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

Jozef Hartinger (JIRA) jira-events at lists.jboss.org
Sat Feb 23 02:29:56 EST 2013

     [ https://issues.jboss.org/browse/CDI-304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jozef Hartinger reopened CDI-304:

5.2.4. "Assignability of raw and parameterized types" now says

{quote}A raw bean type is considered assignable to a parameterized required type if the raw types are identical.{quote}

8.3.1. "Assignability of raw and parameterized types for delegate injection points" says:

{quote}A raw bean type is considered assignable to a parameterized delegate type if the raw types are identical *and all type parameters of the delegate type are either unbounded type variables or java.lang.Object.*{quote}

Wouldn't it make sense to make these two assertions coherent?

Note that the fact that the spec mentions this specifically in 8.3.1 indicates that the change added recently to 5.2.4 had not been originally intended!
> 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
>            Assignee: Pete Muir
>             Fix For: 1.1.PFD
> 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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