class/corlib/System.Runtime.Remoting.Activation/RemoteActivator.cs

   1 //
   2 // System.Runtime.Remoting.RemoteActivator.cs
   3 //
   4 // Author: Lluis Sanchez Gual (lsg@ctv.es)
   5 //
   6 // (C) 2002, Lluis Sanchez Gual
   7 //
   8
   9 //
  10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  11 //
  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:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  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.
  30 //
  31
  32 using System;
  33 using System.Runtime.Remoting.Lifetime;
  34 using System.Runtime.Remoting.Messaging;
  35
  36 namespace System.Runtime.Remoting.Activation
  37 {
  38         internal class RemoteActivator: MarshalByRefObject, IActivator
  39         {
  40                 public IConstructionReturnMessage Activate (IConstructionCallMessage msg)
  41                 {
  42                         if (!RemotingConfiguration.IsActivationAllowed (msg.ActivationType))
  43                                 throw new RemotingException ("The type " + msg.ActivationTypeName + " is not allowed to be client activated");
  44
  45                         object[] activationAttributes = new object[] { new RemoteActivationAttribute (msg.ContextProperties) };
  46                         MarshalByRefObject newObject = (MarshalByRefObject) Activator.CreateInstance (msg.ActivationType, msg.Args, activationAttributes);
  47
  48                         // The activator must return a ConstructionResponse with an ObjRef as return value.
  49                         // It avoids the automatic creation of a proxy in the client.
  50
  51                         ObjRef objref = RemotingServices.Marshal (newObject);
  52                         return new ConstructionResponse (objref, null, msg);
  53                 }
  54
  55                 public override Object InitializeLifetimeService()
  56                 {
  57                         ILease lease = (ILease)base.InitializeLifetimeService();
  58                         if (lease.CurrentState == LeaseState.Initial)
  59                         {
  60                                 lease.InitialLeaseTime = TimeSpan.FromMinutes(30);
  61                                 lease.SponsorshipTimeout = TimeSpan.FromMinutes(1);
  62                                 lease.RenewOnCallTime = TimeSpan.FromMinutes(10);
  63                         }
  64                         return lease;
  65                 }
  66
  67                 public ActivatorLevel Level
  68                 {
  69                         get { throw new NotSupportedException (); }
  70                 }
  71
  72                 public IActivator NextActivator
  73                 {
  74                         get { throw new NotSupportedException (); }
  75                         set { throw new NotSupportedException (); }
  76                 }
  77         }
  78 }