DataReader.h

Go to the documentation of this file.

// 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 ALICEO2_TOF_DATAREADER_H
#define ALICEO2_TOF_DATAREADER_H
 
#include "TOFBase/Digit.h"
 
namespace o2
{
namespace tof
{
class DataReader
{
 
 public:
  struct StripData {
    UShort_t stripID = 0;      // strip id
    std::vector<Digit> digits; // vector of digits
 
    void clear() { digits.clear(); }
  };
 
  DataReader() = default;
  DataReader(const DataReader& cluster) = delete;
  virtual ~DataReader() = default;
 
  DataReader& operator=(const DataReader& src) = delete;
 
  virtual void init() = 0;
 
  virtual Bool_t getNextStripData(StripData& stripData) = 0;
 
  //
 protected:
  //
};
 
//_______________________________________________________________________
 
class DigitDataReader : public DataReader
{
 public:
  DigitDataReader() = default;
  void setDigitArray(const gsl::span<const o2::tof::Digit>* a)
  {
    mDigitArray = a;
    mIdx = 0;
    mLastDigit = nullptr;
  }
 
  void init() override
  {
    mIdx = 0;
    mLastDigit = nullptr;
  }
 
  Bool_t getNextStripData(StripData& stripData) override;
 
  const gsl::span<const o2::tof::Digit>* getDigitArray() const { return mDigitArray; }
 
 private:
  const gsl::span<const o2::tof::Digit>* mDigitArray = nullptr;
  const Digit* mLastDigit = nullptr;
  Int_t mIdx = 0;
};
 
//_______________________________________________________________________
 
class RawDataReader : public DataReader
{
 public:
  Bool_t getNextStripData(StripData& stripData) override;
};
 
} // namespace tof
} // namespace o2
 
#endif /* ALICEO2_TOF_DATAREADER_H */