BaseMeasurementCreatorFromHit.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFitting/measurementCreator/creators/BaseMeasurementCreator.h>
#include <tracking/dataobjects/RecoHitInformation.h>
 
#include <genfit/MeasurementFactory.h>
 
#include <framework/gearbox/Const.h>
#include <vector>
 
namespace genfit {
  class AbsMeasurement;
}
 
namespace Belle2 {
  class RecoTrack;

  template <class HitType, Const::EDetector detector>
  class BaseMeasurementCreatorFromHit : public BaseMeasurementCreator {
  public:
    explicit BaseMeasurementCreatorFromHit(const genfit::MeasurementFactory<genfit::AbsMeasurement>& measurementFactory);

    virtual ~BaseMeasurementCreatorFromHit() { }

    virtual std::vector<genfit::TrackPoint*> createMeasurementPoints(HitType* hit, RecoTrack& recoTrack,
        const RecoHitInformation& recoHitInformation) const = 0;
 
  protected:
    genfit::AbsMeasurement* createCoordinateMeasurement(HitType* hit, const RecoHitInformation& recoHitInformation) const;

    genfit::TrackPoint* createTrackPointWithRecoHitInformation(genfit::AbsMeasurement* coordinateMeasurement,
                                                               RecoTrack& recoTrack,
                                                               const RecoHitInformation& recoHitInformation) const;
 
  private:
    const genfit::MeasurementFactory<genfit::AbsMeasurement>& m_measurementFactory;

    std::vector<genfit::TrackPoint*> createMeasurementPoints(RecoTrack&) const override final
    {
      return {};
    }
  };

  using CDCBaseMeasurementCreator = BaseMeasurementCreatorFromHit<RecoHitInformation::UsedCDCHit, Const::CDC>;
  using SVDBaseMeasurementCreator = BaseMeasurementCreatorFromHit<RecoHitInformation::UsedSVDHit, Const::SVD>;
  using PXDBaseMeasurementCreator = BaseMeasurementCreatorFromHit<RecoHitInformation::UsedPXDHit, Const::PXD>;
  using BKLMBaseMeasurementCreator = BaseMeasurementCreatorFromHit<RecoHitInformation::UsedBKLMHit, Const::BKLM>;
  using EKLMBaseMeasurementCreator = BaseMeasurementCreatorFromHit<RecoHitInformation::UsedEKLMHit, Const::EKLM>;
 
  // Silence Doxygen which is complaining that "no matching class member found for"
  // But there should be a better way that I just don't know of / find

  template<>
  genfit::AbsMeasurement*
  CDCBaseMeasurementCreator::createCoordinateMeasurement(RecoHitInformation::UsedCDCHit* cdcHit,
                                                         const RecoHitInformation& recoHitInformation) const;

}