TrackReaderSpec.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_TPC_TRACKREADER
#define O2_TPC_TRACKREADER
 
#include "TFile.h"
#include "TTree.h"
 
#include "Framework/DataProcessorSpec.h"
#include "Framework/Task.h"
#include "Headers/DataHeader.h"
#include "DataFormatsTPC/TrackTPC.h"
#include "SimulationDataFormat/MCCompLabel.h"
#include "SimulationDataFormat/MCTruthContainer.h"
 
using namespace o2::framework;
 
namespace o2
{
namespace tpc
{
 
class TrackReader : public Task
{
 public:
  TrackReader(bool useMC = true);
  ~TrackReader() override { delete mCluRefVecInp; }
  void init(InitContext& ic) final;
  void run(ProcessingContext& pc) final;
 
 private:
  void accumulate(int from, int n);
  void connectTree(const std::string& filename);
 
  std::vector<o2::tpc::TrackTPC>*mTracksInp = nullptr, mTracksOut;
  std::vector<o2::tpc::TPCClRefElem>*mCluRefVecInp = nullptr, mCluRefVecOut;
  std::vector<o2::MCCompLabel>*mMCTruthInp = nullptr, mMCTruthOut;
 
  std::unique_ptr<TFile> mFile;
  std::unique_ptr<TTree> mTree;
 
  bool mUseMC = true;         
  bool mSkipClusRefs = false; 
 
  std::string mInputFileName = "tpctracks.root";
  std::string mTrackTreeName = "tpcrec";
  std::string mTrackBranchName = "TPCTracks";
  std::string mClusRefBranchName = "ClusRefs";
  std::string mTrackMCTruthBranchName = "TPCTracksMCTruth";
};
 
framework::DataProcessorSpec getTPCTrackReaderSpec(bool useMC = true);
 
} // namespace tpc
} // namespace o2
 
#endif /* O2_TPC_TRACKREADER */