// =========================================================================
// @author Leonardo Florez Valencia
// @email florez-l@javeriana.edu.co
// =========================================================================
#ifndef __fpa__Filters__Dijkstra__h__
#define __fpa__Filters__Dijkstra__h__

#include <fpa/Filters/RandomWalker.h>

namespace fpa
{
  namespace Filters
  {
    /**
     */
    template< class _TDataInterface, class _TMST >
    class Dijkstra
      : public fpa::Filters::RandomWalker< _TDataInterface >
    {
    public:
      typedef _TDataInterface TDataInterface;
      typedef _TMST TMST;
      typedef fpa::Filters::RandomWalker< TDataInterface > Superclass;
      typedef Dijkstra                                     Self;
      typedef itk::SmartPointer< Self >                    Pointer;
      typedef itk::SmartPointer< const Self >              ConstPointer;

      typedef typename Superclass::TTraits TTraits;
      fpaTraitsMacro( typename TTraits );
      typedef typename Superclass::TCost  TCost;
      typedef typename Superclass::TLabel TLabel;

      typedef typename Superclass::TScalarWeight TScalarWeight;
      typedef typename Superclass::TVertexWeight TVertexWeight;

    public:
      itkTypeMacro( fpa::Filters::Dijkstra, fpa::Filters::RandomWalker );

      fpaFilterOutputMacro( MinimumSpanningTree, TMST );

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

      virtual void _PostComputeOutputValue( TNode& n ) override;

    private:
      Dijkstra( const Self& other );
      Self& operator=( const Self& other );
    };

  } // ecapseman

} // ecapseman

#ifndef ITK_MANUAL_INSTANTIATION
#  include <fpa/Filters/Dijkstra.hxx>
#endif // ITK_MANUAL_INSTANTIATION
#endif // __fpa__Filters__Dijkstra__h__
// eof - $RCSfile$