Singleton.h
Go to the documentation of this file.00001 //SINGLETON: 00002 // Title: template Singleton 00003 // File: Singleton.h 00004 // 00005 // Function: Singleton template for managing resources 00006 // 00007 // Author: Thomas Mörwald 00008 // Date: 26.03.2009 00009 // ---------------------------------------------------------------------------- 00010 00011 #include <stdio.h> 00012 00013 namespace Tracking{ 00014 00015 template <typename T> 00016 class Singleton 00017 { 00018 public: 00019 static T* GetInstance(){ 00020 if (!m_instance) 00021 m_instance = new T (); 00022 return m_instance; 00023 } 00024 virtual ~Singleton(){ 00025 m_instance = 0; 00026 } 00027 private: 00028 static T* m_instance; 00029 protected: 00030 Singleton() { } 00031 }; 00032 00033 template <typename T> 00034 T* Singleton <T>::m_instance = 0; 00035 00036 } 00037