ISponsor Antarmuka

Referensi

Definisi

Ruang nama:: System.Runtime.Remoting.Lifetime

Rakitan:: mscorlib.dll

Penting

Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.

Menunjukkan bahwa pelaksana ingin menjadi sponsor sewa seumur hidup.

public interface class ISponsor

public interface ISponsor

[System.Runtime.InteropServices.ComVisible(true)]
public interface ISponsor

type ISponsor = interface

[<System.Runtime.InteropServices.ComVisible(true)>]
type ISponsor = interface

Public Interface ISponsor

Turunan: System.AddIn.Pipeline.ContractBase

System.Runtime.Remoting.Lifetime.ClientSponsor

Atribut: ComVisibleAttribute

Contoh

public ref class MyClientSponsor: public MarshalByRefObject, public ISponsor
{
private:
   DateTime lastRenewal;

public:
   MyClientSponsor()
   {
      lastRenewal = DateTime::Now;
   }

   [SecurityPermissionAttribute(SecurityAction::LinkDemand,Flags=SecurityPermissionFlag::Infrastructure)]
   virtual TimeSpan Renewal( ILease^ /* lease */ )
   {
      Console::WriteLine( "Request to renew the lease time." );
      Console::WriteLine( "Time since last renewal: {0}",
         DateTime::Now - lastRenewal );

      lastRenewal = DateTime::Now;
      return TimeSpan::FromSeconds( 20 );
   }
};

public class MyClientSponsor : MarshalByRefObject, ISponsor
{
   private DateTime lastRenewal;
   public MyClientSponsor()
   {
      lastRenewal = DateTime.Now;
   }

   public TimeSpan Renewal(ILease lease)
   {
      Console.WriteLine("Request to renew the lease time.");
      Console.WriteLine("Time since last renewal: " +
         (DateTime.Now - lastRenewal).ToString());

      lastRenewal = DateTime.Now;
      return TimeSpan.FromSeconds(20);
   }
}

Public Class MyClientSponsor
   Inherits MarshalByRefObject
   Implements ISponsor 
   Private lastRenewal As DateTime
   
   Public Sub New()
      lastRenewal = DateTime.Now
   End Sub
   
   <SecurityPermission(SecurityAction.LinkDemand, Flags := SecurityPermissionFlag.Infrastructure)> _
   Public Function Renewal(lease As ILease) As TimeSpan Implements ISponsor.Renewal
      Console.WriteLine("Request to renew the lease time.")
      Console.WriteLine("Time since last renewal: " + _ 
                      DateTime.op_Subtraction(DateTime.Now, lastRenewal).ToString())
      
      lastRenewal = DateTime.Now
      Return TimeSpan.FromSeconds(20)
   End Function 'Renewal
End Class

Keterangan

Objek harus mengimplementasikan ISponsor antarmuka jika perlu meminta perpanjangan sewa untuk objek tertentu. Objek yang mengimplementasikan ISponsor antarmuka dapat menjadi sponsor dengan mendaftarkan dirinya dengan manajer sewa. Antarmuka ISponsor digunakan oleh layanan seumur hidup untuk memanggil kembali ke sponsor.

Metode

Renewal(ILease)

Meminta klien yang mensponsori untuk memperbarui sewa untuk objek yang ditentukan.

Berlaku untuk

Bagikan melalui