| [CDO] [EMF] undo redo issue with CDOObject modification [message #1456733] |
Thu, 30 October 2014 17:12 |
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Hello
I'm experiencing some issues on execution of several undo/redo of CDOObjects modifications. Here are some scenarios:
scenario 1:
* create an ecore model with class A and B. A contains a list of B.
* use EMF gen model with CDO Native and feature delegation = Reflective
* create an instance A1
* create an instance B1 and B2
* undo, undo + redo redo -> IndexOutOfBoundsException
scenario 2: existing CDO junit test
Otherwise, the junit test Bugzilla_429659_Test in org.eclipse.emf.cdo.tests contains 2 tests which has been disabled(Eike commit)
These two tests are KO.
Actually, this is a regression which comes from the overload of BasicEStoreEList::unset (cf Bug: 296559, Ed commit) in org.eclipse.emf.ecore.EStoreEObjectImpl
I have a fix which is simply add clear(); at the beginning of BasicEStoreEList::unset(), keeping, in this way, the abstract class implementation structure.
public void unset()
{
clear();
if (isUnsettable())
{
if (isNotificationRequired())
{
boolean oldIsSet = isSet();
eStore().unset(owner, eStructuralFeature);
dispatchNotification(createNotification(Notification.UNSET, oldIsSet, false));
} else {
eStore().unset(owner, eStructuralFeature);
}
}
}
This fix solve my scenario and also the broken CDO tests in Bugzilla_429659_Test.
Summary :
the fix is in org.eclipse.emf.ecore.EStoreEObjectImpl
the UnitTest is in org.eclipse.emf.cdo.tests. I am not able to find a scenario to do a unit test in emf
So, should I reopen the Bug: 296559 or open a new bug for CDO project.
Thanks to Eike and/or Ed for your feedback
Laurent
Laurent Fasani - Obeo
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