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Re: NSManagedObject temporary instance attribute
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Re: NSManagedObject temporary instance attribute


  • Subject: Re: NSManagedObject temporary instance attribute
  • From: Mike Abdullah <email@hidden>
  • Date: Tue, 7 Aug 2007 12:19:18 +0100

When the object turns into a fault, your instance variable remains the same. It is up to you to manage it from the -willSave - didTurnIntoFault etc. methods.

Mike.

On 7 Aug 2007, at 12:09, Paulo F. Andrade wrote:

Hi!

For a few times I have felt the need to add a temporary ivar to an NSManagedObject.

I know I can create a transient attribute in the model and use that. But I don't even want for this temporary ivar to be part of the undo & redo stuff or even to send KVO notifications. I really just want a temporary variable to be there in between method invocations.

My question is:
What would happen if I declared a variable like shown below when my managed object get's turned into a fault?


@interface SomeObject : NSManagedObject {
	MyObject *obj;
}

@end

Another question, does a save: operation on a NSManagedObjectContext turn all registered object into a fault?

Paulo F. Andrade 52439@IST
mailto: email@hidden



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References: 
 >NSManagedObject temporary instance attribute (From: "Paulo F. Andrade" <email@hidden>)

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