The set of objects registered with the context.
- iOS 3.0+
- macOS 10.4+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
A managed object context does not post key-value observing notifications when the return value of
Registering and Fetching Objects
Returns the number of objects a given fetch request would have returned if it had been passed to
Returns an object for a specified ID even if the object needs to be fetched.
Passes a request to the persistent store without affecting the contents of the managed object context and returns a persistent store result.
Refreshes all currently registered objects that are associated with this context.
A Boolean value that indicates whether the context keeps strong references to all registered managed objects.
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