Re: Facile Core Data Question
Re: Facile Core Data Question
- Subject: Re: Facile Core Data Question
- From: "Kyle Sluder" <email@hidden>
- Date: Sat, 22 Nov 2008 22:07:43 -0500
On Sat, Nov 22, 2008 at 9:37 PM, Jamie Hardt <email@hidden> 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
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