Configurations in Core Data
Configurations in Core Data
- Subject: Configurations in Core Data
- From: Drew Mccormack <email@hidden>
- Date: Mon, 13 Nov 2006 17:23:08 +0100
I have an app with an in-memory store, and an XML file store. In the
past, I have been using assignObject:toPersistentStore: to ensure
that each NSManagedObject ended up in the correct store. This worked
fine, but I thought configurations would be a neater solution, so now
I am trying to get that to work. I have introduced two
configurations, one for the in memory entities, and one for the on
file ones.
Since I made this change, I have started getting this error when saving:
Can't reassign an object to a different store once it has been saved.
I create all my entity instances either with
insertNewObjectForEntityForName:inManagedObjectContext:, or in a
array controller bound to the managed object context, so I don't know
why I would get this error. I have also searched for
assignObject:toPersistentStore: calls, just in case I forgot one, but
there aren't any.
The only thing I can think is that it has to do with a cross-store
relationship that exists, but both ends of the relationship are
marked as transient, so I shouldn't think it would be a problem.
Any ideas?
Drew
---------------------------------------------------------
Drew McCormack
www.macanics.net
www.macresearch.org
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