diff options
author | chai <chaifix@163.com> | 2018-10-19 08:36:44 +0800 |
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committer | chai <chaifix@163.com> | 2018-10-19 08:36:44 +0800 |
commit | 7d5f055547e70fa93ee9ac944e62f8d657b9dc55 (patch) | |
tree | 081782a1541854db4b8eb69c4b43081f52711286 /src/libjin/Common/je_singleton.hpp | |
parent | 02dd1f38008594048f0e28bad01e7c6d18844198 (diff) |
*修改文件名
Diffstat (limited to 'src/libjin/Common/je_singleton.hpp')
-rw-r--r-- | src/libjin/Common/je_singleton.hpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/libjin/Common/je_singleton.hpp b/src/libjin/Common/je_singleton.hpp new file mode 100644 index 0000000..12b1450 --- /dev/null +++ b/src/libjin/Common/je_singleton.hpp @@ -0,0 +1,37 @@ +#ifndef __LIBJIN_SINGLETON_H +#define __LIBJIN_SINGLETON_H + +namespace jin +{ + + template<class T> + class Singleton + { + public: + static T* get() + { + if (_instance == nullptr) + _instance = new T; + return _instance; + } + static void destroy() + { + delete _instance; + _instance = nullptr; + } + protected: + Singleton() {}; + virtual ~Singleton() {}; + static T* _instance; + private: + Singleton(const Singleton&); + Singleton& operator = (const Singleton&); + }; + + template<class T> T* Singleton<T>::_instance = nullptr; + +#define singleton(T) friend Singleton<T> + +} // namespace jin + +#endif // __LIBJIN_SINGLETON_H
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