mcs/class/corlib/System/MarshalByRefObject.cs

   1 //
   2 // System.MarshalByRefObject.cs
   3 //
   4 // Author:
   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 using System.Threading;
  12 using System.Runtime.Remoting;
  13
  14 namespace System {
  15
  16         [Serializable]
  17         public abstract class MarshalByRefObject {
  18                 private ServerIdentity _identity;               // Holds marshalling iformation of the object
  19
  20                 internal Identity GetObjectIdentity(MarshalByRefObject obj, out bool IsClient) {
  21                         IsClient = false;
  22                         Identity objId = null;
  23
  24                         if (RemotingServices.IsTransparentProxy(obj))
  25                         {
  26                                 objId = RemotingServices.GetRealProxy(obj).ObjectIdentity;
  27                                 IsClient = true;
  28                         } else
  29                         {
  30                                 objId = obj.ObjectIdentity;
  31                         }
  32
  33                         return objId;
  34                 }
  35
  36                 internal ServerIdentity ObjectIdentity
  37                 {
  38                         get { return _identity; }
  39                         set { _identity = value; }
  40                 }
  41
  42                 public virtual ObjRef CreateObjRef (Type type)
  43                 {
  44                         // This method can only be called when this object has been marshalled
  45                         if (_identity == null) throw new RemotingException ("No remoting information was found for the object");
  46                         return _identity.CreateObjRef (type);
  47                 }
  48
  49                 public object GetLifetimeService ()
  50                 {
  51                         if (_identity == null) return null;
  52                         else return _identity.Lease;
  53                 }
  54
  55                 public virtual object InitializeLifetimeService ()
  56                 {
  57                         return new System.Runtime.Remoting.Lifetime.Lease();
  58                 }
  59
  60                 protected MarshalByRefObject ()
  61                 {
  62                 }
  63         }
  64 }