[seam-issues] [JBoss JIRA] Updated: (JBSEAM-3562) update() should consult the dirty flag on the persistence context

[Norman Richards (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBSEAM-3562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Norman Richards updated JBSEAM-3562:
------------------------------------

    Fix Version/s: The future
                       (was: 2.2.1.CR1)


> update() should consult the dirty flag on the persistence context
> -----------------------------------------------------------------
>
>                 Key: JBSEAM-3562
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3562
>             Project: Seam
>          Issue Type: Feature Request
>          Components: Framework
>    Affects Versions: 2.1.0.CR1
>            Reporter: Dan Allen
>            Assignee: Dan Allen
>            Priority: Minor
>             Fix For: The future
>
>   Original Estimate: 15 minutes
>  Remaining Estimate: 15 minutes
>
> When update() is called on a Home instance, only attempt to flush, register the status message, and raise the transaction success event if the persistence context was dirty. Of course, this only is effective if Hibernate is the persistence provider.
> @Transactional
> public String update()
> {
>    joinTransaction();
>    // For a non-Hibernate JPA provider, this always returns true
>    if (PersistenceProvider.instance().isDirty(getEntityManager()))
>    {
>       getEntityManager().flush();
>       updatedMessage();
>       raiseAfterTransactionSuccessEvent();
>       return "updated";
>    }
>    return "unchanged";
> }

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