A description object used to create and load a persistent store.
SDKs
- iOS 10.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 10.0+
- watchOS 3.0+
Framework
- Core Data
Declaration
class NSPersistentStoreDescription : NSObject
ClassNSPersistent
NSPersistent
Topics
Creating a Persistent Store Description
init(url: URL)Initializes the receiver with a URL for the store.
Configuring a Persistent Store Description
var url: URL?The URL that the store will use for its location.
var configuration: String?The name of the configuration used by this store.
var timeout: TimeThe connection timeout for the associated store.
var type: StringThe type of store this description represents.
var isA flag that indicates whether this store will be read-only.
var shouldA flag that determines whether the store is added asynchronously.
var shouldA flag indicating whether a mapping model should be created automatically.
var shouldA flag indicating whether the associated persistent store should be migrated automatically.
func setSets an option on the store.
func setAllows you to set pragmas for the SQLite store.
Accessing the Configuration Options
var options: [String : NSObject]A dictionary representation of the options set on the associated persistent store.
var sqliteThe SQLite pragmas set for the associated persistent store. (read-only)
Syncing to CloudKit
var cloudOptions that customize how this store description aligns with a CloudKit database.
See Also
Store Coordination
class NSPersistentA coordinator that uses the model to help contexts and persistent stores communicate.
class NSPersistentThe abstract base class for all Core Data persistent stores.
class NSPersistentCriteria used to retrieve data from or save data to a persistent store.
class NSPersistentThe abstract base class for results returned from a persistent store coordinator.
class NSPersistentA concrete class used to represent the results of an asynchronous request.
class NSSaveAn encapsulation of a collection of changes to be made by an object store in response to a save operation on a managed object context.
class NSAtomicAn abstract superclass that you subclass to create a Core Data atomic store.
class NSAtomicA concrete class that you use to represent basic nodes in a Core Data atomic store.
class NSIncrementalAn abstract superclass defining the API through which Core Data communicates with a store.
class NSIncrementalA concrete class used to represent basic nodes in a Core Data incremental store.