utilmm: utilmm: wrapper.hh Source File

00001 /* -*- C++ -*-
00002  * $Id: wrapper.hh 971 2005-04-08 16:31:47Z sjoyeux $
00003  */
00004 #ifndef UTILMM_SINGLETON_WRAPPER_HEADER
00005 # define UTILMM_SINGLETON_WRAPPER_HEADER
00006 
00007 #include "utilmm/singleton/bits/dummy.hh"
00008 
00009 namespace utilmm {
00010   namespace singleton {
00011     namespace details {
00012         template<typename Ty>
00013         class wrapper_factory;
00014     }
00015 
00030     template<typename Ty>
00031     class wrapper :private dummy {
00032     public:
00040       static void attach();
00050       static void detach();
00051 
00058       static Ty &instance();
00059 
00060     private:
00061       wrapper();
00062       ~wrapper();
00063 
00064       static std::string name();
00065 
00066       Ty value;
00067 
00068       friend class details::wrapper_factory<Ty>;
00069     }; // class utilmm::singleton::wrapper<>
00070 
00071   } // namespace utilmm::singleton
00072 } // namespace utilmm
00073 
00074 # define IN_UTILMM_SINGLETON_WRAPPER_HEADER
00075 #include "utilmm/singleton/bits/wrapper.tcc"
00076 # undef IN_UTILMM_SINGLETON_WRAPPER_HEADER
00077 #endif // UTILMM_SINGLETON_WRAPPER_HEADER
00078