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Java > Open Source Codes > org > objectweb > openccm > plugins > transaction > deployment > TheTransactionManager


1 /*================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2002 USTL - LIFL - GOAL
5 Contact: openccm-team@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): Romain Rouvoy.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/
26
27 package org.objectweb.openccm.plugins.transaction.deployment;
28
29 import org.objectweb.openccm.plugins.transaction.deployment.TransactionManagerLocal;
30
31 /**
32  * Singleton to access to the transaction manager
33  *
34  * @author <a HREF="mailto:Romain.Rouvoy@lifl.fr">Romain Rouvoy</a>
35  *
36  * @version 0.3
37  */
38 public class TheTransactionManager
39 {
40         // ==================================================================
41 //
42 // Internal state.
43 //
44 // ==================================================================
45 /**
46          * Instance for the singleton
47          *
48          */
49     protected static TransactionManagerImpl manager_ = null;
50
51     // ==================================================================
52 //
53 // Internal methods.
54 //
55 // ==================================================================
56
57     // ==================================================================
58 //
59 // Public methods.
60 //
61 // ==================================================================
62 /**
63          * Provide the reference of the active transaction manager
64          *
65          * @return the instance of the current transaction manager
66          */
67     public static TransactionManagerLocal
68     get_instance ()
69     {
70         if (manager_ == null)
71         {
72             manager_ = new TransactionManagerImpl ();
73         }
74         return manager_;
75     }
76 }
77
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