CPVGainCalibDevice.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_CALIBRATION_CPVGAINS_CALIBRATOR_H
#define O2_CALIBRATION_CPVGAINS_CALIBRATOR_H
 
 
#include "Framework/Task.h"
#include "Framework/WorkflowSpec.h"
#include "DataFormatsCPV/CalibParams.h"
#include "CPVBase/Geometry.h"
#include "TH2.h"
#include <string>
 
using namespace o2::framework;
 
namespace o2
{
namespace cpv
{
 
class CPVGainCalibDevice : public o2::framework::Task
{
 
 public:
  explicit CPVGainCalibDevice(bool useCCDB, bool forceUpdate, std::string path) : mUseCCDB(useCCDB), mForceUpdate(forceUpdate), mPath(path) {}
  void init(o2::framework::InitContext& ic) final;
 
  void run(o2::framework::ProcessingContext& pc) final;
 
  void endOfStream(o2::framework::EndOfStreamContext& ec) final;
 
 protected:
  void sendOutput(DataAllocator& output);
  void calculateGains();
  void checkGains();
 
 private:
  static constexpr int kMinimalStatistics = 150; 
 
  bool mUseCCDB = false;     
  bool mForceUpdate = false; 
  bool mUpdateCCDB = true;   
 
  std::string mPath{"./"};                                     
  std::unique_ptr<CalibParams> mCalibParams;                   
  std::unique_ptr<TH2F> mMean;                                 
  std::array<short, o2::cpv::Geometry::kNCHANNELS> mGainRatio; 
};
 
o2::framework::DataProcessorSpec getGainCalibSpec(bool useCCDB, bool forceUpdate, std::string path);
 
} // namespace cpv
} // namespace o2
 
#endif