On Sat, Nov 22, 2008 at 9:37 PM, Jamie Hardt <[EMAIL PROTECTED]> wrote: > How to I cause a managed object to perform a certain action upon deletion? > If I were working with Ruby On Rails or some other ORMs, I'd be able to > define an on_delete method or action that would automatically be invoked. > In core data, it seems that the best thing to do is to have a godlike > object listening for the > "NSManagedObjectContextObjectsDidChangeNotification" and doing the action > upon the object's removal.
I don't see why this requires a god object; why can't your model-controller (NSPersistentDocument subclass) register for this notification? Or, for that matter, whatever object needs to perform the action? --Kyle Sluder _______________________________________________ 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 [EMAIL PROTECTED]
