SegmentTrackCombiner.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/trackFindingCDC/findlets/base/Findlet.h>
 
#include <tracking/trackFindingCDC/collectors/matchers/SharingHitsMatcher.h>
#include <tracking/trackFindingCDC/collectors/selectors/CutSelector.h>
#include <tracking/trackFindingCDC/collectors/selectors/FilterSelector.h>
#include <tracking/trackFindingCDC/collectors/selectors/SingleMatchSelector.h>
 
#include <tracking/trackFindingCDC/findlets/minimal/TrackNormalizer.h>
#include <tracking/trackFindingCDC/findlets/minimal/SegmentTrackAdderWithNormalization.h>
#include <tracking/trackFindingCDC/findlets/minimal/TrackRejecter.h>
 
#include <tracking/trackFindingCDC/filters/base/ChooseableFilter.dcl.h>
 
#include <tracking/trackFindingCDC/filters/segmentTrack/BaseSegmentTrackFilter.h>
#include <tracking/trackFindingCDC/filters/segmentTrack/SegmentTrackFilterFactory.h>
 
#include <tracking/trackFindingCDC/eventdata/segments/CDCSegment2D.h>
#include <tracking/trackFindingCDC/eventdata/tracks/CDCTrack.h>
 
#include <vector>
 
namespace Belle2 {
 
  namespace TrackFindingCDC {
 
    // Guard to prevent repeated instantiations
    extern template class TrackFindingCDC::Chooseable<BaseSegmentTrackFilter>;
    extern template class TrackFindingCDC::ChooseableFilter<SegmentTrackFilterFactory>;

    class SegmentTrackCombiner : public Findlet<CDCSegment2D&, CDCTrack&> {
 
    private:
      using Super = Findlet<CDCSegment2D&, CDCTrack&>;
 
    public:
      SegmentTrackCombiner();

      std::string getDescription() final;

      void beginEvent() final;

      void exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix) final;

      void apply(std::vector<CDCSegment2D>& segments,
                 std::vector<CDCTrack>& tracks) override;
 
    private:
      // Findlets
      SharingHitsMatcher<CDCTrack, CDCSegment2D> m_sharedHitsMatcher;

      CutSelector<CDCTrack, CDCSegment2D> m_selectPairsWithSharedHits;

      FilterSelector<CDCTrack, CDCSegment2D, ChooseableFilter<SegmentTrackFilterFactory>> m_chooseableSegmentTrackSelector;

      SingleMatchSelector<CDCTrack, CDCSegment2D> m_singleMatchSelector;

      SegmentTrackAdderWithNormalization m_segmentTrackAdderWithNormalization;

      TrackRejecter m_trackRejecter;

      TrackNormalizer m_trackNormalizer;

      std::vector<WeightedRelation<CDCTrack, const CDCSegment2D>> m_relations;
    };
  }
}