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
+\ No newline at end of file