通过


ClientSponsor 类

定义

为生存期发起人类提供默认实现。

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
继承
ClientSponsor
属性
实现

示例

以下示例演示 ClientSponsor 类,以延长类激活的远程对象的生命周期。

#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

注解

当前生存期发起人实现可以通过指定所需的续订 TimeSpan来赞助对象。

注释

此类在类级别发出链接需求和继承需求。 当直接调用方或派生类没有基础结构权限时,将引发 A SecurityException 。 有关安全需求的详细信息,请参阅 链接需求

构造函数

名称 说明
ClientSponsor()

使用默认值初始化类的新实例 ClientSponsor

ClientSponsor(TimeSpan)

使用赞助对象的续订时间初始化类的新实例 ClientSponsor

属性

名称 说明
RenewalTime

获取或设置 TimeSpan 在请求续订时增加赞助对象的生存期的依据。

方法

名称 说明
Close()

清空向当前 ClientSponsor注册的列表对象。

CreateObjRef(Type)

创建一个对象,其中包含生成用于与远程对象通信的代理所需的所有相关信息。

(继承自 MarshalByRefObject)
Equals(Object)

确定指定对象是否等于当前对象。

(继承自 Object)
Finalize()

在垃圾回收器回收当前 ClientSponsor 资源之前释放这些资源。

GetHashCode()

用作默认哈希函数。

(继承自 Object)
GetLifetimeService()
已过时.

检索控制此实例的生存期策略的当前生存期服务对象。

(继承自 MarshalByRefObject)
GetType()

获取当前实例的 Type

(继承自 Object)
InitializeLifetimeService()

初始化为当前对象提供租约的新实例 ClientSponsor

MemberwiseClone()

创建当前 Object的浅表副本。

(继承自 Object)
MemberwiseClone(Boolean)

创建当前 MarshalByRefObject 对象的浅表副本。

(继承自 MarshalByRefObject)
Register(MarshalByRefObject)

注册指定的 MarshalByRefObject 赞助。

Renewal(ILease)

请求发起方客户端续订指定对象的租约。

ToString()

返回一个表示当前对象的字符串。

(继承自 Object)
Unregister(MarshalByRefObject)

从当前ClientSponsor发起的对象列表中取消注册指定的MarshalByRefObject对象。

适用于