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Re: Core Data And Required Bindings

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Re: Core Data And Required Bindings

Subject: Re: Core Data And Required Bindings
From: mmalc crawford <email@hidden>
Date: Sun, 19 Nov 2006 07:33:09 -0800

On Nov 18, 2006, at 3:13 PM, Chris Outwin wrote:

The docs say NSManagedObject turns automatic KVO off for attributes in the model, so I can't observe the attributes.

This is not the case. The docs say that NSManagedObject turns automatic KVO off for attributes in the model, so you must invoke the KVO methods yourself:

"**You must ensure that you invoke the relevant access and change notification methods.** NSManagedObject disables automatic notifications for key-value observing (KVO, see Key-Value Observing Programming Guide), and the primitive accessor methods do not invoke the access and change notification methods (willAccessValueForKey:, didAccessValueForKey:, willChangeValueForKey:, and didChangeValueForKey:)." <http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/Articles/cdAccessorMethods.html >

mmalc

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  >Core Data And Required Bindings (From: Chris Outwin <email@hidden>)




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