mcs/class/corlib/System/MarshalByRefObject.cs

   1 //
   2 // System.MarshalByRefObject.cs
   3 //
   4 // Authors:
   5 //   Miguel de Icaza (miguel@ximian.com)
   6 //   Lluis Sanchez Gual (lsg@ctv.es)
   7 //   Patrik Torstensson (totte_mono@yahoo.com)
   8 //
   9 // (C) Ximian, Inc.  http://www.ximian.com
  10 //
  11
  12 using System.Threading;
  13 using System.Runtime.Remoting;
  14
  15 namespace System
  16 {
  17         [Serializable]
  18         public abstract class MarshalByRefObject
  19         {
  20                 private ServerIdentity _identity; // Holds marshalling iformation of the object
  21
  22                 protected MarshalByRefObject ()
  23                 {
  24                 }
  25
  26                 internal Identity GetObjectIdentity (MarshalByRefObject obj, out bool IsClient)
  27                 {
  28                         IsClient = false;
  29                         Identity objId = null;
  30
  31                         if (RemotingServices.IsTransparentProxy (obj)) {
  32                                 objId = RemotingServices.GetRealProxy (obj).ObjectIdentity;
  33                                 IsClient = true;
  34                         }
  35                         else {
  36                                 objId = obj.ObjectIdentity;
  37                         }
  38
  39                         return objId;
  40                 }
  41
  42                 internal ServerIdentity ObjectIdentity {
  43                         get { return _identity; }
  44                         set { _identity = value; }
  45                 }
  46
  47                 public virtual ObjRef CreateObjRef (Type type)
  48                 {
  49                         // This method can only be called when this object has been marshalled
  50                         if (_identity == null)
  51                                 throw new RemotingException (Locale.GetText ("No remoting information was found for the object."));
  52                         return _identity.CreateObjRef (type);
  53                 }
  54
  55                 public object GetLifetimeService ()
  56                 {
  57                         if (_identity == null)
  58                                 return null;
  59                         else return _identity.Lease;
  60                 }
  61
  62                 public virtual object InitializeLifetimeService ()
  63                 {
  64                         return new System.Runtime.Remoting.Lifetime.Lease();
  65                 }
  66         }
  67 }