TopicProviderSingleton


1   /*====================================================================
2   
3   OpenCCM: The Open CORBA Component Model Platform
4   Copyright (C) 2000-2003 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): Jerome Offroy.
23  Contributor(s): ______________________________________.
24  
25  ====================================================================*/
26  
27  package org.objectweb.util.monolog.provider.lib;
28  
29  import org.objectweb.util.monolog.provider.api.TopicProvider;
30  
31  /**
32   * @author Jerome Offroy
33   *
34   * Singleton class for TopicProviderImpl
35   */
36  public final class TopicProviderSingleton{
37      private static TopicProvider unique;
38  
39      /**
40       * Method getTopicProvider.
41       * @return TopicProviderImpl
42       */
43      static public TopicProvider getTopicProvider(){
44          if (unique == null) {
45              unique = new TopicProviderImpl();   
46          }
47          return unique;    
48      }
49      
50      /**
51       * Method createTopic.
52       * @param name
53       * @param ref
54       * @param description
55       * @return String
56       */
57      static public String   createTopic(String   name, Class   ref, String  [] description) {
58          return getTopicProvider().createTopic(name, ref, description);
59      }
60  }
61
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