[seam-issues] [JBoss JIRA] Updated: (SOLDER-14) Provide utility to check if Type is assignable to another Type

[Dan Allen (JIRA)]

     [ https://issues.jboss.org/browse/SOLDER-14?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Allen updated SOLDER-14:
----------------------------

             Assignee: Dan Allen
        Fix Version/s: 3.0.0.Beta2
    Affects Version/s: 3.0.0.Beta1
          Component/s: Reflections


> Provide utility to check if Type is assignable to another Type
> --------------------------------------------------------------
>
>                 Key: SOLDER-14
>                 URL: https://issues.jboss.org/browse/SOLDER-14
>             Project: Seam Solder
>          Issue Type: Feature Request
>          Components: Reflections
>    Affects Versions: 3.0.0.Beta1
>            Reporter: Dan Allen
>            Assignee: Dan Allen
>            Priority: Minor
>             Fix For: 3.0.0.Beta2
>
>
> Often times when writing an extension, you need to know if one Type is assignable from another Type. This is a more sophisticated version of Class#isAssignableFrom(Class) which takes into account paramaterized types.
> given
>    parameterized type Bean<N extends Number>
> then
>   type Bean<Number> is assignable from type Bean<Integer>
> One area where this is useful is when checking if a bean type is more specific than another bean type. It's not sufficient to assume the bean type is a simple class.
> Something similar to what is provided by: http://google-gson.googlecode.com/svn-history/r442/trunk/gson/src/main/java/com/google/gson/reflect/TypeToken.java

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