HistogramMapping.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#pragma once
 
#include <framework/pcore/EvtMessage.h>
#include <TH1.h>
 
#include <string>
#include <memory>
#include <map>
 
namespace Belle2 {
  class HistogramMapping {
  public:
    HistogramMapping& operator=(const HistogramMapping& rhs) = delete;
    HistogramMapping& operator=(HistogramMapping&& rhs) = default;
    HistogramMapping(const HistogramMapping& rhs) = delete;
    HistogramMapping(HistogramMapping&& rhs) = default;
    HistogramMapping() = default;
    explicit HistogramMapping(std::unique_ptr<Belle2::EvtMessage> msg);
 
    void operator+=(const HistogramMapping& rhs);
 
    void write() const;
    void clear();
    void printMe() const;
    std::unique_ptr<Belle2::EvtMessage> toMessage() const;
    bool empty() const;
 
  private:
    std::map<std::string, std::unique_ptr<TH1>> m_histograms;
  };
}