TrackParametersAtPV.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef DERIVATIONFRAMEWORK_TRACKPARAMETERSATPV_H
#define DERIVATIONFRAMEWORK_TRACKPARAMETERSATPV_H
 
#include<string>
 
// Gaudi & Athena basics
#include "AthenaBaseComps/AthAlgTool.h"
#include "xAODTracking/TrackParticleContainer.h"
#include "xAODTracking/VertexContainer.h"
#include <vector>
 
#include <StoreGate/ReadHandleKey.h>
#include <StoreGate/WriteHandleKey.h>
#include <StoreGate/WriteDecorHandleKey.h>
 
// DerivationFramework includes
#include "DerivationFrameworkInterfaces/IAugmentationTool.h"
 
namespace DerivationFramework {

  class TrackParametersAtPV : public extends<AthAlgTool, IAugmentationTool> {
 
  public:
 
    using base_class::base_class;
 
    // Athena algtool's Hooks
    virtual StatusCode  initialize() override final;

    virtual StatusCode addBranches(const EventContext& ctx) const override final;
 
  private:
    SG::ReadHandleKey<xAOD::TrackParticleContainer> m_collTrackKey
      { this, "TrackParticleContainerName", "InDetTrackParticles", ""};
    SG::ReadHandleKey<xAOD::VertexContainer>        m_collVertexKey
      { this, "VertexContainerName", "PrimaryVertices", ""};
 
    SG::WriteDecorHandleKey<xAOD::TrackParticleContainer> m_trackZ0PVDecoKey
      { this, "Z0SGEntryName", m_collTrackKey, "DFCommonInDetTrackZ0AtPV"};
 
  };
 
}
 
#endif