2 // System.MarshalByRefObject.cs
5 // Miguel de Icaza (miguel@ximian.com)
6 // Lluis Sanchez Gual (lsg@ctv.es)
7 // Patrik Torstensson (totte_mono@yahoo.com)
9 // (C) Ximian, Inc. http://www.ximian.com
10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Threading;
33 using System.Runtime.Remoting;
34 using System.Security.Permissions;
35 using System.Runtime.InteropServices;
41 [StructLayout (LayoutKind.Sequential)]
42 public abstract class MarshalByRefObject
46 private object _identity; //Keep layout equal to avoid runtime issues
48 private ServerIdentity _identity; // Holds marshalling iformation of the object
51 protected MarshalByRefObject ()
56 internal ServerIdentity ObjectIdentity {
57 get { throw new NotSupportedException (); }
58 set { throw new NotSupportedException (); }
62 internal Identity GetObjectIdentity (MarshalByRefObject obj, out bool IsClient)
65 Identity objId = null;
67 if (RemotingServices.IsTransparentProxy (obj)) {
68 objId = RemotingServices.GetRealProxy (obj).ObjectIdentity;
72 objId = obj.ObjectIdentity;
78 internal ServerIdentity ObjectIdentity {
79 get { return _identity; }
80 set { _identity = value; }
84 [SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
85 public virtual ObjRef CreateObjRef (Type requestedType)
88 throw new NotSupportedException ();
90 // This method can only be called when this object has been marshalled
91 if (_identity == null)
92 throw new RemotingException (Locale.GetText ("No remoting information was found for the object."));
93 return _identity.CreateObjRef (requestedType);
97 // corcompare says it is "virtual final", so there is likely
98 // an internal interface in .NET.
99 [SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
100 public object GetLifetimeService ()
103 throw new NotSupportedException ();
105 if (_identity == null)
107 else return _identity.Lease;
111 [SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
112 public virtual object InitializeLifetimeService ()
115 throw new NotSupportedException ();
117 if (_identity != null && _identity.Lease != null)
118 return _identity.Lease;
120 return new System.Runtime.Remoting.Lifetime.Lease();
124 protected MarshalByRefObject MemberwiseClone (bool cloneIdentity)
127 throw new NotSupportedException ();
129 MarshalByRefObject mbr = (MarshalByRefObject) MemberwiseClone ();
131 mbr._identity = null;