NSManagedObjectContext Class
Definition
Important
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A collection of related managed objects that create aninternally-consistent view of one or more persistent stores.
[Foundation.Register("NSManagedObjectContext", true)]
public class NSManagedObjectContext : Foundation.NSObject, Foundation.INSCoding, Foundation.INSLocking, IDisposable[Foundation.Register("NSManagedObjectContext", true)]
public class NSManagedObjectContext : Foundation.NSObject, AppKit.INSEditor, AppKit.INSEditorRegistration, Foundation.INSCoding, Foundation.INSLocking, IDisposable[Foundation.Register("NSManagedObjectContext", true)]
public class NSManagedObjectContext : Foundation.NSObject, Foundation.INSCoding, IDisposable[<Foundation.Register("NSManagedObjectContext", true)>]
type NSManagedObjectContext = class
inherit NSObject
interface INSCoding
interface INativeObject
interface IDisposable
interface INSLocking[<Foundation.Register("NSManagedObjectContext", true)>]
type NSManagedObjectContext = class
inherit NSObject
interface INSCoding
interface INativeObject
interface IDisposable
interface INSLocking
interface INSEditor
interface INSEditorRegistration[<Foundation.Register("NSManagedObjectContext", true)>]
type NSManagedObjectContext = class
inherit NSObject
interface INSCoding
interface INativeObject
interface IDisposable- Inheritance
- Attributes
- Implements
Constructors
| Name | Description |
|---|---|
| NSManagedObjectContext() |
Default constructor that initializes a new instance of this class with no parameters. |
| NSManagedObjectContext(NativeHandle) |
A constructor used when creating managed representations of unmanaged objects. Called by the runtime. |
| NSManagedObjectContext(NSCoder) |
A constructor that initializes the object from the data stored in the unarchiver object. |
| NSManagedObjectContext(NSManagedObjectContextConcurrencyType) |
Creates a new NSManagedObjectContext of the specified type. |
| NSManagedObjectContext(NSObjectFlag) |
Constructor to call on derived classes to skip initialization and merely allocate the object. |
Properties
| Name | Description |
|---|---|
| AccessibilityAttributedUserInputLabels | (Inherited from NSObject) |
| AccessibilityRespondsToUserInteraction | (Inherited from NSObject) |
| AccessibilityTextualContext | (Inherited from NSObject) |
| AccessibilityUserInputLabels | (Inherited from NSObject) |
| AutomaticallyMergesChangesFromParent |
Gets or sets a Boolean that tells whether changes in the parent are automatically merged. |
| Class | (Inherited from NSObject) |
| ClassHandle |
The Objective-C class handle for this class. |
| ConcurrencyType |
Gets the receiver's concurrency type. |
| DebugDescription | (Inherited from NSObject) |
| DeletedObjects |
Gets a set that contains the objects that will be deleted by the next save operation. |
| Description | (Inherited from NSObject) |
| DidMergeChangesObjectIdsNotification |
Notification constant for DidMergeChangesObjectIds |
| DidSaveNotification |
Notification constant for DidSave |
| DidSaveObjectIdsNotification |
Notification constant for DidSaveObjectIds |
| ExposedBindings | (Inherited from NSObject) |
| Handle |
Handle (pointer) to the unmanaged object representation. (Inherited from NSObject) |
| HasChanges |
Gets a Boolean value that tells whether the receiver has any unsaved changes. |
| InsertedObjects |
Gets the inserted, but unsaved, objects in the context. |
| IsDirectBinding |
Gets or sets a value indicating whether this instance uses direct Objective-C binding. (Inherited from NSObject) |
| IsProxy | (Inherited from NSObject) |
| MergePolicy |
Gets or sets the receiver's merge policy. |
| Name |
Gets or sets a name for the object. |
| ObjectsDidChangeNotification |
Notification constant for ObjectsDidChange |
| ParentContext |
Gets the receiver's parent context. |
| PersistentStoreCoordinator |
Gets the receiver's store coordinator. |
| PropagatesDeletesAtEndOfEvent |
Gets or sets a Boolean value that controls whether the receiver propagates deletes after change events. |
| QueryGenerationToken |
Gets the token that identifes the current query generation behavior. |
| RegisteredObjects |
Gets a set that contains all of the receiver's registered objects. |
| RetainCount | (Inherited from NSObject) |
| RetainsRegisteredObjects |
Gets or sets a Boolean value that controls whether the receiver retains hard references to its registered managed objects. |
