| Craig Russell (JIRA) 2007-11-26, 7:11 pm |
|
[ https://issues.apache.org/jira/brow...action_12545651 ]
Craig Russell commented on JDO-548:
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After looking at this in more detail, I don't think we can use type <T> in the signature due to capture conversions and least upper bounds issues.
Here's what I've been able to get to work:
Set getManagedObjects();
Set getManagedObjects(EnumSet<ObjectState> states);
Set getManagedObjects(Class... classes);
SetSet getManagedObjects(EnumSet<ObjectState> states, Class... classes);
With this, we need to define the behavior if states and/or classes is empty or null:
If states is empty (states.size() == 0) or null, instances in all states are returned. If classes is empty (classes.size() == 0) or null, managed instances of all types are returned.
> PM.getManagedObjects() : access to the objects enlisted in a transaction
> ------------------------------------------------------------------------
>
> Key: JDO-548
> URL: https://issues.apache.org/jira/browse/JDO-548
> Project: JDO
> Issue Type: New Feature
> Components: api2, api2-legacy, specification
> Reporter: Andy Jefferson
> Fix For: JDO 2 maintenance release 1
>
> Attachments: api2-legacy.managedobjects.patch, api2.managedobjects.patch
>
>
> It would be desirable to provide access to the objects enlisted in the transaction of a PersistenceManager. It is proposed that this be via the following methods on javax.jdo.PersistenceManager.
> api2
> Collection getManagedObjects(); // Return all enlisted objects
> Collection getManagedObjects(ObjectState ... states); // Return enlisted objects in the specified states
> api2-legacy
> Collection getManagedObjects(); // Return all enlisted objects
> The return type could just as easily be Object[].
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