TrackMatcher.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef O2_MUON_TRACKMATCHER_H_
#define O2_MUON_TRACKMATCHER_H_
 
#include <vector>
 
#include <gsl/span>
 
#include "CommonDataFormat/InteractionRecord.h"
#include "DataFormatsMCH/ROFRecord.h"
#include "DataFormatsMCH/TrackMCH.h"
#include "DataFormatsMID/ROFRecord.h"
#include "DataFormatsMID/Track.h"
#include "ReconstructionDataFormats/TrackMCHMID.h"
 
namespace o2
{
namespace muon
{
 
class TrackMatcher
{
  using TrackMCHMID = o2::dataformats::TrackMCHMID;
 
 public:
  TrackMatcher() = default;
  ~TrackMatcher() = default;
 
  TrackMatcher(const TrackMatcher&) = delete;
  TrackMatcher& operator=(const TrackMatcher&) = delete;
  TrackMatcher(TrackMatcher&&) = delete;
  TrackMatcher& operator=(TrackMatcher&&) = delete;
 
  void init();
  void match(gsl::span<const mch::ROFRecord>& mchROFs, gsl::span<const mch::TrackMCH>& mchTracks,
             gsl::span<const mid::ROFRecord>& midROFs, gsl::span<const mid::Track>& midTracks);
 
  const std::vector<TrackMCHMID>& getMuons() const { return mMuons; }
 
 private:
  double match(const mch::TrackMCH& mchTrack, const mid::Track& midTrack);
 
  double mMaxChi2 = 0.;              
  std::vector<TrackMCHMID> mMuons{}; 
};
 
} // namespace muon
} // namespace o2
 
#endif // O2_MUON_TRACKMATCHER_H_