ElementSequence.hpp

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#ifndef ELEMENT_SEQUENCE_HPP
#define ELEMENT_SEQUENCE_HPP

#include "EntitySequence.hpp"
#include "SequenceData.hpp"
#include "moab/CN.hpp"

namespace moab
{

class ElementSequence : public EntitySequence
{
  public:
    ElementSequence( EntityHandle start, EntityID count, unsigned int nodes_per_elem, SequenceData* dat )
        : EntitySequence( start, count, dat ), nodesPerElement( nodes_per_elem )
    {
    }

    virtual ~ElementSequence() {}

    inline unsigned int nodes_per_element() const
    {
        return nodesPerElement;
    }

    virtual ErrorCode get_connectivity( EntityHandle handle, std::vector< EntityHandle >& connect,
                                        bool topological = false ) const = 0;

    virtual ErrorCode get_connectivity( EntityHandle handle, EntityHandle const*& connect, int& connect_length,
                                        bool topological = false, std::vector< EntityHandle >* storage = 0 ) const = 0;

    virtual ErrorCode set_connectivity( EntityHandle handle, EntityHandle const* connect, int connect_length ) = 0;

    inline EntityHandle const* get_connectivity_array() const;

    virtual EntityHandle* get_connectivity_array() = 0;

    inline bool has_mid_edge_nodes() const;
    inline bool has_mid_face_nodes() const;
    inline bool has_mid_volume_nodes() const;

  protected:
    ElementSequence( ElementSequence& split_from, EntityHandle here )
        : EntitySequence( split_from, here ), nodesPerElement( split_from.nodesPerElement )
    {
    }

  private:
    unsigned nodesPerElement;
};

inline EntityHandle const* ElementSequence::get_connectivity_array() const
{
    return const_cast< ElementSequence* >( this )->get_connectivity_array();
}

inline bool ElementSequence::has_mid_edge_nodes() const
{
    return CN::HasMidEdgeNodes( type(), nodes_per_element() );
}

inline bool ElementSequence::has_mid_face_nodes() const
{
    return CN::HasMidFaceNodes( type(), nodes_per_element() );
}

inline bool ElementSequence::has_mid_volume_nodes() const
{
    return CN::HasMidRegionNodes( type(), nodes_per_element() );
}

}  // namespace moab

#endif