dummy.hh

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/* -*- C++ -*-
 * $Id: dummy.hh 990 2005-09-14 15:17:04Z sjoyeux $
 */
#ifndef UTILMM_SINGLETON_DUMMY_HEADER
# define UTILMM_SINGLETON_DUMMY_HEADER

# include <string>
#include <boost/utility.hpp>

#include "utilmm/singleton/bits/server_fwd.hh"

namespace utilmm {
  namespace singleton {
    class dummy;

    namespace details {
      struct dummy_factory {
        virtual ~dummy_factory() {};
        virtual dummy* create() const = 0;
      };
    }

    class dummy :public ::boost::noncopyable {
    protected:
      dummy();
      virtual ~dummy() =0;

      static void attach(std::string const &name, details::dummy_factory const& factory);
      static void detach(std::string const &name);

      static dummy *instance(std::string const &name);

    private:
      void incr_ref() const;
      bool decr_ref() const;

      mutable size_t ref_counter;

      friend class utilmm::singleton::server;
    }; // class utilmm::singleton::dummy

  } // namespace utilmm::singleton
} // namespace utilmm

#endif // UTILMM_SINGLETON_DUMMY_HEADER