TrackParticleMergerAlg.h

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// Dear emacs, this is -*- c++ -*-
//
// Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
//
#ifndef TRACKINGANALYSISALGORITHMS_TRACKPARTICLEMERGERALG_H
#define TRACKINGANALYSISALGORITHMS_TRACKPARTICLEMERGERALG_H
 
#include <AnaAlgorithm/AnaReentrantAlgorithm.h>
#include <xAODTracking/TrackParticleContainer.h>
#include <xAODTracking/TrackParticleAuxContainer.h>
 
#include <AsgTools/PropertyWrapper.h>
#include <AthContainers/ConstDataVector.h>
#include <AsgDataHandles/WriteHandleKey.h>
#include <AsgDataHandles/ReadHandleKeyArray.h>
#include <AsgDataHandles/ReadDecorHandleKeyArray.h>
 
namespace CP {

   class TrackParticleMergerAlg final : public EL::AnaReentrantAlgorithm {
 
   public:
      using EL::AnaReentrantAlgorithm::AnaReentrantAlgorithm;


      virtual StatusCode initialize() override final;

      virtual StatusCode execute(const EventContext& ctx) const override final;

 
   private:
      // Declare the algorithm's properties:

      SG::ReadHandleKeyArray<xAOD::TrackParticleContainer> m_inputTrackParticleLocations {
          this, "InputTrackParticleLocations", {"InDetTrackParticles", "InDetLargeD0TrackParticles"},
           "Input track collections to be merged"
      };

      SG::WriteHandleKey<xAOD::TrackParticleContainer>  m_outputTrackParticleLocationCopy {
          this, "OutputTrackParticleLocationCopy", "InDetWithLRTTrackParticles", "Output collection name"
      };
      SG::WriteHandleKey<ConstDataVector <xAOD::TrackParticleContainer> >  m_outputTrackParticleLocationView {
          this, "OutputTrackParticleLocation", "InDetWithLRTTrackParticles", "Output view collection name"
      };

      Gaudi::Property<bool>  m_createViewCollection{this, "CreateViewCollection", true};

      SG::ReadDecorHandleKeyArray<xAOD::TrackParticleContainer> m_requiredDecorations{
        this, "RequiredDecorations", {}, "Decorations that the algorithm needs to wait for"};
 

 
   }; // class TrackParticleMergerAlg
 
} // namespace CP
 
#endif // TRACKINGANALYSISALGORITHMS_TRACKPARTICLEMERGERALG_H