egammaGenParticleAssociationTool.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
 
/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id$
#ifndef EGAMMAD3PDMAKER_EGAMMAGENPARTICLEASSOCIATIONTOOL_H
#define EGAMMAD3PDMAKER_EGAMMAGENPARTICLEASSOCIATIONTOOL_H
 
 
#include "D3PDMakerUtils/SingleAssociationTool.h"
#include "MCTruthClassifier/IMCTruthClassifier.h"
#include "xAODEgamma/Egamma.h"
#include "xAODEgamma/Electron.h"
#include "xAODEgamma/Photon.h"
#include "GaudiKernel/ToolHandle.h"
 
 
namespace D3PD {
 
 
class egammaGenParticleAssociationTool
  : public SingleAssociationTool<xAOD::Egamma, xAOD::TruthParticle>
{
public:
  typedef SingleAssociationTool<xAOD::Egamma, xAOD::TruthParticle> Base;
 
 
  egammaGenParticleAssociationTool (const std::string& type,
                                      const std::string& name,
                                      const IInterface* parent);
 
 
  StatusCode initialize();
 
 
  StatusCode book ();
 
 
  virtual const xAOD::TruthParticle* get (const xAOD::Egamma& p);
 
 
private:
  ToolHandle<IMCTruthClassifier> m_classifier;
 
  std::string m_drvar;
 
  float* m_dr;
};
 
 
} // namespace D3PD
 
 
 
#endif // not EGAMMAD3PDMAKER_EGAMMAGENPARTICLEASSOCIATIONTOOL_H