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

Pete Muir (JIRA) jira-events at lists.jboss.org
Mon Nov 29 05:17:13 EST 2010

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

Pete Muir moved WELDX-188 to SOLDER-14:

          Project: Seam Solder  (was: Weld Extensions)
              Key: SOLDER-14  (was: WELDX-188)
    Fix Version/s: 1.0.0.Beta2
                       (was: 1.0.0.Beta2)

> Provide utility to check if Type is assignable to another Type
> --------------------------------------------------------------
>                 Key: SOLDER-14
>                 URL: https://jira.jboss.org/browse/SOLDER-14
>             Project: Seam Solder
>          Issue Type: Feature Request
>            Reporter: Dan Allen
>            Priority: Minor
>             Fix For: 1.0.0.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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