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Java > Open Source Codes > org > objectweb > openccm > corba > TheRootPOA


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2004 INRIA & USTL - LIFL - GOAL
5 Contact: openccm@objectweb.org
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA
21
22 Initial developer(s): Philippe Merle.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/
26
27 package org.objectweb.openccm.corba;
28
29 /**
30  * This class encapsulates the Root POA singleton object.
31  *
32  * @author <a HREF="mailto:Philippe.Merle@lifl.fr">Philippe Merle</a>
33  *
34  * @version 0.3
35  */
36
37 public abstract class TheRootPOA
38 {
39     // ==================================================================
40 //
41 // Internal state.
42 //
43 // ==================================================================
44
45     /**
46      ** To store the Root POA singleton object.
47      **/
48     private static org.omg.PortableServer.POA JavaDoc rootPOA_ = null;
49
50     // ==================================================================
51 //
52 // Constructor.
53 //
54 // ==================================================================
55
56     /**
57      ** The default constructor.
58      **/
59     private
60     TheRootPOA()
61     {
62     }
63
64     // ==================================================================
65 //
66 // Internal methods.
67 //
68 // ==================================================================
69
70     // ==================================================================
71 //
72 // Public methods.
73 //
74 // ==================================================================
75
76     /**
77      ** Obtain the Root POA singleton object.
78      **
79      ** @return The Root POA singleton object.
80      **/
81     public static org.omg.PortableServer.POA JavaDoc
82     getRootPOA()
83     {
84         if(rootPOA_ == null)
85         {
86             rootPOA_ = org.omg.PortableServer.POAHelper.narrow(
87                 TheORB.resolve_initial_reference("RootPOA"));
88         }
89         return rootPOA_;
90     }
91
92     /**
93      ** Set the Root POA singleton object.
94      **
95      ** @param poa The Root POA singleton object.
96      **/
97     public static void
98     setRootPOA(org.omg.PortableServer.POA JavaDoc poa)
99     {
100         rootPOA_ = poa;
101     }
102 }
103
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