#ifndef __JAANET__JEVTWEIGHTFACTOR__
#define __JAANET__JEVTWEIGHTFACTOR__

#include "km3net-dataformat/offline/Evt.hh"

#include "JLang/JClonable.hh"


/**
 * \author bjung
 */

namespace JAANET {}
namespace JPP { using namespace JAANET; }

namespace JAANET {

  using JLANG::JClonable;

  
  /**
   * Low-level interface for retrieving a specifiable multiplication factor\n
   * corresponding to a given event.
   */
  struct JEvtWeightFactor :
    public JClonable<JEvtWeightFactor>
  {
    /**
     * Virtual destructor.
     */
    virtual ~JEvtWeightFactor()
    {}
    
    
    /**
     * Get multiplication factor of given event.
     *
     * \param  evt               event
     * \return                   multiplication factor
     */
    virtual double getFactor(const Evt& evt) const = 0;
 };
}

#endif