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Re: [aspectj-users] Multiple annotations using single declare @type?
|
Hey, you know, I was thinking that if I could name type expressions
like I can name pointcuts, then this wouldn't be as big a deal.
Consider:
declare @type : org.example.foo.Bar+ : @Goo;
declare @type : org.example.foo.Bar+ : @Hoo;
I have no idea what a good syntax might be to name type expressions.
Perhaps a new pointcut designator like "type"? Then, you could write:
pointcut thoseAnnoyingTypes() : type(org.example.foo.Bar+); /*
admittedly not really a pointcut... */
declare @type : thoseAnnoyingTypes() : @Goo;
declare @type : thoseAnnoyingTypes() : @Hoo;
I'm pretty sure named type expressions would be useful elsewhere, like
in "declare error" & "declare warning" statements, and pointcut
designators "handler", "within", etc:
pointcut thoseAnnoyingTypes() : type(org.example.foo.Bar+);
declare @type : thoseAnnoyingTypes() : @Goo, @Hoo;
pointcut withinAnnoyingTypes() : within(thoseAnnoyingTypes());
Thoughts?
On Thu, Aug 16, 2012 at 1:08 PM, Andy Clement <andrew.clement@xxxxxxxxx> wrote:
>
> Hi Matthew,
>
> I guess you mean https://bugs.eclipse.org/bugs/show_bug.cgi?id=356594
> - which you raised :)
>
> I just had a quick look and added a testcase but the implementation
> isn't as trivial as I'd hoped. A lot of infrastructure is just
> dealing with one annotation per declare anno statement.
>
> cheers,
> Andy
>
> On 16 August 2012 07:13, Matthew Adams <matthew@xxxxxxxxxxxxxxx> wrote:
> > Hi all,
> >
> > I recall this was a question a couple of years ago.
> >
> > Can you now use a single "declare @type" statement to introduce several
> > annotations at once? That way, instead of:
> >
> > declare @type : org.example.foo.Bar+ : @Goo;
> > declare @type : org.example.foo.Bar+ : @Hoo;
> >
> > you could write:
> >
> > declare @type : org.example.foo.Bar+ : @Goo, @Hoo;
> >
> > Thanks,
> > Matthew
> > --
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> > skype:matthewadams12
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> > http://matthewadams.me
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> >
> >
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> >
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