LArTemperatureCorrectionTool.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef LARTEMPERATURECORRECTIONTOOL_H
#define LARTEMPERATURECORRECTIONTOOL_H

 
#include <AsgMessaging/AsgMessaging.h>
#include <TFile.h>
#include <TTree.h>
 
#include <map>
#include <memory>
#include <string>
 
class LArTemperatureCorrectionTool : public asg::AsgMessaging {
 public:
  struct AllValues {
    double barrel;
    double endcapA;
    double endcapC;
  };
  LArTemperatureCorrectionTool(const std::string& filename);
  AllValues get_corrections(int run);
  double get_correction_barrel(int run) { return get_corrections(run).barrel; }
  double get_correction_endcapA(int run) {
    return get_corrections(run).endcapA;
  }
  double get_correction_endcapC(int run) {
    return get_corrections(run).endcapC;
  }
  int get_cache_size() const { return m_cache.size(); }
  int get_first_run() const { return m_first_run; }
  int get_last_run() const { return m_last_run; }
  AllValues base_temperature{};
  AllValues sensitivity_temperature{};
 
 private:
  std::unique_ptr<TFile> m_file;
  TTree* m_tree;  // raw pointer, let ROOT manage it
  AllValues search_temperature(int run);
  AllValues search_correction(int run);
  std::map<int, AllValues> m_cache;
  int m_first_run, m_last_run;
};
 
#endif