UnicastRemoteObject


1   /*
2    * Copyright (C) 2002-2003, Simon Nieuviarts
3    *
4    * This library is free software; you can redistribute it and/or
5    * modify it under the terms of the GNU Lesser General Public
6    * License as published by the Free Software Foundation; either
7    * version 2.1 of the License, or any later version.
8    * 
9    * This library is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   * Lesser General Public License for more details.
13   * 
14   * You should have received a copy of the GNU Lesser General Public
15   * License along with this library; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
17   * USA
18   */
19  package org.objectweb.carol.cmi;
20  
21  import java.rmi.NoSuchObjectException  ;
22  import java.rmi.Remote  ;
23  import java.rmi.RemoteException  ;
24  
25  /**
26   * To export objects in the cluster.
27   */
28  public class UnicastRemoteObject implements Remote   {
29      protected UnicastRemoteObject() throws RemoteException   {
30          exportObject((Remote  )this);
31      }
32  
33      public Object   clone() throws CloneNotSupportedException   {
34          throw new CloneNotSupportedException  ("Not implemented");
35      }
36  
37      /*
38          private static ClusterSkel putObject(Remote obj) throws RemoteException {
39              WeakRef wr = new WeakRef(obj, rQueue);
40              boolean start = false;
41              ClusterSkel cs;
42              synchronized (exports) {
43                  cs = (ClusterSkel)exports.get(wr);
44                  if (cs == null) {
45                      cs = new ClusterSkel(obj);
46                      exports.put(wr, cs);
47                      if (rQueueFlush == null) {
48                          rQueueFlush = new RefQueueFlush();
49                          start = true;
50                      }
51                  }
52              }
53              if (start) rQueueFlush.start();
54              return cs;
55          }
56      */
57  
58      public static void exportObject(Remote   obj)
59          throws RemoteException   {
60          /*
61                  if (obj instanceof UnicastRemoteObject) {
62                      ClusterSkel cs = putObject(obj);
63                  LowerOrb.exportObject(cs, port);
64                  return cs; // XXX Should return the stub
65              } else
66                  throw new RemoteException("no support for servers which do not extend " + UnicastRemoteObject.class.getClass().getName());
67          */
68          //      DistributedExports.exportObject(obj);
69          LowerOrb.exportObject(obj);
70      }
71  
72      public static void unexportObject(Remote   obj)
73          throws NoSuchObjectException   {
74          /*
75              ClusterSkel cs = (ClusterSkel)exports.get(obj);
76              if (cs == null)
77                  throw new NoSuchObjectException("Object not exported");
78              return LowerOrb.unexportObject(cs, force);
79          */
80          //      DistributedExports.unexportObject(obj);
81          LowerOrb.unexportObject(obj);
82      }
83  }
84
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