Jerry, Does the deleted object have relationships? And if so, what is the state of those objects?
Dave On 2011-09-26, at 2:27 PM, Jerry Krinock wrote: > > On 2011 Sep 26, at 03:48, Richard Somers wrote: > >> My rough testing of a managed object (no undo grouping) produced the >> following results… > > Thank you, Richard. I agree with those results. > >> Regarding the contents of the undo and redo stack you could inspect it's >> contents using something like this… > > Oh, I have a better way to do peek the undo stack. I don't use > NSUndoManager. Instead, I use the open-sourced GCUndoManager. > GCUndoManager's stacks are public, and I have code which extracts the target, > selector and arguments from the invocations which are on the stacks. > Unfortunately, they're quite opaque with Core Data. > >> Hope this helps. > > Well, it looks like it's going to be a long week. > > By overriding -dealloc, I've confirmed that the managed object for which > "Core Data cannot fulfill a fault" is not being deallocced. And just to make > sure that GCUndoManager wasn't causing a problem, I #if-ed NSUndoManager back > into the project and retested. But I still get the same "cannot fulfill a > fault" exception in my corner case. (Also, I get additional exceptions which > are due to NSUndoManager not being as smart as GCUndoManager.) > > * * * > > So I go back to my assertion that, when undoing object deletion, Core Data > somehow un-faults the faulted object by re-populating it with properties it > has stored in an argument of an invocation which it had earlier pushed onto > the undo stack. I'm still looking for confirmation of that, and any ideas on > how I might possibly by hosing that machinery. > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/dave.fernandes%40utoronto.ca > > This email sent to dave.fernan...@utoronto.ca _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
