EventCutFlowHistAlg.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/

 
 
#ifndef ASG_ANALYSIS_ALGORITHMS__EVENT_CUT_FLOW_HIST_ALG_H
#define ASG_ANALYSIS_ALGORITHMS__EVENT_CUT_FLOW_HIST_ALG_H
 
#include <AnaAlgorithm/AnaAlgorithm.h>
#include <AsgTools/PropertyWrapper.h>
#include <SelectionHelpers/ISelectionNameSvc.h>
#include <SelectionHelpers/SysReadSelectionHandle.h>
#include <SystematicsHandles/SysReadHandle.h>
#include <SystematicsHandles/SysListHandle.h>
#include <xAODEventInfo/EventInfo.h>
#include <AsgTools/PropertyWrapper.h>
 
namespace CP
{
 
  class EventCutFlowHistAlg final : public EL::AnaAlgorithm
  {
  public:
    using EL::AnaAlgorithm::AnaAlgorithm;
    StatusCode initialize () override;
    StatusCode execute (const EventContext& ctx) override;
 

  private:
    SysListHandle m_systematicsList {this};

  private:
    SysReadHandle<xAOD::EventInfo> m_eventInfoHandle {
      this, "eventInfo", "EventInfo", "the EventInfo container to run on"};

  private:
    SysReadSelectionHandle m_preselection {
      this, "preselection", "", "the preselection to apply"};

  private:
    Gaudi::Property<std::string> m_histPattern {this, "histPattern", "cutflow_%SYS%", "the pattern for histogram names"};

  private:
    ServiceHandle<ISelectionNameSvc> m_selectionNameSvc {"SelectionNameSvc", "EventCutFlowHistAlg"};

  private:
    Gaudi::Property<std::string> m_histTitle {this, "histTitle", "event cut flow", "title for the created histograms"};

  private:
    SysReadSelectionHandleArray m_selections {
      this, "selections", {}, "the inputs to the event cutflow"};

  private:
    unsigned m_allCutsNum = 0;

  private:
    std::unordered_map<CP::SystematicSet,TH1*> m_hist;

  private:
    std::vector<std::string> m_labels;
  };
}
 
#endif