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