MetadataWorkspaceExtensions.GetRootOrSelf Method
Returns the entity type at the root of an inheritance hierarchy.
Namespace: Microsoft.Data.Entity.Design.DatabaseGeneration
Assembly: Microsoft.Data.Entity.Design.DatabaseGeneration (in Microsoft.Data.Entity.Design.DatabaseGeneration.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function GetRootOrSelf ( _
entityType As EntityType _
) As EntityType
'Usage
Dim entityType As EntityType
Dim returnValue As EntityType
returnValue = entityType.GetRootOrSelf()
public static EntityType GetRootOrSelf(
this EntityType entityType
)
[ExtensionAttribute]
public:
static EntityType^ GetRootOrSelf(
EntityType^ entityType
)
public static function GetRootOrSelf(
entityType : EntityType
) : EntityType
Parameters
- entityType
Type: System.Data.Metadata.Edm.EntityType
An entity type in a conceptual model.
Return Value
Type: System.Data.Metadata.Edm.EntityType
The entity type at the root of an inheritance hierarchy.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type EntityType. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Remarks
The GetRootOrSelf() method returns the specified entity type if it has no base type. Otherwise, this method returns the entity type at the root of the inheritance hierarchy of which the specified entity type is a derived type.
The GetRootOrSelf() method is used by the Generate Database Wizard when generating a database from a conceptual model.
Permissions
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
See Also
Reference
MetadataWorkspaceExtensions Class
MetadataWorkspaceExtensions Members
Microsoft.Data.Entity.Design.DatabaseGeneration Namespace
Other Resources
How to: Generate a Database from a Conceptual Model (Entity Data Model Tools)