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Singleton.h
Package: wow.rar [view]
Upload User: jxpjxmjjw
Upload Date: 2009-12-07
Package Size: 5877k
Code Size: 2k
Category:
Game Server Simulator
Development Platform:
Visual C++
- // Copyright (C) 2004 Team Python
- //
- // This program is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 2 of the License, or
- // (at your option) any later version.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- #ifndef WOWPYTHONSERVER_SINGLETON_H
- #define WOWPYTHONSERVER_SINGLETON_H
- #include "Errors.h"
- /// Should be placed in the appropriate .cpp file somewhere
- #define initialiseSingleton( type )
- template < > type * Singleton < type > :: mSingleton = 0
- /// To be used as a replacement for initialiseSingleton( )
- /// Creates a file-scoped Singleton object, to be retrieved with getSingleton
- #define createFileSingleton( type )
- initialiseSingleton( type );
- type the##type
- template < class type > class Singleton {
- public:
- /// Constructor
- Singleton( ) {
- /// If you hit this assert, this singleton already exists -- you can't create another one!
- WPAssert( mSingleton == 0 );
- mSingleton = ( type * ) this;
- }
- /// Destructor
- ~Singleton( ) { }
- /// Retrieve the singleton object, if you hit this assert this singleton object doesn't exist yet
- static type & getSingleton( ) { WPAssert( mSingleton ); return *mSingleton; }
- /// Retrieve a pointer to the singleton object
- static type * getSingletonPtr( ) { return mSingleton; }
- protected:
- /// Singleton pointer, must be set to 0 prior to creating the object
- static type * mSingleton;
- };
- #endif