Class

NSQueryGenerationToken

A token that indicates which generation of the persistent store is being accessed.

Declaration

@interface NSQueryGenerationToken : NSObject

Overview

When a managed object context is pinned to a specific generation of the app data, a query generation token will be associated with that context.

Topics

Identifying Generations of App Data

Relationships

Inherits From

See Also

Conflict Management

NSConstraintConflict

An encapsulation of conflicts that occur during an attempt to save a managed object.

NSMergeConflict

An encapsulation of conflicts that occur during an attempt to save changes in a managed object context.

NSMergePolicy

A policy object that you use to resolve conflicts between the persistent store and in-memory versions of managed objects.