The NSPersistentDocument class is a subclass of NSDocument that is designed to easily integrate into the Core Data framework. It provides methods to access a document-wide NSManagedObjectContext object, and provides default implementations of methods to read and write files using the persistence framework.
Core Data Mac Os X Tutorial
Framework
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- AppKit
Declaration
Discussion
By default the Core Data framework creates a merged model from all models in the application bundle ([NSBundle mainBundle]). You can reimplement this property and return a specific model to use to create persistent stores. Driver full for mac os. A typical implementation might include code similar to the following fragment:
Special Considerations
In applications built in OS X v10.4, by default the Core Data framework creates a merged model from all the models found in the application bundle and the frameworks against which the application is linked.
Core Data Form 10400
See Also
func configurePersistentStoreCoordinator(for: URL, ofType: String, modelConfiguration: String?, storeOptions: [String : Any]?)Configures the receiver’s persistent store coordinator with the appropriate stores for a given URL.
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func persistentStoreType(forFileType: String) -> StringCore Data Macos Tutorial
Returns the type of persistent store associated with the specified file type.