/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/JetResolution/JetResolution/JERTool.h

#ifndef JETRESOLUTION_JERTOOL_H
#define JETRESOLUTION_JERTOOL_H

// ROOT includes
#include "TClass.h"
#include "TFile.h"
#include "TF1.h"
#include "TGraph.h"
#include "TGraphErrors.h"
#include "TAxis.h"

// Framework includes
#include "AsgTools/AsgMetadataTool.h"

// Local includes
#include "JetResolution/IJERTool.h"


class JERTool : public virtual IJERTool,
                public asg::AsgMetadataTool
{

    ASG_TOOL_CLASS( JERTool, IJERTool )

  public:

    JERTool(const std::string& name);

    JERTool(const JERTool&);

    JERTool& operator=(const JERTool&) = delete;

    ~JERTool();



    virtual StatusCode initialize();



    double getRelResolutionMC(const xAOD::Jet* jet);

    double getRelResolutionData(const xAOD::Jet* jet);

    double getUncertainty(const xAOD::Jet* jet,
                          JER::Uncert errType = JER::JER_NP_ALL);


  protected:

    StatusCode autoConfigure();

    StatusCode parseConfiguration();
    StatusCode loadJERInputs();

    int getEtaBin(const xAOD::Jet* jet);

  private:

    //  static const unsigned int m_nNP = 9;
    static const unsigned int m_nEtaBins = 7;
    //static const unsigned int m_nJetCol = 4;

    TAxis* m_etaAxis;

    std::string m_fileName;
    int m_jetAlgo; // JER::JetAlg
    std::string m_collectionName;
    //std::string m_simulationType;
    //bool m_useAutoConfig;

    TGraph* m_jerNP[JER::JETALG_N][m_nEtaBins][JER::JER_NP_ALL];

}; // class JERTool

#endif // JETRESOLUTION_JERTOOL_H

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