H1D.h

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/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
*                                                                                   *
* In applying this licence, 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.                                             *
\***********************************************************************************/
#pragma once
 
#include "Generic1D.h"
#include <AIDA/IHistogram1D.h>
#include <Gaudi/Histograming/Sink/Utils.h>
#include <GaudiKernel/DataObject.h>
#include <TH1D.h>
 
#include <nlohmann/json.hpp>
 
#include <mutex>
 
namespace Gaudi {
 
  class GAUDI_API Histogram1D : public DataObject, public Gaudi::Generic1D<AIDA::IHistogram1D, TH1D> {
  private:
    void init( const std::string& title, bool initialize_axis = true );
    void initSums();
 
  protected:
    double m_sumwx = 0;
 
  public:
    Histogram1D();
    Histogram1D( TH1D* rep );
 
    void adoptRepresentation( TObject* rep ) override;
    virtual bool setBinContents( int i, int entries, double height, double error, double centre );
    // overwrite reset
    bool reset() override;
    // free function reset
    friend void reset( Histogram1D& h ) { h.reset(); }
    friend void to_json( nlohmann::json& j, Gaudi::Histogram1D const& h ) { j = *h.m_rep.get(); }
    virtual bool setStatistics( int allEntries, double eqBinEntries, double mean, double rms );
    bool fill( double x, double weight ) override;
    bool setRms( double rms );
    void copyFromAida( const AIDA::IHistogram1D& h );
    const CLID&        clID() const override { return classID(); }
    static const CLID& classID() { return CLID_H1D; }
    StreamBuffer& serialize( StreamBuffer& s );
 
    StreamBuffer& serialize( StreamBuffer& s ) const;
 
  private:
    std::mutex m_fillSerialization;
 
  }; // end class Histogram1D
} // end namespace Gaudi