mcs/class/corlib/System.Runtime.Remoting.Activation/ContextLevelActivator.cs

   1 //
   2 // System.Runtime.Remoting.Activation.ContextLevelActivator.cs
   3 //
   4 // Author: Lluis Sanchez Gual (lluis@ideary.com)
   5 //
   6 // (C) 2003, Lluis Sanchez Gual
   7 //
   8
   9 using System;
  10 using System.Runtime.Remoting.Messaging;
  11 using System.Runtime.Remoting.Contexts;
  12
  13 namespace System.Runtime.Remoting.Activation
  14 {
  15         [Serializable]
  16         internal class ContextLevelActivator: IActivator
  17         {
  18                 IActivator m_NextActivator;
  19
  20                 public ContextLevelActivator (IActivator next)
  21                 {
  22                         m_NextActivator = next;
  23                 }
  24
  25                 public ActivatorLevel Level
  26                 {
  27                         get { return ActivatorLevel.Context; }
  28                 }
  29
  30                 public IActivator NextActivator
  31                 {
  32                         get { return m_NextActivator; }
  33                         set { m_NextActivator = value; }
  34                 }
  35
  36                 public IConstructionReturnMessage Activate (IConstructionCallMessage ctorCall)
  37                 {
  38                         ServerIdentity identity = RemotingServices.CreateContextBoundObjectIdentity (ctorCall.ActivationType);
  39                         RemotingServices.SetMessageTargetIdentity (ctorCall, identity);
  40
  41                         ConstructionCall call = ctorCall as ConstructionCall;
  42                         if (call == null || !call.IsContextOk)
  43                         {
  44                                 identity.Context = Context.CreateNewContext (ctorCall);
  45                                 Context oldContext = Context.SwitchToContext (identity.Context);
  46
  47                                 try
  48                                 {
  49                                         return m_NextActivator.Activate (ctorCall);
  50                                 }
  51                                 finally
  52                                 {
  53                                         Context.SwitchToContext (oldContext);
  54                                 }
  55                         }
  56                         else
  57                                 return m_NextActivator.Activate (ctorCall);
  58                 }
  59         }
  60 }