CKFFunctors.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2017 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Oliver Frost, Nils Braun                                 *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/utilities/FunctorTag.h>
 
namespace Belle2 {
  struct SeedGetter {
    explicit operator TrackFindingCDC::FunctorTag();
 
    template<class T>
    auto operator()(const T& t) const
    {
      return t.getSeed();
    }
  };
 
  struct NumberOfHitsGetter {
    explicit operator TrackFindingCDC::FunctorTag();
 
    template<class T>
    auto operator()(const T& t) const
    {
      return t->getHits().size();
    }
  };
 
  struct GetArcLength {
    explicit operator TrackFindingCDC::FunctorTag();
 
    template<class T, class SFINAE = decltype(&T::getArcLength)>
    double operator()(const T& t) const
    {
      return t.getArcLength();
    }
  };
}