DataServiceConfiguration.SetEntitySetAccessRule Método

Artículo
04/13/2012

Establece los permisos para el recurso de conjunto de entidades especificado.

Espacio de nombres: System.Data.Services
Ensamblado: Microsoft.Data.Services (en Microsoft.Data.Services.dll)

Sintaxis

'Declaración
Public Sub SetEntitySetAccessRule ( _
    name As String, _
    rights As EntitySetRights _
)
'Uso
Dim instance As DataServiceConfiguration
Dim name As String
Dim rights As EntitySetRights

instance.SetEntitySetAccessRule(name, _
    rights)

public void SetEntitySetAccessRule(
    string name,
    EntitySetRights rights
)

public:
virtual void SetEntitySetAccessRule(
    String^ name, 
    EntitySetRights rights
) sealed

abstract SetEntitySetAccessRule : 
        name:string * 
        rights:EntitySetRights -> unit 
override SetEntitySetAccessRule : 
        name:string * 
        rights:EntitySetRights -> unit

public final function SetEntitySetAccessRule(
    name : String, 
    rights : EntitySetRights
)

Parámetros

name
Tipo: System.String
Nombre del conjunto de entidades para el que se van a establecer permisos.

rights
Tipo: System.Data.Services.EntitySetRights
Derechos de acceso que se van a conceder a este recurso, pasados como un valor EntitySetRights.

Implementa

IDataServiceConfiguration.SetEntitySetAccessRule(String, EntitySetRights)

Comentarios

Al especificar un valor de un asterisco (*) para el parámetro name, los permisos se establecen para todos los conjuntos de entidades que no tienen los permisos establecidos explícitamente.

Ejemplos

En este ejemplo se muestra la página de código subyacente para un servicio de datos basado en Northwind, con acceso concedido a los conjuntos de entidades seleccionados.

Imports System.Data.Services
Imports System.Linq
Imports System.ServiceModel.Web

Public Class Northwind
    Inherits DataService(Of NorthwindEntities)

    ' This method is called only once to initialize service-wide policies.
    Public Shared Sub InitializeService(ByVal config As DataServiceConfiguration)
        ' Grant only the rights needed to support the client application.
        config.SetEntitySetAccessRule("Orders", EntitySetRights.AllRead _
             Or EntitySetRights.WriteMerge _
             Or EntitySetRights.WriteReplace)
        config.SetEntitySetAccessRule("Order_Details", EntitySetRights.AllRead _
            Or EntitySetRights.AllWrite)
        config.SetEntitySetAccessRule("Customers", EntitySetRights.AllRead)
    End Sub
End Class

using System.Data.Services;
using System.Linq;
using System.ServiceModel.Web;

namespace NorthwindService
{
    [ServiceBehavior(IncludeExceptionDetailInFaults = true)]
    public class Northwind : DataService<NorthwindEntities>
    {
        // This method is called only once to initialize service-wide policies.
        public static void InitializeService(DataServiceConfiguration config)
        {
            // Grant only the rights needed to support the client application.
            config.SetEntitySetAccessRule("Orders", EntitySetRights.AllRead
                 | EntitySetRights.WriteMerge
                 | EntitySetRights.WriteReplace);
            config.SetEntitySetAccessRule("Order_Details", EntitySetRights.AllRead
                | EntitySetRights.AllWrite);
            config.SetEntitySetAccessRule("Customers", EntitySetRights.AllRead);
            config.DataServiceBehavior.MaxProtocolVersion =
                System.Data.Services.Common.DataServiceProtocolVersion.V3;
        }
    }
}