1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

     2 /*

     3  * Copyright (c) 2007 INRIA

     4  * All rights reserved.

     5  *

     6  * This program is free software; you can redistribute it and/or modify

     7  * it under the terms of the GNU General Public License version 2 as

     8  * published by the Free Software Foundation;

     9  *

    10  * This program is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13  * GNU General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU General Public License

    16  * along with this program; if not, write to the Free Software

    17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    18  *

    19  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

    20  */

    21 #ifndef SINGLETON_H

    22 #define SINGLETON_H

    23 

    24 namespace ns3 {

    25 

    26 template <typename T>

    27 class Singleton

    28 {

    29 public:

    30   static T *Get (void);

    31 

    32 };

    33 

    34 } // namespace ns3

    35 

    36 namespace ns3 {

    37 

    38 template <typename T>

    39 T *

    40 Singleton<T>::Get (void)

    41 {

    42   static T object;

    43   return &object;

    44 }

    45 

    46 

    47 } // namespace ns3

    48 

    49 #endif /* SINGLETON_H */