[cdi-dev] [JBoss JIRA] (CDI-304) Clarify Producers for injection into generic types

Pete Muir (JIRA) jira-events at lists.jboss.org
Mon Feb 11 10:47:56 EST 2013


    [ https://issues.jboss.org/browse/CDI-304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12753444#comment-12753444 ] 

Pete Muir commented on CDI-304:
-------------------------------

Per JLS 5.1.9 "Use of an unchecked conversion generates a mandatory compile-time warning" (this is a unchecked conversion), therefore, I think CDI should do just the same. It should work, but generate a warning. WDYT?
                
> Clarify Producers for injection into generic types
> --------------------------------------------------
>
>                 Key: CDI-304
>                 URL: https://issues.jboss.org/browse/CDI-304
>             Project: CDI Specification Issues
>          Issue Type: Clarification
>          Components: Beans
>    Affects Versions: 1.1.PRD
>            Reporter: Mark Struberg
>             Fix For: 1.1 (Proposed)
>
>
> There is a discussion over in DeltaSpike whether an injection point
> {code}
> @Inject
> private JsfMessage<SomeMessageClass>;
> {code}
> with a producer method
> {code}
> @Produces @Dependent
> JsfMessage createMessage(InjectionPoint ip)
> {code}
> 5.2 imo only defines the other way around. Having a raw type at the injection point and a parameterized producer method.
> We should define how this is intended to work. 
> Please note that the producer above works in all existing containers so far but not in Weld2-beta1.
> Here is the link to the DS issue: https://issues.apache.org/jira/browse/DELTASPIKE-295

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