parents public void T.setName() { }
> 
> you cannot (currently) make itds on type variables like this:
> 
> >     public void T.setName() {... } // error
> 
> but you can:
> 
> interface Marker {}
> 
> public void Marker.setName { ... }
> 
> declare parents:  T implements Marker;
> 
> But you need to be careful in this area, it does still have a few bugs
> I'm afraid...
> 
> Andy.
> 
> 
> On 12/12/2007, neil loughran <loughran@xxxxxxxxxxxxxxxx> wrote:
> > Folks,
> >
> > I'm investigating the usage of generics in AspectJ and I am really
> liking
> > how it is implemented.  However, one problem I've come across is that of
> > generic introductions.
> >
> > For example, given the abstract aspect below
> >
> > abstract aspect Foo<T,S> {
> >
> >     declare parents: T implements Serializable;
> >     declare parents: S implements Serializable;
> >
> >     public void T.setName() {... } // error
> >
> > }
> >
> > And the concrete aspect
> >
> > aspect Test extends Foo<Person,Student> {
> >
> > }
> >
> > I get the following error:
> >
> > Cannot make inter-type declarations on type variables, use an interface
> and
> > declare parents public void T.setName() { }
> >
> >
> > But I'm not entirely sure what this means.  Can anyone advise (sic)...?
> I'm
> > unsure why my original code doesn't work.
> >
> > Regards
> > Neil Loughran
> >
> >
> >
> >
> > _______________________________________________
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> > aspectj-users@xxxxxxxxxxx
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> >
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