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From "Albert Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2377) Metamodel.managedType returns wrong result for Embeddable
Date Fri, 03 May 2013 21:44:15 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13648824#comment-13648824
] 

Albert Lee commented on OPENJPA-2377:
-------------------------------------

Azuo,

Can you apply the patch and verify if this resolve your problem.

Thanks,
Albert Lee.
                
> Metamodel.managedType returns wrong result for Embeddable
> ---------------------------------------------------------
>
>                 Key: OPENJPA-2377
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2377
>             Project: OpenJPA
>          Issue Type: Bug
>            Reporter: Azuo Lee
>            Assignee: Albert Lee
>         Attachments: OPENJPA-2377.trunk.patch
>
>
> I use the following code to dynamically determine if a class is an embeddable:
> Class c = Class.forName(s);
> ManagedType type = metamodel.managedType(c);
> if (type.getPersistenceType() == Type.PersistenceType.EMBEDDABLE) {
>      logger.debug("" + c + " is an Embeddable.");
>      // do somthing with the embeddable
> }
> else if (type.getPersistenceType() == Type.PersistenceType.ENTITY) {
>      logger.debug("" + c + " is an Entity.");
>      // do somthing with the entity
> }
> but when I use this code for an Embeddable, I always get "xxx is an Entity" logged.
> After examining the source code, I found "MetamodelImpl.instantiate" method will always
put embeddable to both "embeddables" and "entities" containers, but "MetamodelImpl.managedType"
method will first search "entities" and then "embeddables" for a persistence class, thus,
"Entity" type will be returned for a ACTUAL Embeddable class.
> Hope this can be fixed.

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