PropClass.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 _LibCore_PropClass_H
#define _LibCore_PropClass_H
 
#include <boost/serialization/version.hpp>
#include <boost/serialization/map.hpp>
#include <vector>
 
#include "GranOO3/Core/Prop.hpp"
#include "GranOO3/Core/Macro.hpp"
 
namespace GranOO3
{
  namespace Core
  {
 
    template <class C>
    class PropClass
    {
 
    public:
      // Constructors and destructor
      PropClass();
      virtual ~PropClass();
 
      // Physical property management
      template<class T> T& new_object();     // If a prop object already exist, It does nothing
      template<class T> T& get();
      template<class T> const T& get() const;
      template<class T> bool prop_exist() const;
      template<class T> void add_prop(Core::Prop<C>*);
      void remove_prop(Core::Prop<C>*);
 
      std::string info() const;
 
    private:
      PropClass(const PropClass&) = delete;
      PropClass & operator=(const PropClass &) = delete;
 
      //SERIALIZATION
      friend class boost::serialization::access;
      template<class Archive> void save(Archive&, const unsigned int ) const;
      template<class Archive> void load(Archive&, const unsigned int);
      BOOST_SERIALIZATION_SPLIT_MEMBER();
 
    protected:
      std::vector<Core::Prop<C>*> _prop;
    };
 
 
 
    // PropClassWrapper that allows an easy access to properties via
    // the class that own these properties. It works with the
    // GRANOO_CLASS(CLASS) macro see libCore/Macro.hpp
    template<bool>
    class PropWrapper
    {
    };
 
    template<>
    struct PropWrapper<false>
    {
      template<class T2> static Null& prop(T2& p) {
        SafeModeAssert(true, "This class does not contain property");
        return Null::null;
      }
 
       template<class T2> static const Null& get_prop(const T2& p) {
        SafeModeAssert(true, "This class does not contain property");
        return Null::null;
      }
 
      template<class T2> static Null& new_prop() {
        SafeModeAssert(true, "This class does not contain property");
        return Null::null;
      }
 
    };
 
    template<>
    struct PropWrapper<true>
    {
      template<class T1, class T2> static T1& prop(T2& p) {
        PropClass<typename T1::Owner>& pc = static_cast<PropClass<typename T1::Owner>&>(p);
        T1& t = pc.template get<T1>();
        return (t);
      }
 
      template<class T1, class T2> static const T1& get_prop(const T2& p) {
        const PropClass<typename T1::Owner>& pc = static_cast<const PropClass<typename T1::Owner>&>(p);
        const T1& t = pc.template get<T1>();
        return (t);
      }
 
      template<class T1, class T2> static T1& new_prop(T2& p) {
        PropClass<T2>& pc = static_cast<PropClass<T2>&>(p);
        if (pc.template prop_exist<T1>())
          return pc.template get<T1>();
 
        T1& t = pc.template new_object<T1>();
        return (t);
      }
 
    };
 
 
 
  }
}
 
#include "GranOO3/Core/PropClass.tpp"
 
#endif