properties.hh

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// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_ISTL_AMG_PROPERTIES_HH
#define DUNE_ISTL_AMG_PROPERTIES_HH

#include <dune/common/propertymap.hh>

namespace Dune
{

  namespace Amg
  {
    struct VertexVisitedTag
    {};


    template<typename C, typename K, std::size_t i,typename T=typename C::ValueType,
        typename R = typename C::Reference>
    class RandomAccessBundledPropertyMap
      : public RAPropertyMapHelper<R,
            RandomAccessBundledPropertyMap<C,K,i,T,R> >
    {
    public:
      typedef C Container;

      typedef R Reference;

      typedef K Key;

      typedef LvaluePropertyMapTag Category;

      enum {
        index = i
      };

      Reference operator[](const Key& key) const
      {
        return container_[key][index];
      }

      RandomAccessBundledPropertyMap(Container& container)
        : container_(&container)
      {}

      RandomAccessBundledPropertyMap()
        : container_(0)
      {}

    private:
      Container* container_;
    };
  }
}

#endif