CKFToSVDSeedFindlet.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2017 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors:  Nils Braun                                              *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/findlets/base/Findlet.h>
#include <tracking/ckf/svd/entities/CKFToSVDResult.h>
#include <tracking/ckf/svd/entities/CKFToSVDState.h>
#include <tracking/trackFindingCDC/utilities/WeightedRelation.h>
 
#include <tracking/ckf/general/findlets/TrackLoader.h>
#include <tracking/ckf/general/findlets/StateCreatorWithReversal.dcl.h>
#include <tracking/ckf/general/findlets/TreeSearcher.dcl.h>
#include <tracking/trackFindingCDC/collectors/selectors/BestMatchSelector.h>
#include <tracking/ckf/svd/findlets/SVDStateRejecter.h>
#include <tracking/ckf/svd/findlets/SpacePointLoader.h>
#include <tracking/ckf/svd/findlets/RelationFromSVDTracksCreator.h>
#include <tracking/ckf/svd/findlets/RecoTrackRelator.h>
#include <tracking/ckf/svd/findlets/RelationApplier.h>
 
namespace Belle2 {
  class RecoTrack;
  class SpacePoint;
 
  class ModuleParamList;
 
  class CKFToSVDSeedFindlet : public TrackFindingCDC::Findlet<> {
    using Super = TrackFindingCDC::Findlet<>;
 
  public:
    CKFToSVDSeedFindlet();
 
    ~CKFToSVDSeedFindlet();
 
    void exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix) override;
 
    void apply() override;
 
    void beginEvent() override;
 
  private:
    // Parameters
    unsigned int m_param_minimalHitRequirement = 2;
 
    // Findlets
    TrackLoader m_dataHandler;
    SpacePointLoader m_hitsLoader;
    StateCreatorWithReversal<CKFToSVDState> m_stateCreatorFromTracks;
    StateCreator<const SpacePoint, CKFToSVDState> m_stateCreatorFromHits;
    RelationFromSVDTracksCreator m_relationCreator;
    TreeSearcher<CKFToSVDState, SVDStateRejecter, CKFToSVDResult> m_treeSearchFindlet;
    RecoTrackRelator m_recoTrackRelator;
    TrackFindingCDC::BestMatchSelector<const RecoTrack, const RecoTrack> m_bestMatchSelector;
    RelationApplier m_relationApplier;
 
    // Object pools
    std::vector<RecoTrack*> m_cdcRecoTrackVector;
    std::vector<const SpacePoint*> m_spacePointVector;
    std::vector<CKFToSVDState> m_seedStates;
    std::vector<CKFToSVDState> m_states;
    std::vector<TrackFindingCDC::WeightedRelation<CKFToSVDState>> m_relations;
    std::vector<CKFToSVDResult> m_results;
    std::vector<TrackFindingCDC::WeightedRelation<const RecoTrack, const RecoTrack>> m_relationsCDCToSVD;
  };
}