DiTauTruthMatchingTool.h

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// Dear emacs, this is -*- c++ -*-
 
 
#ifndef  TAUANALYSISTOOLS_DITAUTRUTHMATCHINGTOOL_H
#define  TAUANALYSISTOOLS_DITAUTRUTHMATCHINGTOOL_H
 
 
// Local include(s):
#include "TauAnalysisTools/IDiTauTruthMatchingTool.h"
#include "TauAnalysisTools/BuildTruthTaus.h"
#include "xAODBase/IParticle.h"
#include "CxxUtils/CachedValue.h"
#include "AsgTools/PropertyWrapper.h"
 
namespace TauAnalysisTools
{
 
class DiTauTruthMatchingTool
  : public virtual TauAnalysisTools::BuildTruthTaus
  , public virtual TauAnalysisTools::IDiTauTruthMatchingTool
{
  ASG_TOOL_CLASS2( DiTauTruthMatchingTool,
                   TauAnalysisTools::IBuildTruthTaus,
                   TauAnalysisTools::IDiTauTruthMatchingTool )
 
public:                         // Interface functions
 
  DiTauTruthMatchingTool( const std::string& name );
 
  virtual ~DiTauTruthMatchingTool();
 
  // initialize the tool
  virtual StatusCode initialize();
 
  virtual void getTruth(const xAOD::DiTauJet& xDiTau);
 
  virtual void getTruth(const std::vector<const xAOD::DiTauJet*>& vDiTaus);
 
private:                        // private helper functions
 
  StatusCode findTruthTau(const xAOD::DiTauJet& xDiTau);
  StatusCode checkTruthMatch (const xAOD::DiTauJet& xDiTau, const xAOD::TruthParticleContainer& xTauContainer) const;
  StatusCode truthMatch (const TLorentzVector& vSubjetTLV,
                         const xAOD::TruthParticleContainer& xTruthTauContainer, 
                         const xAOD::TruthParticle* &xTruthMatch,
                         TruthMatchedParticleType &eTruthMatchedParticleType) const;
  ElementLink<xAOD::TruthParticleContainer> checkTruthLepton(const xAOD::IParticle* pLepton) const;
 
private:                        // steering variables
 
  Gaudi::Property<double> m_dMaxDeltaR{this, "MaxDeltaR", 0.2}; 
 
  CxxUtils::CachedValue<bool> m_bIsTruthMatchedAvailable;
  CxxUtils::CachedValue<bool> m_bIsTruthParticleLinkAvailable;
 
private:                        // private helper variables
 
  SG::ConstAccessor<double> m_accPtVis;
  SG::ConstAccessor<double> m_accEtaVis;
  SG::ConstAccessor<double> m_accPhiVis;
  SG::ConstAccessor<double> m_accMVis;
}; // class DiTauTruthMatchingTool
 
}
#endif // TAUANALYSISTOOLS_DITAUTRUTHMATCHINGTOOL_H