[cdi-dev] Question about section 4.2

[John D. Ament]

Yeah... Aslak's the one who brought this to my attention.  It was something
I saw happening in AS7 as well.  Let me see if I can create a simple
project that demos this.


On Tue, Jul 2, 2013 at 9:18 AM, Pete Muir <pmuir at redhat.com> wrote:

> Yes, if you use @EJB, all bets are off :-) I was assuming John had an EJB
> that he wanted to @Inject.
>
> On 2 Jul 2013, at 14:13, Romain Manni-Bucau <rmannibucau at gmail.com> wrote:
>
> > Hi
> >
> > i think @EJB Foo<Bar> ignores Bar (or at least the ejb spec doesnt
> define it)
> >
> > Romain Manni-Bucau
> > Twitter: @rmannibucau
> > Blog: http://rmannibucau.wordpress.com/
> > LinkedIn: http://fr.linkedin.com/in/rmannibucau
> > Github: https://github.com/rmannibucau
> >
> >
> >
> > 2013/7/2 Pete Muir <pmuir at redhat.com>
> >
> > On 2 Jul 2013, at 11:28, John D. Ament <john.d.ament at gmail.com> wrote:
> >
> > > Hi all
> > >
> > > In section 4.2 of the CDI spec (both 1.0 and 1.1) there are references
> to injection around generic types.  I was wondering if someone could
> clarify this case?
> > >
> > > I have an interface:
> > >
> > > public interface Handler<? extends Foo> { ... }
> > >
> > > and then I have two implementations
> > >
> > > public class FarlowHandler implements Handler<Farlow> { .. }
> > >
> > > public class BagelHandler implements Handler<Bagel> { ... }
> > >
> > > Is it expected that I should be able to inject references to these by
> doing:
> > >
> > > @Inject
> > > private Handler<Farlow> fHandler;
> > >
> > > @Inject
> > > private Handler<Bagel> bHandler;
> >
> > Yes.
> >
> > >
> > > ?  Is there any expected difference when using EJBs?
> >
> > Assuming the interface is part of the local client view of the EJB, then
> no. Obviously, if EJB has any rules around declaring generic types in local
> interfaces, then you need to respect those (IIRC, it doesn't).
> >
> >
> > _______________________________________________
> > cdi-dev mailing list
> > cdi-dev at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/cdi-dev
> >
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/cdi-dev/attachments/20130702/656c2d42/attachment.html