[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-2316) EntityHome#getEntityClass() returns EntityManager.class rather than entity class

Dan Allen (JIRA) jira-events at lists.jboss.org
Wed Nov 28 21:19:56 EST 2007

    [ http://jira.jboss.com/jira/browse/JBSEAM-2316?page=comments#action_12389725 ] 
Dan Allen commented on JBSEAM-2316:

I'm not even sure its possible with type erasure. You can only get information about types that are used in the *definition* of a class, not that are supplied a type parameters when *creating* and instance of the class.

Basically, we need to find another way to do this, or just return null.

> EntityHome#getEntityClass() returns EntityManager.class rather than entity class
> --------------------------------------------------------------------------------
>                 Key: JBSEAM-2316
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2316
>             Project: JBoss Seam
>          Issue Type: Bug
>    Affects Versions: 2.0.0.GA
>            Reporter: Dan Allen
>            Priority: Minor
>             Fix For: 2.0.1.GA
>   Original Estimate: 2 hours
>  Remaining Estimate: 2 hours
> This is a strange one. The getEntityClass() is returning the wrong type parameter. It should be returning the first but it is instead returning the second.
> You will discover that this assertion fails.
> assert new EntityHome<SimpleEntity>().getEntityClass() == SimpleEntity.class;

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