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

#include <fpa/Functors/BaseVertexFunction.h>

namespace fpa
{
  namespace Functors
  {
    /**
     */
    template< class _TVertex, class _TValue >
    class VertexFunction
      : public fpa::Functors::BaseVertexFunction< _TVertex >
    {
    public:
      typedef _TVertex TVertex;
      typedef _TValue  TValue;
      typedef fpa::Functors::BaseVertexFunction< TVertex > Superclass;
      typedef VertexFunction                               Self;
      typedef itk::SmartPointer< Self >                    Pointer;
      typedef itk::SmartPointer< const Self >              ConstPointer;

    public:
      itkTypeMacro(
        fpa::Functors::VertexFunction, fpa::Functors::BaseVertexFunction
        );

    public:
      virtual TValue Evaluate(
        const TVertex& vertex, const TVertex& parent
        ) const = 0;

    protected:
      VertexFunction( )
        : Superclass( )
        {
        }

      virtual ~VertexFunction( )
        {
        }

    private:
      // Purposely not implemented.
      VertexFunction( const Self& other );
      Self& operator=( const Self& other );
    };

  } // ecapseman

} // ecapseman

#endif // __fpa__Functors__VertexFunction__h__
// eof - $RCSfile$