AttractiveSpring.hpp

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// This file is part of GranOO, a workbench for DEM simulation.
//
// Author(s)    : - Damien Andre       IRCER/UNILIM, Limoges France
//                  <damien.andre@unilim.fr>
//                - Jean-luc Charles   Arts et Metiers ParisTech, CNRS, I2M, Bordeaux France
//                  <jean-luc.charles@ensam.eu>
//                - Jeremie Girardot   Arts et Metiers ParisTech, CNRS, I2M, Bordeaux France
//                  <jeremie.girardot@ensam.eu>
//                - Cedric Hubert      LAMIH/UPHF, Valenciennes France
//                  <cedric.hubert@uphf.fr>
//                - Ivan Iordanoff     Arts et Metiers ParisTech, CNRS, I2M, Bordeaux France
//                  <ivan.iordanoff@ensam.eu>
//
// Copyright (C) 2008-2019 D. Andre, JL. Charles, J. Girardot, C. Hubert, I. Iordanoff
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
 
 
#ifndef _libDEM_AttractiveSpring_hpp_
#define _libDEM_AttractiveSpring_hpp_
 
#include <string>
#include <vector>
 
#include "GranOO3/DEM/Bond/Spring.hpp"
 
namespace GranOO3
{
  namespace DEM
  {
 
    class AttractiveSpring : public Spring,
                 public Core::Register<AttractiveSpring> {
 
      GRANOO_CLASS(DEM::AttractiveSpring, Spring);
 
    public:
      //CONSTRUCTORS & DESTRUCTORS
      AttractiveSpring(Element& el1, Element& el2, double stiffness,  double damping);
      AttractiveSpring(Element& el1, Element& el2);
 
      virtual ~AttractiveSpring();
 
      //USEFULL
      virtual void compute_load();
      virtual std::string info() const;
 
    private:
      AttractiveSpring() = delete;
      AttractiveSpring(const AttractiveSpring&) = delete;
      AttractiveSpring & operator=(const AttractiveSpring &) = delete;
 
    private:
      //BOOST SERIALIZATION
      friend class boost::serialization::access;
      template<class Archive> void serialize(Archive&, const unsigned int);
    };
 
    //BOOST SERIALIZATION
    template<class Archive> void
    AttractiveSpring::serialize(Archive & ar, const unsigned int) {
      ar & boost::serialization::base_object<Spring>(*this);
    }
    
  }
}
 
 
// need placement new snippet because no default constructor exist
namespace boost
{
  namespace serialization
  {
 
    template<class Archive> void
    save_construct_data(Archive & ar,
                        const GranOO3::DEM::AttractiveSpring * t,
                        const unsigned int) {
      const GranOO3::DEM::Element* de1 = &t->get_element1();
      const GranOO3::DEM::Element* de2 = &t->get_element2();
      ar << de1;
      ar << de2;
    }
 
    template<class Archive> void
    load_construct_data(Archive &ar, GranOO3::DEM::AttractiveSpring *t, const unsigned int) {
      GranOO3::DEM::Element* de1 = nullptr;
      GranOO3::DEM::Element* de2 = nullptr;
      ar >> de1;
      ar >> de2;
      ::new(t)GranOO3::DEM::AttractiveSpring(*de1,*de2);
    }
  }
} // namespace ...
 
namespace GranOO3
{
  GRANOO_CLASS_DECLARE_TPL(DEM::AttractiveSpring);
}
 
#endif