1 files changed, 84 insertions, 0 deletions

diff --git a/src/libjin-lua/common/l_shared.hpp b/src/libjin-lua/common/l_shared.hpp
new file mode 100644
index 0000000..6a58ab3
--- /dev/null
+++ b/src/libjin-lua/common/l_shared.hpp
@@ -0,0 +1,84 @@
+#ifndef __JE_LUA_SHARED_H__
+#define __JE_LUA_SHARED_H__
+
+#include <map>
+#include <vector>
+#include <functional>
+
+#include "libjin/jin.h"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        class LuaObject;
+
+        ///
+        /// Thread shared object wrapper.
+        ///
+        class Shared
+        {
+        public:
+            Shared(Object* obj)
+                : mCount(0)
+                , mObject(obj)
+            {
+            }
+
+            inline Object* operator->()
+            {
+                return static_cast<Object*>(mObject);
+            }
+
+            inline Object* getObject()
+            {
+                return static_cast<Object*>(mObject);
+            }
+
+            template<class T>
+            inline T* getObject()
+            {
+                return static_cast<T*>(mObject);
+            }
+
+        private:
+            friend class LuaObject;
+
+            // Disable copy.
+            Shared(const Shared& shared);
+
+            ///
+            /// Sharedֻ���ڶ�
+            ///
+            ~Shared()
+            {
+                delete mObject;
+            }
+
+            ///
+            /// ��ͬһ���̵߳�lua_State�У�LuaObject��EngineObjectӦ����һһ��Ӧ����LuaObject(lua runtime)�������ü���
+            /// �ͻ��ա�Engine-side���ü�����Ϊ��ά����ͬ�̵߳�lua_State����ͬһ��EngineObject��ÿ����LuaObject��һ��
+            /// Sharedʱ������һ�����ü�������������ͬһ���߳��У�һ��EngineObjectֻ����һ��LuaObject�󶨣�������new 
+            /// instance�����У���ômCount�ͱ���EngineObject�Ĺ����߳�����
+            ///
+            inline void Shared::retain()
+            {
+                ++mCount;
+            }
+
+            inline void Shared::release()
+            {
+                if (--mCount <= 0)
+                    delete this;
+            }
+
+            Object* mObject;
+            int mCount;
+
+        };
+        
+    } // namespace Lua
+} // namespace JinEngine
+
+#endif
\ No newline at end of file