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Class EntityProviderHandler

Resolve and register IEntityProvider implementations for .NET types

Inheritance
System.Object
EntityProviderHandler
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: EPiServer.Data.Entity
Assembly: EPiServer.Data.dll
Version: 7.19.2
Syntax
public class EntityProviderHandler
Examples

Register an entity provider as follows:

Resolve an entity provider as follows:

Register an entity provider as follows when the type is not known at compile-time:

Constructors

EntityProviderHandler()

Initializes a new instance of this class.

Declaration
public EntityProviderHandler()

Properties

Instance

The globally available instance of the entity repository.

Declaration
public static EntityProviderHandler Instance { get; set; }
Property Value
Type Description
EntityProviderHandler
Remarks

This instance is being initialized by DataInitialization and will be null otherwise

Methods

GetEntityProvider(Type)

Gets the IEntityProvider that handles instantiation of the specified type

Declaration
public virtual IEntityProvider GetEntityProvider(Type entityType)
Parameters
Type Name Description
System.Type entityType

The System.Type that is required to be supported by the returned IEntityProvider
Returns
Type Description
IEntityProvider

Returns an instance of the IEntityProvider configured for the type requested in the entityType parameter, or null if no provider is found.

GetEntityProvider<TEntity>()

Gets the IEntityProvider that handles instantiation of the specified type

Declaration
public virtual IEntityProvider GetEntityProvider<TEntity>()

    where TEntity : IEntity
Returns
Type Description
IEntityProvider

Returns an instance of the IEntityProvider configured for the type requested in the TEntity parameter, or null if no provider is found.
Type Parameters
Name Description
TEntity

The type of the entity which you are requesting the provider for

GetEntityReference(Guid)

Declaration
[Obsolete("This method has been moved to the IEntityResolver implementation, syntax: ServiceLocator.Current.GetInstance<IEntityResolver>().GetEntityReference(guid) .", false)]
public EntityReference GetEntityReference(Guid guid)
Parameters
Type Name Description
System.Guid guid
Returns
Type Description
EntityReference

GetEntityUniqueID(EntityReference)

Declaration
[Obsolete("This Method has been moved to the IEntityResolver implementation, syntax: ServiceLocator.Current.GetInstance<IEntityResolver>().GetEntityUniqueID(er).", false)]
public Guid GetEntityUniqueID(EntityReference er)
Parameters
Type Name Description
EntityReference er
Returns
Type Description
System.Guid

GetTypeByID(Int32)

Declaration
[Obsolete("This Method has been moved to the IEntityTypeResolver implementation, syntax: ServiceLocator.Current.GetInstance<IEntityTypeResolver>().GetTypeByID(id).", false)]
public Type GetTypeByID(int id)
Parameters
Type Name Description
System.Int32 id
Returns
Type Description
System.Type

GetTypeID(Type, Boolean)

Declaration
[Obsolete("This Method has been moved to the IEntityTypeResolver implementation, syntax: ServiceLocator.Current.GetInstance<IEntityTypeResolver>().GetTypeID(type, ignoreOverrideAttribute)", false)]
public int GetTypeID(Type type, bool ignoreOverrideAttribute)
Parameters
Type Name Description
System.Type type
System.Boolean ignoreOverrideAttribute
Returns
Type Description
System.Int32

GetTypeName(Type)

Declaration
[Obsolete("This Method has been moved to the IEntityTypeResolver implementation, syntax: ServiceLocator.Current.GetInstance<IEntityTypeResolver>().GetTypeName(type)", false)]
public string GetTypeName(Type type)
Parameters
Type Name Description
System.Type type
Returns
Type Description
System.String

GetTypeName(Type, Boolean)

Declaration
[Obsolete("This Method has been moved to the IEntityTypeResolver implementation, syntax: ServiceLocator.Current.GetInstance<IEntityTypeResolver>().GetTypeName(type, ignoreOverrideAttribute).", false)]
public string GetTypeName(Type type, bool ignoreOverrideAttribute)
Parameters
Type Name Description
System.Type type
System.Boolean ignoreOverrideAttribute
Returns
Type Description
System.String

RegisterEntityProvider(IEntityProvider, Type[])

Registers a IEntityProvider that handles instantiation of the specified type

Declaration
public virtual void RegisterEntityProvider(IEntityProvider entityProvider, params Type[] supportedTypes)
Parameters
Type Name Description
IEntityProvider entityProvider

The instance of the IEntityProvider configured for the types requested
System.Type[] supportedTypes

A list of System.Type that is supported by the IEntityProvider

RegisterEntityProvider<TEntityProvider, TSupportedType>()

Registers a IEntityProvider that handles instantiation of the specified type

Declaration
public virtual void RegisterEntityProvider<TEntityProvider, TSupportedType>()

    where TEntityProvider : IEntityProvider, new()

    where TSupportedType : IEntity
Type Parameters
Name Description
TEntityProvider

The instance of the IEntityProvider configured for the type requested
TSupportedType

The System.Type that is required to be supported by the IEntityProvider
Remarks

If an instance of TEntityProvider is already added as a provider the TSupportedType will point to the same instance.

Extension Methods