author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Mon, 02 Jun 2008 10:30:24 -0700 | |
changeset 3190 | 51fe9001a679 |
parent 2834 | 1aab57845b07 |
permissions | -rw-r--r-- |
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
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/* |
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* Copyright (c) 2007 INRIA |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation; |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
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*/ |
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#ifndef SINGLETON_H |
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#define SINGLETON_H |
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|
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namespace ns3 { |
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|
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/** |
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* \brief a template singleton |
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* |
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* This template class can be used to implement the singleton pattern. |
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* The underlying object will be destroyed automatically when the process |
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* exits. Note that, if you call Singleton::Get again after the object has |
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* been destroyed, the object will be re-created which will result in a |
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* memory leak as reported by most memory leak checkers. It is up to the |
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* user to ensure that Singleton::Get is never called from a static variable |
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* finalizer. |
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*/ |
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template <typename T> |
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class Singleton |
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{ |
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public: |
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static T *Get (void); |
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|
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}; |
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|
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} // namespace ns3 |
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|
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namespace ns3 { |
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|
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template <typename T> |
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T * |
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Singleton<T>::Get (void) |
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{ |
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static T object; |
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return &object; |
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} |
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|
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|
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} // namespace ns3 |
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|
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#endif /* SINGLETON_H */ |