xAODXtoVVDecayFilterExtended.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef GENERATORFILTERS_XAODXTOVVDECAYFILTEREXTENDED_H
#define GENERATORFILTERS_XAODXTOVVDECAYFILTEREXTENDED_H
 
#include "GeneratorModules/GenFilter.h"
 
#include "xAODTruth/TruthEvent.h"
#include "xAODTruth/TruthEventContainer.h"
#include "xAODTruth/TruthParticle.h"
 
class xAODXtoVVDecayFilterExtended : public GenFilter {
public:
 
  xAODXtoVVDecayFilterExtended(const std::string& name, ISvcLocator* pSvcLocator);
  virtual StatusCode filterInitialize();
  virtual StatusCode filterFinalize();
  virtual StatusCode filterEvent();
 
private:
 
  int m_PDGGrandParent;
  int m_PDGParent;
  int m_StatusParent;
  std::vector<int> m_PDGChild1;
  std::vector<int> m_PDGChild2;
 
  int m_nHtoVV;
  int m_nGoodHtoVV;
 
  void FindAncestor(const xAOD::TruthVertex* searchvertex,
                    int targetPDGID, bool& okPDGChild1, bool& okPDGChild2);
  const xAOD::TruthParticle* CheckGrandparent(const xAOD::TruthParticle* pitr, int &);
  bool RunHistory(const xAOD::TruthParticle* pitr);
};
 
#endif