Class

NSAsynchronousFetchRequest

A fetch request that retrieves results asynchronously and supports progress notification.

Declaration

@interface NSAsynchronousFetchRequest<__covariant ResultType> : NSPersistentStoreRequest

Topics

Initializing a Request

- initWithFetchRequest:completionBlock:

Initializes a new asynchronous fetch request configured with the provided fetch request and completion block.

Preparing a Request

completionBlock

The block that is executed when the fetch request has completed.

estimatedResultCount

A configuration parameter that assists Core Data with scheduling the asynchronous fetch request.

fetchRequest

The underlying fetch request that is executed asynchronously.

Relationships

See Also

Fetch Requests

NSFetchRequest

A description of search criteria used to retrieve data from a persistent store.

NSAsynchronousFetchResult

A fetch result object that encompasses the response from an executed asynchronous fetch request.

NSFetchedResultsController

A controller that you use to manage the results of a Core Data fetch request and to display data to the user.