MatchingBkgVertexPositioner.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef BEAMEFFECTS_MATCHINGBKGVERTEXPOSITIONER_H
#define BEAMEFFECTS_MATCHINGBKGVERTEXPOSITIONER_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "HepMC_Interfaces/ILorentzVectorGenerator.h"
#include "StoreGate/ReadHandleKey.h"
#include "xAODTracking/VertexContainer.h"
#include "GeneratorObjects/McEventCollection.h"
 
// STL includes
#include <string>
 
namespace Simulation {

 
class MatchingBkgVertexPositioner
    : public extends<AthAlgTool, ILorentzVectorGenerator> {
 
 public:
  MatchingBkgVertexPositioner(const std::string &t, const std::string &n,
                            const IInterface *p);
  virtual ~MatchingBkgVertexPositioner() = default;
 
  StatusCode initialize() override final;
 
  CLHEP::HepLorentzVector *generate(
      const EventContext &ctx) const override final;
 
 private:
  SG::ReadHandleKey<xAOD::VertexContainer> m_vertexContainerKey{
      this, "PrimaryVertexContainerName", ""};
  SG::ReadHandleKey<McEventCollection> m_mcEventKey{
      this, "McEventCollectionName", "", "Use MC collection (typically Bkg_TruthEvent) as source of vertex position"};
};
 
}  // namespace Simulation
 
#endif