entitypointer.hh

// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_ALBERTA_ENTITYPOINTER_HH
#define DUNE_ALBERTA_ENTITYPOINTER_HH
 
#include <dune/grid/common/entitypointer.hh>
 
#include <dune/grid/albertagrid/elementinfo.hh>
 
#if HAVE_ALBERTA
 
namespace Dune
{
 
  // External Forward Declarations
  // -----------------------------
 
  template< int dim, int dimworld >
  class AlbertaGrid;
 
 
 
  template< int codim, class GridImp >
  class AlbertaGridEntityPointer
  {
    typedef AlbertaGridEntityPointer< codim, GridImp > This;
 
    friend class AlbertaGrid< GridImp::dimension, GridImp::dimensionworld >;
 
  public:
    static const int dimension = GridImp::dimension;
    static const int codimension = codim;
    static const int mydimension = dimension - codimension;
    static const int dimensionworld = GridImp::dimensionworld;
 
    typedef typename GridImp::template Codim< codimension >::Entity Entity;
 
  protected:
    typedef MakeableInterfaceObject< Entity > EntityObject;
    typedef typename EntityObject::ImplementationType EntityImp;
 
  public:
    typedef AlbertaGridEntityPointer< codimension, GridImp > EntityPointerImp;
 
    typedef typename EntityImp::ElementInfo ElementInfo;
 
    AlbertaGridEntityPointer ();
 
    AlbertaGridEntityPointer ( const GridImp &grid,
                               const ElementInfo &elementInfo,
                               int subEntity );
 
    AlbertaGridEntityPointer ( const GridImp &grid );
 
    AlbertaGridEntityPointer ( const EntityImp &entity );
 
#if 0
    ~AlbertaGridEntityPointer();
#endif
 
    bool equals ( const This &other ) const;
 
    Entity &dereference () const;
 
    int level () const;
 
  protected:
    EntityImp &entityImp ();
 
    const EntityImp &entityImp () const;
 
    const GridImp &grid () const;
 
  private:
    mutable Entity entity_;
  };
 
 
 
  template< int codim, class GridImp >
  inline AlbertaGridEntityPointer< codim, GridImp >
  ::AlbertaGridEntityPointer ()
  {}
 
 
  template< int codim, class GridImp >
  inline AlbertaGridEntityPointer< codim, GridImp >
  ::AlbertaGridEntityPointer ( const GridImp &grid,
                               const ElementInfo &elementInfo,
                               int subEntity )
    : entity_( EntityImp( grid, elementInfo, subEntity ) )
  {}
 
 
  template<int codim, class GridImp >
  inline AlbertaGridEntityPointer< codim, GridImp >
  ::AlbertaGridEntityPointer ( const GridImp &grid )
    : entity_( EntityImp( grid ) )
  {}
 
 
  template< int codim, class GridImp >
  inline AlbertaGridEntityPointer< codim, GridImp >
  ::AlbertaGridEntityPointer ( const EntityImp &entity )
    : entity_( entity )
  {}
 
 
#if 0
  template<int codim, class GridImp >
  inline AlbertaGridEntityPointer< codim, GridImp >::~AlbertaGridEntityPointer ()
  {}
#endif
 
 
  template<int codim, class GridImp >
  inline bool
  AlbertaGridEntityPointer< codim, GridImp >::equals ( const This &other ) const
  {
    return entityImp().equals( other.entityImp() );
  }
 
 
  template<int codim, class GridImp >
  inline typename AlbertaGridEntityPointer< codim, GridImp >::Entity &
  AlbertaGridEntityPointer< codim, GridImp >::dereference () const
  {
    return entity_;
  }
 
 
  template< int codim, class GridImp >
  inline int AlbertaGridEntityPointer< codim, GridImp >::level () const
  {
    return entityImp().level();
  }
 
 
  template< int codim, class GridImp >
  inline typename AlbertaGridEntityPointer< codim, GridImp >::EntityImp &
  AlbertaGridEntityPointer< codim, GridImp >::entityImp ()
  {
    return GridImp::getRealImplementation( entity_ );
  }
 
 
  template< int codim, class GridImp >
  inline const typename AlbertaGridEntityPointer< codim, GridImp >::EntityImp &
  AlbertaGridEntityPointer< codim, GridImp >::entityImp () const
  {
    return GridImp::getRealImplementation( entity_ );
  }
 
 
  template< int codim, class GridImp >
  inline const GridImp &AlbertaGridEntityPointer< codim, GridImp >::grid () const
  {
    return entityImp().grid();
  }
 
}
 
#endif // #if HAVE_ALBERTA
 
#endif // #ifndef DUNE_ALBERTA_ENTITYPOINTER_HH