On Aug 19, 2010, at 14:31, Brad Gibbs wrote:
> // create object for prototype model
> NSString *prototypePath = [[NSBundle mainBundle]
> pathForResource:@"IconConfig" ofType:@"mom"];
>
> if (prototypePath == nil) {
> prototypePath = [[NSBundle mainBundle]
> pathForResource:@"IconConfig" ofType:@"momd"];
> }
> NSLog(@"Prototype path is %@", prototypePath);
What is shown as the prototype path?
Note that there *is* (presumably) a resource called IconConfig.mom -- inside
the IconConfig.momd directory -- which contains your current model. If your
code is finding that, then it won't look for IconConfig.momd, and so the
returned model will look (presumably) to Core Data as if there's only one
version.
Have you tried reversing this test, so that it finds the momd resource first,
and only looks for the mom resource if there's no momd?
Also, have you tried examining the results of NSMappingModel’s
inferredMappingModelForSourceModel:destinationModel:error: method?
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