[cdi-dev] [JBoss JIRA] (CDI-43) Allow Extensions to specify the annotations that they are interested in

Pete Muir (JIRA) jira-events at lists.jboss.org
Tue Aug 21 08:29:15 EDT 2012


    [ https://issues.jboss.org/browse/CDI-43?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12712677#comment-12712677 ] 

Pete Muir commented on CDI-43:
------------------------------

{quote}
I think that should should also apply to ProcessBean, ProcessProducer etc. In this case the even is only delivered if the declaring class (i.e. Bean.getBeanClass() ) meets these requirements.
{quote}

Can you elaborate on why?

Also, if we specify this as a filter, I'm concerned that operating on the bean class is inconsistent, as a user would properly expect it to take into account modified type information from AnnotatedType.
                
> Allow Extensions to specify the annotations that they are interested in
> -----------------------------------------------------------------------
>
>                 Key: CDI-43
>                 URL: https://issues.jboss.org/browse/CDI-43
>             Project: CDI Specification Issues
>          Issue Type: Feature Request
>          Components: Portable Extensions
>    Affects Versions: 1.0
>            Reporter: Stuart Douglas
>             Fix For: 1.1 (Proposed)
>
>
> Currently portable extensions that wish to look for a specific annotation have to look through all availible classes in the ProcessAnnotatatedType event, which is quite inefficient. It would be good if extensions could do something like:
> public void processAnnotatedType(@Observes @RequireAnnotations({@Unwraps.class}) ProcessAnnotatedType pat) 
> This could allow the container to take advantage of annotation indexing to improve boot time performance, as well as reducing uneeded processing in the observer.

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