ObjectStateManager Class

Reference

Definition

Namespace:: System.Data.Entity.Core.Objects

Assembly:: EntityFramework.dll

Important

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Maintains object state and identity management for entity type instances and relationship instances.

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1506:AvoidExcessiveClassCoupling")]
public class ObjectStateManager

type ObjectStateManager = class

Public Class ObjectStateManager

Inheritance: Object
ObjectStateManager

Attributes: SuppressMessageAttribute

Constructors

ObjectStateManager(MetadataWorkspace)

Initializes a new instance of the ObjectStateManager class.

Properties

MetadataWorkspace

Gets the MetadataWorkspace associated with this state manager.

Methods

ChangeObjectState(Object, EntityState)	Changes state of the ObjectStateEntry for a specific object to the specified entityState .
ChangeRelationshipState(Object, Object, String, EntityState)	Changes the state of the relationship between two entity objects that is specified based on the two related objects and the name of the navigation property.
ChangeRelationshipState(Object, Object, String, String, EntityState)	Changes the state of the relationship between two entity objects that is specified based on the two related objects and the properties of the relationship.
ChangeRelationshipState<TEntity>(TEntity, Object, Expression<Func<TEntity,Object>>, EntityState)	Changes the state of the relationship between two entity objects that is specified based on the two related objects and a LINQ expression that defines the navigation property.
GetObjectStateEntries(EntityState)	Returns a collection of ObjectStateEntry objects for objects or relationships with the given state.
GetObjectStateEntry(EntityKey)	Returns an ObjectStateEntry for the object or relationship entry with the specified key.
GetObjectStateEntry(Object)	Returns an ObjectStateEntry for the specified object.
GetRelationshipManager(Object)	Returns the RelationshipManager that is used by the specified object.
TryGetObjectStateEntry(EntityKey, ObjectStateEntry)	Tries to retrieve the corresponding ObjectStateEntry for the object or relationship with the specified EntityKey .
TryGetObjectStateEntry(Object, ObjectStateEntry)	Tries to retrieve the corresponding ObjectStateEntry for the specified Object .
TryGetRelationshipManager(Object, RelationshipManager)	Returns the RelationshipManager that is used by the specified object.

Events

ObjectStateManagerChanged

Occurs when entities are added to or removed from the state manager.

Applies to