TruthParticleParentAssociationTool.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 TRUTHD3PDMAKER_TRUTHPARTICLEPARENTASSOCIATIONTOOL_H
#define TRUTHD3PDMAKER_TRUTHPARTICLEPARENTASSOCIATIONTOOL_H
 
 
#include "D3PDMakerUtils/MultiAssociationTool.h"
#include "xAODTruth/TruthParticle.h"
#include <vector>
 
 
namespace D3PD {
 
 
class TruthParticleParentAssociationTool
  : public MultiAssociationTool<xAOD::TruthParticle>
{
public:
  typedef MultiAssociationTool<xAOD::TruthParticle> Base;
 
 
  TruthParticleParentAssociationTool (const std::string& type,
                                      const std::string& name,
                                      const IInterface* parent);
 
 
  virtual StatusCode initialize();
 
 
  virtual StatusCode reset (const xAOD::TruthParticle& p);
 
 
  virtual const xAOD::TruthParticle* next();
 
 
private:
  std::vector<const xAOD::TruthParticle*> m_parents;
  
  unsigned int m_i; 
};
 
 
} // namespace D3PD
 
 
#endif // not TRUTHD3PDMAKER_TRUTHPARTICLEPARENTASSOCIATIONTOOL_H