#ifndef __fpa__Base__Dijkstra__h__
#define __fpa__Base__Dijkstra__h__

#include <fpa/Base/PriorityQueueAlgorithm.h>

namespace fpa
{
  namespace Base
  {
    /**
     */
    template< class _TSuperclass, class _TMST >
    class Dijkstra
      : public fpa::Base::PriorityQueueAlgorithm< _TSuperclass >
    {
    public:
      typedef Dijkstra                                          Self;
      typedef fpa::Base::PriorityQueueAlgorithm< _TSuperclass > Superclass;
      typedef itk::SmartPointer< Self >                         Pointer;
      typedef itk::SmartPointer< const Self >                   ConstPointer;

      typedef _TMST TMST;
      typedef typename Superclass::TOutput TOutput;
      typedef typename Superclass::TVertex TVertex;

    protected:
      typedef typename Superclass::_TQueueNode _TQueueNode;

    public:
      itkTypeMacro( Dijkstra, Algorithm );

    public:
      _TMST* GetMinimumSpanningTree( );
      const _TMST* GetMinimumSpanningTree( ) const;

    protected:
      Dijkstra( );
      virtual ~Dijkstra( );

      virtual void _AfterGenerateData( ) override;

      virtual void _UpdateResult( const _TQueueNode& n ) override;
      virtual bool _UpdateValue(
        _TQueueNode& v, const _TQueueNode& p
        ) override;

    private:
      // Purposely not defined
      Dijkstra( const Self& other );
      Self& operator=( const Self& other );

    protected:
      unsigned long m_MSTIndex;
    };

  } // ecapseman

} // ecapseman

#ifndef ITK_MANUAL_INSTANTIATION
#  include <fpa/Base/Dijkstra.hxx>
#endif // ITK_MANUAL_INSTANTIATION

#endif // __fpa__Base__Dijkstra__h__

// eof - $RCSfile$