defaultgridpartentity.hh

Go to the documentation of this file.

#ifndef DUNE_FEM_GRIDPART_COMMON_DEFAULTGRIDPARTENTITY_HH
#define DUNE_FEM_GRIDPART_COMMON_DEFAULTGRIDPARTENTITY_HH
 
#include <type_traits>
 
#include <dune/common/exceptions.hh>
 
#include <dune/grid/common/entity.hh>
#include <dune/grid/common/gridenums.hh>
 
namespace Dune
{
 
  namespace Fem
  {
 
    // DefaultGridPartEntity
    // ---------------------
 
    template< int codim, int dim, class GridFamily >
    class DefaultGridPartEntity
    {
    protected:
      typedef typename std::remove_const< GridFamily >::type::Traits Traits;
 
    public:
      static const int codimension = codim;
      static const int dimension = dim;
      static const int mydimension = dimension - codimension;
 
      int level () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
    };
 
 
 
    // DefaultGridPartEntity for codimension 0
    // ---------------------------------------
 
    template< int dim, class GridFamily >
    class DefaultGridPartEntity< 0, dim, GridFamily >
    {
    protected:
      typedef typename std::remove_const< GridFamily >::type::Traits Traits;
 
    public:
      static const int codimension = 0;
      static const int dimension = dim;
      static const int mydimension = dimension - codimension;
 
      typedef typename Traits::template Codim< codimension >::LocalGeometry LocalGeometry;
      typedef typename Traits::template Codim< codimension >::Entity Entity;
 
      typedef typename Traits::HierarchicIterator HierarchicIterator;
 
      int level () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      bool isLeaf () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      Entity father () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      bool hasFather () const
      {
        // it should be possible to check if there is a 'father' even if
        // the entitiy only comes from a grid view/part
        return false;
        // DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      const LocalGeometry &geometryInFather () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      HierarchicIterator hbegin ( int maxLevel ) const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      HierarchicIterator hend ( int maxLevel ) const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      bool isRegular () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      bool isNew () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
 
      bool mightVanish () const
      {
        DUNE_THROW( InvalidStateException, "Trying to access hierarchy information from a grid part." );
      }
    };
 
  } // namespace Fem
 
} // namespace Dune
 
#endif // #ifndef DUNE_FEM_GRIDPART_COMMON_DEFAULTGRIDPARTENTITY_HH