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From "Pinaki Poddar (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (OPENJPA-2325) MappedSuperClass without an @Id causes wrong identity type for the inherited types
Date Tue, 22 Jan 2013 14:38:15 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-2325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pinaki Poddar resolved OPENJPA-2325.
------------------------------------

    Resolution: Fixed
    
> MappedSuperClass without an @Id causes wrong identity type for the inherited types
> ----------------------------------------------------------------------------------
>
>                 Key: OPENJPA-2325
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2325
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 2.3.0
>            Reporter: Pinaki Poddar
>            Assignee: Pinaki Poddar
>             Fix For: 2.3.0
>
>
> A MappedSuperClass without a declared identity field can cause the derived classes that
have decalred an @Id field to be wrongly using DATASTORE identity type because the identity
type of its superclass being UNKNOWN leads the derived type to use the default identity type,
which for JPA faced is set to DATASTORE. 
> The suggested change modifies the logic of ClassMetaData while detecting the identity
type whether it is an abstract (i.e. MappedSuperClass). Also introduced a change that distinguishes
whether the identity type was ever evaluated versus whether identity type  is indeterminable
(i.e. UNKNOWN) which will  will save few  cycles for this commonly invoked operation. Previously
for UNKNOWN type was indistinguishable from the case where identity type was never evaluated.
  

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