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From "Azuo Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OPENJPA-2377) Metamodel.managedType returns wrong result for Embeddable
Date Thu, 25 Apr 2013 10:20:17 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-2377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Azuo Lee updated OPENJPA-2377:
------------------------------

    Description: 
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.

  was:
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.

    
> 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);
> 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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