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singleton.h
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2007 INRIA
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program 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
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  */
20 #ifndef SINGLETON_H
21 #define SINGLETON_H
22 
23 namespace ns3 {
24 
36 template <typename T>
37 class Singleton
38 {
39 public:
40  static T *Get (void);
41 
42 };
43 
44 } // namespace ns3
45 
46 namespace ns3 {
47 
48 template <typename T>
49 T *
50 Singleton<T>::Get (void)
51 {
52  static T object;
53  return &object;
54 }
55 
56 
57 } // namespace ns3
58 
59 #endif /* SINGLETON_H */
ns3::Singleton
a template singleton
Definition: singleton.h:37