| Self | (Inherited from NSObject) |
| ShouldDeleteInaccessibleFaults |
Gets or sets a Boolean value that controls whether inaccessible faults wil be deleted. |
| StalenessInterval |
Gets or sets the maximum elapsed time after fetching which causes fault fulfillment to fetch new data. |
| Superclass | (Inherited from NSObject) |
| SuperHandle |
Handle used to represent the methods in the base class for this NSObject. (Inherited from NSObject) |
| TransactionAuthor |
Gets or sets the author of the persistent history context. |
| TryLock | |
| UndoManager |
Gets the receiver's undo manager. |
| UpdatedObjects |
Gets a set that contains all of the receiver's objects which have uncommitted changes. |
| UserInfo |
Gets the receiver's user information. |
| WillSaveNotification |
Notification constant for WillSave |
| Zone | (Inherited from NSObject) |
Methods
| Name | Description |
|---|---|
| AddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr) | (Inherited from NSObject) |
| AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr) | (Inherited from NSObject) |
| AddObserver(NSString, NSKeyValueObservingOptions, Action<NSObservedChange>) |
Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject) |
| AddObserver(String, NSKeyValueObservingOptions, Action<NSObservedChange>) |
Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject) |
| AssignObject(NSObject, NSPersistentStore) |
Assigns |
| AwakeFromNib() | (Inherited from NSObject) |
| BeginInvokeOnMainThread(Action) |
Invokes the specified action asynchronously on the main UI thread. (Inherited from NSObject) |
| BeginInvokeOnMainThread(Selector, NSObject) |
Invokes asynchronously the specified code on the main UI thread. (Inherited from NSObject) |
| Bind(NSString, NSObject, String, NSBindingOptions) | (Inherited from NSObject) |
| Bind(NSString, NSObject, String, NSDictionary) | (Inherited from NSObject) |
| CommitEditing() | |
| CommitEditing(NSError) | |
| CommitEditing(NSObject, Selector, IntPtr) | |
| ConformsToProtocol(NativeHandle) | (Inherited from NSObject) |
| Copy() | (Inherited from NSObject) |
| CountForFetchRequest(NSFetchRequest, NSError) |
Returns the number of objects that |
| DangerousAutorelease() |
Calls the 'autorelease' selector on this object. (Inherited from NSObject) |
| DangerousRelease() |
Calls the 'release' selector on this object. (Inherited from NSObject) |
| DangerousRetain() |
Calls the 'retain' selector on this object. (Inherited from NSObject) |
| DeleteObject(NSManagedObject) |
Queues |
| DetectConflictsForObject(NSManagedObject) |
Marks |
| DidChange(NSKeyValueChange, NSIndexSet, NSString) | (Inherited from NSObject) |
| DidChange(NSString, NSKeyValueSetMutationKind, NSSet) | (Inherited from NSObject) |
| DidChangeValue(String) | (Inherited from NSObject) |
| DiscardEditing() | |
| Dispose() |
Releases the resources used by the NSObject object. (Inherited from NSObject) |
| Dispose(Boolean) |
Releases the resources used by the NSObject object. (Inherited from NSObject) |
| DoesNotRecognizeSelector(Selector) | (Inherited from NSObject) |
| EncodeTo(NSCoder) |
Encodes the state of the object using the provided encoder. |
| Equals(NSObject) |
Determines whether the specified NSObject is equal to the current NSObject. (Inherited from NSObject) |
| Equals(Object) |
Determines whether the specified object is equal to the current NSObject. (Inherited from NSObject) |
| ExecuteFetchRequest(NSFetchRequest, NSError) |
Runs the specified |
| ExecuteRequest(NSPersistentStoreRequest, NSError) |
Runs the specified |
| GetBindingInfo(NSString) | (Inherited from NSObject) |
| GetBindingOptionDescriptions(NSString) | (Inherited from NSObject) |
| GetBindingValueClass(NSString) | (Inherited from NSObject) |
| GetDictionaryOfValuesFromKeys(NSString[]) | (Inherited from NSObject) |
| GetExistingObject(NSManagedObjectID, NSError) |
Fetches an object with a specified id. |
| GetHashCode() |
Generates a hash code for the current instance. (Inherited from NSObject) |
| GetMethodForSelector(Selector) | (Inherited from NSObject) |
| GetNativeHash() | (Inherited from NSObject) |
| Init() |
Initializes the object by calling the Objective-C |
| InitializeHandle(NativeHandle, String) | (Inherited from NSObject) |
| InitializeHandle(NativeHandle) | (Inherited from NSObject) |
| InsertObject(NSManagedObject) |
Inserts |
| Invoke(Action, Double) |
Invokes the specified action after the specified delay. (Inherited from NSObject) |
| Invoke(Action, TimeSpan) |
