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When is -validateForUpdate: invoked?

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When is -validateForUpdate: invoked?

Subject: When is -validateForUpdate: invoked?
From: email@hidden
Date: Wed, 4 Jul 2007 14:22:13 +0200

Hello,

I have been trying to understand when -[NSManagedObject validateForUpdate:] is being invoked after I update the object in the UI. I use -validate<Key>:error: that gets invoked nicely when I edited <Key> in the UI. But there are some other validations I'd like to do when any attribute of this entity gets updated and I was hoping that I could do this in the first method. But it never gets called! Do I need to do this explicitly? The documentation is not clear on this as far as I can see.

Thanks!
Annard
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