ClientSponsor Classe

Definizione

public ref class ClientSponsor : MarshalByRefObject, System::Runtime::Remoting::Lifetime::ISponsor

public class ClientSponsor : MarshalByRefObject, System.Runtime.Remoting.Lifetime.ISponsor

[System.Runtime.InteropServices.ComVisible(true)]
public class ClientSponsor : MarshalByRefObject, System.Runtime.Remoting.Lifetime.ISponsor

[System.Runtime.InteropServices.ComVisible(true)]
[System.Security.SecurityCritical]
public class ClientSponsor : MarshalByRefObject, System.Runtime.Remoting.Lifetime.ISponsor

type ClientSponsor = class
    inherit MarshalByRefObject
    interface ISponsor

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

[<System.Runtime.InteropServices.ComVisible(true)>]
[<System.Security.SecurityCritical>]
type ClientSponsor = class
    inherit MarshalByRefObject
    interface ISponsor

Public Class ClientSponsor
Inherits MarshalByRefObject
Implements ISponsor

Ereditarietà

Object

MarshalByRefObject

ClientSponsor

Attributi

ComVisibleAttribute SecurityCriticalAttribute

Implementazioni

ISponsor

Esempio

Nell'esempio seguente viene illustrata la classe ClientSponsor per estendere la durata di un oggetto remoto attivato dalla classe.

#using <system.dll>
#using <system.runtime.remoting.dll>
#using <ClientSponsor_Share.dll>

using namespace System;
using namespace System::Runtime::Remoting;
using namespace System::Runtime::Remoting::Channels;
using namespace System::Runtime::Remoting::Channels::Tcp;
using namespace System::Runtime::Remoting::Lifetime;

int main()
{
   // Register a channel.
   TcpChannel^ myChannel = gcnew TcpChannel;
   ChannelServices::RegisterChannel( myChannel );
   RemotingConfiguration::RegisterActivatedClientType(
      RemotingSamples::HelloService::typeid, "tcp://localhost:8085/" );
   
   // Get the remote Object*.
   RemotingSamples::HelloService ^ myService = gcnew RemotingSamples::HelloService;
   
   // Get a sponsor for renewal of time.
   ClientSponsor^ mySponsor = gcnew ClientSponsor;
   
   // Register the service with sponsor.
   mySponsor->Register( myService );
   
   // Set renewaltime.
   mySponsor->RenewalTime = TimeSpan::FromMinutes( 2 );
   
   // Renew the lease.
   ILease^ myLease = dynamic_cast<ILease^>(mySponsor->InitializeLifetimeService());
   TimeSpan myTime = mySponsor->Renewal( myLease );
   Console::WriteLine( "Renewed time in minutes is {0}", myTime.Minutes );
   
   // Call the remote method.
   Console::WriteLine( myService->HelloMethod( "World" ) );
   
   // Unregister the channel.
   mySponsor->Unregister( myService );
   mySponsor->Close();
}

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;
using System.Runtime.Remoting.Lifetime;
namespace RemotingSamples
{

   class HelloClient
   {
       static void Main()
      {
         // Register a channel.
         TcpChannel myChannel = new TcpChannel ();
         ChannelServices.RegisterChannel(myChannel);
         RemotingConfiguration.RegisterActivatedClientType(
                                typeof(HelloService),"tcp://localhost:8085/");

         // Get the remote object.
         HelloService myService = new HelloService();

         // Get a sponsor for renewal of time.
         ClientSponsor mySponsor = new ClientSponsor();

         // Register the service with sponsor.
         mySponsor.Register(myService);

         // Set renewaltime.
         mySponsor.RenewalTime = TimeSpan.FromMinutes(2);

         // Renew the lease.
         ILease myLease = (ILease)mySponsor.InitializeLifetimeService();
         TimeSpan myTime = mySponsor.Renewal(myLease);
         Console.WriteLine("Renewed time in minutes is " + myTime.Minutes.ToString());

         // Call the remote method.
         Console.WriteLine(myService.HelloMethod("World"));

         // Unregister the channel.
         mySponsor.Unregister(myService);
         mySponsor.Close();
      }
   }
}

Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Channels
Imports System.Runtime.Remoting.Channels.Tcp
Imports System.Runtime.Remoting.Lifetime

Namespace RemotingSamples

   Class HelloClient

      Shared Sub Main()
         ' Register a channel.
         Dim myChannel As New TcpChannel()
         ChannelServices.RegisterChannel(myChannel)
         RemotingConfiguration.RegisterActivatedClientType( _
                     GetType(HelloService), "tcp://localhost:8085")

         ' Get the remote object.
         Dim myService As New HelloService()

         ' Get a sponsor for renewal of time.
         Dim mySponsor As New ClientSponsor()

         ' Register the service with sponsor.
         mySponsor.Register(myService)

         ' Set renewaltime.
         mySponsor.RenewalTime = TimeSpan.FromMinutes(2)

         ' Renew the lease.
         Dim myLease As ILease = CType(mySponsor.InitializeLifetimeService(), ILease)
         Dim myTime As TimeSpan = mySponsor.Renewal(myLease)
         Console.WriteLine("Renewed time in minutes is " & myTime.Minutes)

         ' Call the remote method.
         Console.WriteLine(myService.HelloMethod("World"))

         ' Unregister the channel.
         mySponsor.Unregister(myService)
         mySponsor.Close()
      End Sub
   End Class


End Namespace 'RemotingSamples

Commenti

L'implementazione dello sponsor della durata corrente può essere usata per sponsorizzare gli oggetti specificando il rinnovo TimeSpanrichiesto.