/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/CalibrationDataInterface/CalibrationDataInterface/ICalibrationDataInterfaceTool.h

// ICalibrationDataInterfaceTool.h, (c) ATLAS Detector software
#ifndef IANALYSISCALIBRATIONDATAINTERFACETOOL_H
#define IANALYSISCALIBRATIONDATAINTERFACETOOL_H

#include "GaudiKernel/IAlgTool.h"
#include <string>

class Jet;

namespace Analysis 
{

  static const InterfaceID IID_ICalibrationDataInterfaceTool("Analysis::ICalibrationDataInterfaceTool", 1, 0);

  class ICalibrationDataInterfaceTool : virtual public IAlgTool {
  public:
    static const InterfaceID& interfaceID() {
      return IID_ICalibrationDataInterfaceTool;
    }

    enum Uncertainty { None, Total, Statistical, Systematic };

    // declarations of the interface-defining member functions

    virtual std::pair<double, double> getEfficiency (const Jet& jet, const std::string& label,
                             const std::string& OP, Uncertainty unc = None) const = 0;

    virtual std::pair<double, double> getMCEfficiency (const Jet& jet, const std::string& label,
                               const std::string& OP, Uncertainty unc = None) const = 0;

    virtual std::pair<double, double> getScaleFactor (const Jet& jet, const std::string& label,
                              const std::string& OP, Uncertainty unc = None) const = 0;

  };

} // end of namespace

#endif 

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