[cdi-dev] [JBoss JIRA] (CDI-517) assignability to parameterized required type

[Mark Struberg (JIRA)]

    [ https://issues.jboss.org/browse/CDI-517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13048390#comment-13048390 ] 

Mark Struberg commented on CDI-517:
-----------------------------------

wrote a small sample app to demonstrate the difference in behaviour with old and new containers.

https://github.com/struberg/cdispec-517

> assignability to parameterized required type
> --------------------------------------------
>
>                 Key: CDI-517
>                 URL: https://issues.jboss.org/browse/CDI-517
>             Project: CDI Specification Issues
>          Issue Type: Bug
>          Components: Resolution
>    Affects Versions: 1.1.PFD, 1.2.Final
>            Reporter: Mark Struberg
>
> 2 days before the CDI-1.1 spec went PDF the following backward-incomatible change was made:
> {quote}
> -A raw bean type is considered assignable to a parameterized required type if the raw types are identical.
> + A raw bean type is considered assignable to a parameterized required type if the raw types are identical and all type parameters of the bean type are either unbounded type variables or java.lang.Object.
> {quote} 
> This breaks a lot of projects and also is also not compatible with the JavaEE6 RI and the CDI-1.0 RI where this was explicitly allowed.
> This is a follow up to CDI-304.



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