ClientSponsor.Renewal(ILease) Metodo

Definizione

Spazio dei nomi:

System.Runtime.Remoting.Lifetime

Assembly:

mscorlib.dll

Chiede a un client sponsor di rinnovare il lease per l'oggetto specificato.

public:
 virtual TimeSpan Renewal(System::Runtime::Remoting::Lifetime::ILease ^ lease);

[System.Security.SecurityCritical]
public TimeSpan Renewal (System.Runtime.Remoting.Lifetime.ILease lease);

[<System.Security.SecurityCritical>]
abstract member Renewal : System.Runtime.Remoting.Lifetime.ILease -> TimeSpan
override this.Renewal : System.Runtime.Remoting.Lifetime.ILease -> TimeSpan

Public Function Renewal (lease As ILease) As TimeSpan

Parametri

lease

ILease

Lease di durata dell'oggetto che richiede il rinnovo del lease.

Restituisce

TimeSpan

Durata di lease supplementare per l'oggetto specificato.

Implementazioni

Renewal(ILease)

Attributi

SecurityCriticalAttribute

Esempio

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();
}

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();
   }
}

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

Commenti

Il Renewal metodo viene chiamato dal Garbage Collector distribuito per rinnovare il lease per l'oggetto specificato.