ParameterMapItem.hpp

//===========================================================================
//
// File: ParameterMapItem.hpp
//
// Created: Tue Jun  2 19:05:54 2009
//
// Author(s): Bård Skaflestad     <bard.skaflestad@sintef.no>
//            Atgeirr F Rasmussen <atgeirr@sintef.no>
//
// $Date$
//
// $Revision$
//
//===========================================================================
 
/*
  Copyright 2009, 2010 SINTEF ICT, Applied Mathematics.
  Copyright 2009, 2010 Statoil ASA.
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM 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 3 of the License, or
  (at your option) any later version.
 
  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef OPM_PARAMETERMAPITEM_HEADER
#define OPM_PARAMETERMAPITEM_HEADER
 
#include <string>
 
namespace Opm {
        struct ParameterMapItem {
            ParameterMapItem() : used_(false) {}

            virtual ~ParameterMapItem() {}

            virtual std::string getTag() const = 0;
            void setUsed() const { used_ = true; }
            bool used() const { return used_; }
        private:
            mutable bool used_;
        };
 
        template<typename T>
        struct ParameterMapItemTrait {
            static T convert(const ParameterMapItem&,
                             std::string& conversion_error);
            static std::string type();
        };
} // namespace Opm
 
#endif // OPM_PARAMETERMAPITEM_HEADER