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From "Azuo Lee (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OPENJPA-2377) Metamodel.managedType returns wrong result for Embeddable
Date Thu, 25 Apr 2013 10:16:17 GMT
Azuo Lee created OPENJPA-2377:
---------------------------------

             Summary: 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


I use the following code to dynamically determine if a class is an embeddable:

Class c = Class.forName(s);
if (c instanceof ManagedType) {
    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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