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From "Craig L Russell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-667) Extend PersistenceManageFactory to return all known entity classes
Date Mon, 25 Oct 2010 19:22:22 GMT

    [ https://issues.apache.org/jira/browse/JDO-667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12924687#action_12924687
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Craig L Russell commented on JDO-667:
-------------------------------------

Could you write up a technical description of the method suitable for inclusion in the specification,
and think about writing test cases?

When does a class appear in the list? In JDO, classes and metadata are loaded lazily, so we
need to decide when a class is required to be in the list, and when a class is allowed to
be in the list.



> Extend PersistenceManageFactory to return all known entity classes
> ------------------------------------------------------------------
>
>                 Key: JDO-667
>                 URL: https://issues.apache.org/jira/browse/JDO-667
>             Project: JDO
>          Issue Type: New Feature
>    Affects Versions: JDO 3
>            Reporter: Marco
>             Fix For: JDO 3 maintenance release 1
>
>
> JDO 3 now has the ability to declare meta-data programmatically. Part of this feature
is the ability to ask the PersistenceManagerFactory via the method getMetadata(java.lang.String)
for the meta-data of one single class. But there is no way to list all known classes.
> I therefore kindly ask for a new method in PersistenceManagerFactory like this:
> Collection<String> getClassesWithMetadata();
> Btw., this is Andy's suggestion posted here: http://www.datanucleus.org/servlet/forum/viewthread_thread,6379#33224
> I'd greatly appreciate, if this method became a part of JDO 3.1.
> Edit 1: I just saw the various overloaded methods getManagedObjects(...) in PersistenceManager
- maybe the alternative method name "getManagedClasses()" would be more consistent?

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