Instance Property


Returns the token associated with the query generation currently in use by this context.


@property(nonatomic, strong, readonly) NSQueryGenerationToken *queryGenerationToken;

See Also

Managing Concurrency


A Boolean value that indicates whether the context automatically merges changes saved to its persistent store coordinator or parent context.


The concurrency type for the context.


The merge policy of the context.


The author for the context that is used as an identifier in persistent history transactions.

- mergeChangesFromContextDidSaveNotification:

Merges the changes specified in a given notification.

- setQueryGenerationFromToken:error:

Sets the query generation this context should use.

+ mergeChangesFromRemoteContextSave:intoContexts:

Handles changes from other processes or from a serialized state.


Constants to indicate the concurrency pattern with which a context will be used.


Constant used to reference the query generation token.

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