proc/mobject/session/defsmanager.hpp

/*
  DEFSMANAGER.hpp  -  access to preconfigured default objects and definitions
 
  Copyright (C)         Lumiera.org
    2008,               Hermann Vosseler <Ichthyostega@web.de>
 
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.
 
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
*/


#ifndef MOBJECT_SESSION_DEFSMANAGER_H
#define MOBJECT_SESSION_DEFSMANAGER_H


#include "common/p.hpp"
#include "common/query.hpp"

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



namespace mobject {
  namespace session {
    
    
    using lumiera::P;
    using boost::scoped_ptr;
    
    namespace impl { class DefsRegistry; }


    class DefsManager : private boost::noncopyable
      {
        scoped_ptr<impl::DefsRegistry> defsRegistry;
        
      protected:
        
        DefsManager ()  throw();
        friend class SessManagerImpl;
        
      public:
       ~DefsManager ();
       
        template<class TAR>
        P<TAR> operator() (const lumiera::Query<TAR>&);
        
        
        template<class TAR>
        P<TAR> search  (const lumiera::Query<TAR>&);
        
        template<class TAR>
        P<TAR> create  (const lumiera::Query<TAR>&);
        
        template<class TAR>
        bool define  (const P<TAR>&, const lumiera::Query<TAR>&);
        
        template<class TAR>
        bool forget  (const P<TAR>&);
        
        
// Q: can we have something along the line of...?
//
//        template
//          < class TAR,                   ///< the target to query for 
//            template <class> class SMP  ///<  smart pointer class to wrap the result
//          >
//        SMP<TAR> operator() (const lumiera::Query<TAR>&);
        
      };

      

  } // namespace mobject::session

} // namespace mobject
#endif

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