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


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 Name Service 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 TheNameService
38 {
39     // ==================================================================
40 //
41 // Internal state.
42 //
43 // ==================================================================
44
45     /**
46      ** To store the CosNaming::NamingContext singleton object.
47      **/
48     private static NamingContext namingContext_ = null;
49
50     // ==================================================================
51 //
52 // Constructor.
53 //
54 // ==================================================================
55
56     /**
57      ** The default constructor.
58      **/
59     private
60     TheNameService()
61     {
62     }
63
64     // ==================================================================
65 //
66 // Internal methods.
67 //
68 // ==================================================================
69
70     // ==================================================================
71 //
72 // Public methods.
73 //
74 // ==================================================================
75
76     /**
77      ** Obtain the CosNaming::NamingContext singleton object.
78      **
79      ** @return The CosNaming::NamingContext singleton object.
80      **/
81     public static NamingContext
82     getNamingContext()
83     {
84         if(namingContext_ == null)
85         {
86             namingContext_ = new NamingContext(
87                    org.omg.CosNaming.NamingContextHelper.narrow(
88                                TheORB.resolve_initial_reference("NameService")
89                    ));
90         }
91         return namingContext_;
92     }
93
94     /**
95      ** Set the CosNaming::NamingContext singleton object.
96      **
97      ** @param namingContext The NamingContext singleton object.
98      **/
99     public static void
100     setNamingContext(NamingContext namingContext)
101     {
102         namingContext_ = namingContext;
103     }
104 }
105
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