BridgingWireHitRelationFilter.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/trackingUtilities/filters/base/RelationFilter.dcl.h>
 
#include <string>
#include <map>
#include <array>
#include <vector>
#include <cstddef>
 
namespace Belle2 {
  class ModuleParamList;
 
  namespace CDC {
    class CDCWire;
  }
  namespace TrackingUtilities {
    class CDCWireHit;
  }
  namespace TrackFindingCDC {

    class BridgingWireHitRelationFilter : public TrackingUtilities::RelationFilter<TrackingUtilities::CDCWireHit> {
 
    private:
      using Super = TrackingUtilities::RelationFilter<TrackingUtilities::CDCWireHit>;
 
    public:
      BridgingWireHitRelationFilter();

      ~BridgingWireHitRelationFilter() override;

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

      void initialize() override;

      std::vector<TrackingUtilities::CDCWireHit*> getPossibleTos(TrackingUtilities::CDCWireHit* from,
                                                                 const std::vector<TrackingUtilities::CDCWireHit*>& wireHits) const final;

      void prepare(const std::vector<TrackingUtilities::CDCWireHit*>& wireHits);
 
    private:
      std::map<int, int> m_param_missingPrimaryNeighborThresholdMap =
      {{0, 2}, {2, 2}, {4, 2}, {6, 2}, {8, 2}, {10, 2}};

      std::array<short, 12> m_missingPrimaryNeighborThresholds {};

      std::vector<short> m_consideredSecondaryNeighbors;

      std::vector<const CDC::CDCWire*> m_preparedWires;

      TrackingUtilities::CDCWireHit* const* m_preparedWireHitsData = nullptr;

      std::size_t m_preparedWireHitsSize = 0;
    };
  }
}