IFakeBkgTool.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef IFAKE_BKG_TOOL_H
#define IFAKE_BKG_TOOL_H
 
#include "PATInterfaces/ISystematicsTool.h"
#include "xAODBase/IParticleContainer.h"
#include "AthContainers/ConstDataVector.h"
 
#include <string>
 
class TDirectory;
class TH1;
class TH2;
class TH3;
 
namespace CP
{
 
class IFakeBkgSystDescriptor;
 
class IFakeBkgTool : virtual public CP::ISystematicsTool
{
  public:
 
    static constexpr const char* defaultSelection() { return "0!T"; }
    
    static constexpr const char* defaultProcess() { return ">=1F[T]"; }
 
    virtual StatusCode addEvent(const xAOD::IParticleContainer& particles, float extraWeight = 1.f) = 0;
    
    virtual StatusCode addEvent(const ConstDataVector<xAOD::IParticleContainer>& particles, float extraWeight = 1.f) = 0;
    
    virtual StatusCode getTotalYield(float& yield, float& statErrorUp, float& statErrorDown) = 0;
 
    virtual StatusCode register1DHistogram(TH1* h1, const float *val) = 0;
    
    virtual StatusCode register2DHistogram(TH2* h2, const float *xval, const float *yval) = 0;
 
    virtual StatusCode register3DHistogram(TH3* h3, const float *xval, const float *yval, const float *zval) = 0;
 
    virtual StatusCode saveProgress(TDirectory* dir) = 0;
    
    virtual const IFakeBkgSystDescriptor& getSystDescriptor() const = 0;
 
};
 
}
 
#endif