Invokes the specified action after the specified delay. (Inherited from NSObject) |
| InvokeOnMainThread(Action) |
Invokes the specified action synchronously on the main UI thread. (Inherited from NSObject) |
| InvokeOnMainThread(Selector, NSObject) |
Invokes synchronously the specified code on the main UI thread. (Inherited from NSObject) |
| IsEqual(NSObject) | (Inherited from NSObject) |
| IsKindOfClass(Class) | (Inherited from NSObject) |
| IsMemberOfClass(Class) | (Inherited from NSObject) |
| Lock() |
Developers should not use this deprecated method. Developers should use a queue style context and 'PerformAndWait' instead. |
| MarkDirty() |
Promotes a regular peer object (IsDirectBinding is true) into a toggleref object. (Inherited from NSObject) |
| MergeChangesFromContextDidSaveNotification(NSNotification) |
Method that is called to merge the changes that are specified by |
| MergeChangesFromRemoteContextSave(NSDictionary, NSManagedObjectContext[]) |
Merges remote changes. |
| MutableCopy() | (Inherited from NSObject) |
| ObjectDidBeginEditing(INSEditor) | |
| ObjectDidEndEditing(INSEditor) | |
| ObjectDidEndEditing(NSObject) | (Inherited from NSObject) |
| ObjectRegisteredForID(NSManagedObjectID) |
Returns the object that is identified by |
| ObjectWithID(NSManagedObjectID) |
Returns the object that is identified by |
| ObserveValue(NSString, NSObject, NSDictionary, IntPtr) | (Inherited from NSObject) |
| ObserveValue(String, NSObject, NSDictionary, IntPtr) |
Observes the object that is identified by the provided object and keypath for changes. |
| ObtainPermanentIDsForObjects(NSManagedObject[], NSError) |
Converts the objec identifiers to permanent identifiers for the provided |
| Perform(Action) |
Asynchronously performs the specified |
| PerformAndWait(Action) |
Synchronously performs the specified |
| PerformSelector(Selector, NSObject, Double, NSString[]) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject, Double) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean) | (Inherited from NSObject) |
| PerformSelector(Selector) | (Inherited from NSObject) |
| PrepareForInterfaceBuilder() | (Inherited from NSObject) |
| ProcessPendingChanges() |
Tells the receiver to process all changes on the object graph. |
| Redo() |
Reverses the most recent unreversed undo. |
| RefreshAllObjects() |
Refreshes all objects in the store. |
| RefreshObject(NSManagedObject, Boolean) |
Refreshes |
| RemoveObserver(NSObject, NSString, IntPtr) | (Inherited from NSObject) |
| RemoveObserver(NSObject, NSString) | (Inherited from NSObject) |
| RemoveObserver(NSObject, String, IntPtr) | (Inherited from NSObject) |
| RemoveObserver(NSObject, String) | (Inherited from NSObject) |
| Reset() |
Resets the receiver. |
| RespondsToSelector(Selector) | (Inherited from NSObject) |
| Rollback() |
Rolls the state of all objects in the object graph back to the most recent committed values. |
| Save(NSError) |
Saves uncommitted changes and reports any error that it encounters. |
| SetNilValueForKey(NSString) | (Inherited from NSObject) |
| SetQueryGenerationFromToken(NSQueryGenerationToken, NSError) |
Sets the query generation from the specified query generation token. |
| SetValueForKey(NSObject, NSString) | (Inherited from NSObject) |
| SetValueForKeyPath(NativeHandle, NSString) |
Sets the value for the property identified by a given key path to a given value. (Inherited from NSObject) |
| SetValueForKeyPath(NSObject, NSString) | (Inherited from NSObject) |
| SetValueForUndefinedKey(NSObject, NSString) | (Inherited from NSObject) |
| SetValuesForKeysWithDictionary(NSDictionary) | (Inherited from NSObject) |
| ShouldHandleInaccessibleFault(NSManagedObject, NSManagedObjectID, NSPropertyDescription) |
Returns a Boolean value that controls whether inaccessible faults wil be handled. |
| ToString() |
Returns a string representation of the value of the current instance. (Inherited from NSObject) |
| Unbind(NSString) | (Inherited from NSObject) |
| Undo() |
Instructs the receiver to undo its uncommitted changes. |
| Unlock() | |
| ValueForKey(NSString) | (Inherited from NSObject) |
| ValueForKeyPath(NSString) | (Inherited from NSObject) |
| ValueForUndefinedKey(NSString) | (Inherited from NSObject) |
| WillChange(NSKeyValueChange, NSIndexSet, NSString) | (Inherited from NSObject) |
| WillChange(NSString, NSKeyValueSetMutationKind, NSSet) | (Inherited from NSObject) |
| WillChangeValue(String) | (Inherited from NSObject) |