Instance Property

mergePolicy

The merge policy of the context.

Declaration

var mergePolicy: Any { get set }

Discussion

The default is NSErrorMergePolicy. For possible values, see NSMergePolicy.

See Also

Managing Concurrency

var automaticallyMergesChangesFromParent: Bool

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

var queryGenerationToken: NSQueryGenerationToken?

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

var transactionAuthor: String?

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

func mergeChanges(fromContextDidSave: Notification)

Merges the changes specified in a given notification.

func setQueryGenerationFrom(NSQueryGenerationToken?)

Sets the query generation this context should use.

enum NSManagedObjectContextConcurrencyType

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

let NSManagedObjectContextQueryGenerationKey: String

Constant used to reference the query generation token.