ValueMonitor.cxx

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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.
 
#include "CommonUtils/ValueMonitor.h"
#include "TFile.h"
#include <fairlogger/Logger.h>
#include <memory>
 
using namespace o2::utils;
 
ValueMonitor::ValueMonitor(std::string filename) : mFileName(filename) {}
 
ValueMonitor::~ValueMonitor()
{
  if (mHistos.size() > 0) {
    auto outfile = std::make_unique<TFile>(mFileName.c_str(), "RECREATE");
    // write all histos
    for (auto& h : mHistos) {
      LOG(info) << "ValueMonitor: WRITING HISTO " << h.second->GetName();
      h.second->Write();
    }
    outfile->Close();
  }
}