/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.28/PMGTools/PMGTools/IPMGSherpaVjetsSysTool.h

// Dear emacs, this is -*- c++ -*-
#ifndef PMGTOOLS_IPMGSHERPAVJETSSYSTOOL_H
#define PMGTOOLS_IPMGSHERPAVJETSSYSTOOL_H

// Infrastructure include(s):
#include "AsgTools/IAsgTool.h"

// Interface include(s):
//#include "PATInterfaces/IWeightTool.h"

// Local include(s):
#include "PATInterfaces/CorrectionCode.h"


namespace PMGTools {
  
  // Define parametrization type (i.e. reference process)
  enum SysParType {
    None = 0,
    Znunu,
    Zll,
    Wlnu,
    GammaJets
  };
    
  class IPMGSherpaVjetsSysTool : public virtual asg::IAsgTool { 
    
    // Declare the interface that the class provides
    ASG_TOOL_INTERFACE( PMGTools::IPMGSherpaVjetsSysTool )
    
    public:
    
    virtual double getWeight(std::string sysVariation = "nom") = 0;
        
    virtual void setNjets(int njets) = 0;
    virtual void cacheDSID(bool do_it=true) = 0;
    
    virtual std::vector<std::string> getSupportedVariations(SysParType ptype) = 0;
    
    virtual unsigned int getNtruthJets() = 0;  
    
  }; // class IPMGSherpaVjetsSysTool
  
} // namespace PMGTools

#endif //> !PMGTOOLS_IPMGSHERPAVJETSSYSTOOL_H

---