[cdi-dev] Attributes on scope annotations

Matej Novotny manovotn at redhat.com
Fri Sep 1 07:43:43 EDT 2017


Let's keep this conversation on CDI-dev list, please (adding back to CC).

Hmm, I think it is not forbidden to add another plain java annotation.
However, having it working as scope and cdi qualifier in the same time won't work.

Matej

----- Original Message -----
> From: "Todor Boev" <rinsvind at gmail.com>
> To: "Matej Novotny" <manovotn at redhat.com>
> Sent: Friday, September 1, 2017 12:33:54 PM
> Subject: Re: [cdi-dev] Attributes on scope annotations
> 
> Thank you for the timely replay,
> 
> I need portable behavior, so the other option I am considering is to
> meta-annotate the scope annotation with the additional information I need.
> The issues are now: is this allowed, can in principle my custom
> meta-annotation be a qualifier. Probably a plain annotation will be
> sufficient, but I may need to have it do double-duty as a qualifier as well.
> 
> Thanks in advance,
> Todor
> 
> On Fri, Sep 1, 2017 at 11:49 AM, Matej Novotny <manovotn at redhat.com> wrote:
> 
> > Hello Todor,
> >
> > From CDI specification 2.0 section 2.4.2 Defining new scopes[1]:
> >
> > "A scope type must not have any attributes. If a scope type has attributes
> > non-portable behavior results."
> >
> > Matej
> >
> > ____________________________________________________________
> > _______________-
> > [1] http://docs.jboss.org/cdi/spec/2.0/cdi-spec.html#
> > defining_new_scope_type
> >
> >
> >
> > ----- Original Message -----
> > > From: "Todor Boev" <rinsvind at gmail.com>
> > > To: cdi-dev at lists.jboss.org
> > > Sent: Friday, September 1, 2017 9:51:47 AM
> > > Subject: [cdi-dev] Attributes on scope annotations
> > >
> > > Hello,
> > >
> > > Is it against the CDI 2.0 specification to have attributes on a scope
> > > annotation? If not is this a corner case that may become forbidden or
> > simply
> > > not be taken into account in future versions of the specification?
> > >
> > > E.g. @ComponentScoped("my-component")
> > >
> > > With Weld 3.0.0 I was able to successfully use such annotations.
> > >
> > > Regards,
> > > Todor
> > >
> > >
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> 


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