[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-4358) Having to use @ForceDiscriminator kind of breaks JPA compatibility

[Steve Ebersole (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-4358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45234#comment-45234 ] 

Steve Ebersole commented on HHH-4358:
-------------------------------------

With the consolidation to {{DiscriminatorOptions}} whcih houses 2 booleans, we will only be able to do this if {{DiscriminatorOptions}} is not at all specified.  Which is ok as it still matches your intent since you only want to avoid using Hibernate specific annotations.

> Having to use @ForceDiscriminator kind of breaks JPA compatibility
> ------------------------------------------------------------------
>
>                 Key: HHH-4358
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4358
>             Project: Hibernate ORM
>          Issue Type: Improvement
>          Components: annotations
>         Environment: JPA
>            Reporter: Steve Ebersole
>            Assignee: Steve Ebersole
>              Labels: jpa2
>             Fix For: 4.1.0
>
>
> According to
> http://opensource.atlassian.com/projects/hibernate/browse/ANN-36
> @ForceDiscriminator was created as a quick workaround to a problem.
> Yes, it solves the problem, but it creates a new problem:
> the source code which previously had only JPA annotations, now need to be annotated by a Hibernate annotation,
> causing that the the source code is now unable to use just any JPA provider.
> Major portability issue!
> Everyone who likes Open Source, hates Lock-Ins!
> My proposal: change the default to a more sane force=true, so that @ForceDiscriminator will not be needed for general JPA projects.
> (And create a @DisableDiscriminator Hibernate annotation, for those who like to brake their code).
> If changing default behavior is risky, don't fix this on older versions, but lets change this from 3.5.0-Beta2.

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