//-*-c++-*-
/**
 Authors: David Auber, Patrick Mary, Morgan Mathiaut
 from the LaBRI Visualization Team
 Email : auber@tulip-software.org
 Last modification : 22/01/2009 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by  
 the Free Software Foundation; either version 2 of the License, or     
 (at your option) any later version.
*/

#ifndef _METRICALGO_H
#define _METRICALGO_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "tulip/Types.h"
#include "tulip/PropertyAlgorithm.h"

namespace tlp {

class PropertyContext;
class DoubleProperty;

/** \addtogroup plugins */ 
/*@{*/
/// Interface for metric plug-ins
class TLP_SCOPE DoubleAlgorithm:public PropertyAlgorithm { 
  ///
  friend class DoubleProperty;
public:
  /** This metric is the one associated to the algorithm,
      The data should be store in it*/
  DoubleProperty *doubleResult;

protected:
  ///
  DoubleAlgorithm (const PropertyContext  &context);
  ///
  virtual ~DoubleAlgorithm();
};
/*@}*/

}
#endif