HistogramFactory.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef AthenaMonitoringKernel_HistogramFiller_HistogramFactory_h
#define AthenaMonitoringKernel_HistogramFiller_HistogramFactory_h
 
#include "TH1.h"
#include "TEfficiency.h"
 
#include "GaudiKernel/ServiceHandle.h"
#include "GaudiKernel/ITHistSvc.h"
 
#include "AthenaMonitoringKernel/HistogramDef.h"
 
#include "HistogramException.h"
 
#include <mutex>
 
namespace Monitored {
  class HistogramFactory {
  public:
    HistogramFactory(const ServiceHandle<ITHistSvc>& histSvc, const std::string& groupName);
    virtual ~HistogramFactory() {}

    virtual TNamed* create(const HistogramDef& def);

    std::string getFullName(const HistogramDef& def) const;

    virtual void remove(const HistogramDef& def);
 
    static std::mutex& globalROOTMutex() { return s_histDirMutex; }
 
  private:
    template<class H, class HBASE, typename... Types> 
    HBASE* create(const HistogramDef& def, Types&&... hargs);
    template<class H> 
    TH1* create1D(const HistogramDef& def);
    template<class H> 
    TH1* create1DProfile(const HistogramDef& def);
    template<class H> 
    TH2* create2D(const HistogramDef& def);
    template<class H> 
    TH2* create2DProfile(const HistogramDef& def);
    TEfficiency* createEfficiency(const HistogramDef& def);
    TTree* createTree(const HistogramDef& def);

    static void setOpts(TH1* hist, const HistogramDef& def);

    static void setLabels(TH1* hist, const HistogramDef& def);

    static void setLabels(TAxis* axis, const std::vector<std::string>& labels);
 
    ServiceHandle<ITHistSvc> m_histSvc;
    std::string m_streamName; 
    std::string m_groupName;  
 
    bool m_deleteOnRemove{true};  
    mutable std::mutex m_createLock;
    inline static std::mutex s_histDirMutex;
  };
}
 
#endif /* AthenaMonitoringKernel_HistogramFiller_HistogramFactory_h */