open source

2020-11-11 16:17:13 +08:00
parent 4d989f3ecb
commit bc4ca748de
2441 changed files with 623057 additions and 2 deletions
@@ -0,0 +1,53 @@
+/**
+@file			JCSingleton.h
+@brief			
+@author			James
+@version		1.0
+@date			2016_5_12
+*/
+
+#ifndef __JCSingleton_H__
+#define __JCSingleton_H__
+
+namespace laya
+{
+	template<class T>
+	class JCSingleton
+	{
+	private:
+		struct _ObjectCreator
+		{
+			_ObjectCreator()
+			{
+                JCSingleton<T>::getInstance();
+			}
+
+			inline void do_nothing() const
+			{}
+		};
+		static _ObjectCreator m_CreateObject;
+	protected:
+		typedef T ObjectType;
+        JCSingleton()
+		{
+		}
+	public:
+		static ObjectType *getInstance()
+		{
+			static ObjectType _l_Obj;
+
+			m_CreateObject.do_nothing();
+
+			return &_l_Obj;
+		}
+		//不允许有delInstance。如果内容对象确实需要释放某些资源，则自己在内容类中添加释放的函数
+	};
+	template <typename T> typename JCSingleton<T>::_ObjectCreator JCSingleton<T>::m_CreateObject;
+}
+
+//------------------------------------------------------------------------------
+
+
+#endif //__JCSingleton_H__
+
+//-----------------------------END FILE--------------------------------