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From "Pinaki Poddar (JIRA)" <>
Subject [jira] Commented: (OPENJPA-1200) Incorrect Entity is returned if ElementClassCriteria is not selected.
Date Tue, 04 May 2010 14:48:56 GMT


Pinaki Poddar commented on OPENJPA-1200:

Not sure of this option or even the original cause as 'error'. The domain model presented
where Book and Movie both can have many Artists. And hence an Artist can be related to both
Movies and Books. Thus Artist.getBooks() to return only books is the appropriate scenario
for ElementClassCriteria (in fact if my memory serves me right, that is the exact reason to
demonstrate the advanced capabilities of OpenJPA that domain model had been originally designed).

The original use case will behave correctly if @ElementClassCriteria is used -- it is that
simple. Otherwise Artist.getItems() will return a list of Item containing both Book and Movies.


> Incorrect Entity is returned if ElementClassCriteria is not selected.
> ---------------------------------------------------------------------
>                 Key: OPENJPA-1200
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.0.0-M2
>            Reporter: Ravi P Palacherla
>            Assignee: Ravi P Palacherla
>             Fix For: 1.1.1, 2.0.0-M3
>         Attachments: openJPA-1200_1.1.x.patch, OPENJPA-1200_trunk.patch

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