VisualisationEventROOTSerializer.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 O2EVE_VISUALISATIONEVENTROOTSERIALIZER_H
#define O2EVE_VISUALISATIONEVENTROOTSERIALIZER_H
 
#include "EventVisualisationDataConverter/VisualisationEventSerializer.h"
#include "EventVisualisationDataConverter/VisualisationTrack.h"
#include <string>
#include <TFile.h>
#include <TNtuple.h>
 
namespace o2
{
namespace event_visualisation
{
 
class VisualisationEventROOTSerializer : public VisualisationEventSerializer
{
  static void saveInt(const char* name, int value);
  static void saveUInt64(const char* name, uint64_t value);
  static int readInt(TFile& f, const char* name);
  static uint64_t readUInt64(TFile& f, const char* name);
  static bool existUInt64(TFile& f, const char* name);
  static void save(const char* name, const std::string& value);
  static std::string readString(TFile& f, const char* name);
 
  bool readClusters(VisualisationEvent& event, TFile& f, TNtuple* xyz);
  bool readCalo(VisualisationEvent& event, TFile& f);
 
 public:
  [[nodiscard]] const std::string serializerName() const override { return std::string("VisualisationEventROOTSerializer"); }
  bool fromFile(VisualisationEvent& event, std::string fileName) override;
  void toFile(const VisualisationEvent& event, std::string fileName) override;
  ~VisualisationEventROOTSerializer() override = default;
};
 
} // namespace event_visualisation
} // namespace o2
 
#endif // O2EVE_VISUALISATIONEVENTROOTSERIALIZER_H