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Posted to jdo-dev@db.apache.org by "Craig L Russell (JIRA)" <ji...@apache.org> on 2012/10/12 08:47:04 UTC
[jira] [Commented] (JDO-667) Extend PersistenceManageFactory to
return all known entity classes
[ https://issues.apache.org/jira/browse/JDO-667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474840#comment-13474840 ]
Craig L Russell commented on JDO-667:
-------------------------------------
The following was added to Chapter 11:
11.11 Managed Classes
Users may obtain a collection of classes that are being managed by the PersistenceManagerFactory. These classes include those that have been referenced by any PersistenceManager instances obtained from this PersistenceManagerFactory, using methods such as getExtent, newQuery, newInstance, and makePersistent. Other classes that were loaded by the implementation based on policy or implementation-specific features might also be returned.
The permission getMetadata must be granted to the caller or a SecurityException is thrown.
Collection<Class> getManagedClasses();
> 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
> Components: api, specification, tck
> Affects Versions: JDO 3 (3.0)
> Reporter: Marco
> Assignee: Craig L Russell
> Fix For: JDO 3 maintenance release 1 (3.1)
>
> Attachments: JDO-667-api.patch, JDO-667-tck.patch
>
>
> 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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