MuJetGhostDRMatcher.h

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/*
  Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ASSOCIATIONUTILS_MUJETGHOSTMATCHER_H
#define ASSOCIATIONUTILS_MUJETGHOSTMATCHER_H
 
// System includes
#include <memory>
 
// Infrastructure includes
#include "AsgMessaging/AsgMessaging.h"
 
// Columnar includes
#include "ColumnarCore/ColumnAccessor.h"
#include "ColumnarCore/VectorColumn.h"
#include "ColumnarTracking/TrackDef.h"
#include "ColumnarVariant/VariantDef.h"
#include "ColumnarVariant/VariantLinkColumn.h"
 
// Local includes
#include "AssociationUtils/IObjectAssociator.h"
 
namespace ORUtils
{

  class MuJetGhostDRMatcher final : public IParticleAssociator,
                              public asg::AsgMessaging
  {
 
    public:

      MuJetGhostDRMatcher(double dR, bool useRapidity=true);

      virtual StatusCode setObjectTypes (xAODType::ObjectType type1,
                                   xAODType::ObjectType type2) override;

      virtual bool objectsMatch
      (columnar::Particle1Id mu, columnar::Particle2Id jet, bool swapArgs = false) const override;
 
    private:

      std::unique_ptr<IParticleAssociator> m_drMatcher;

      using MyTrackDef = columnar::VariantContainerId<columnar::ContainerId::track0,columnar::ContainerId::track0, columnar::ContainerId::track1>;
 
      columnar::Particle1Accessor<columnar::ObjectLink<MyTrackDef>> m_muonTrkAcc {*this, "inDetTrackParticleLink"};
 
      // Ghost track list accessor
      columnar::Particle2Accessor<std::vector<columnar::LinkCastColumn<MyTrackDef,xAOD::IParticleContainer>>> m_ghostAcc {*this, "GhostTrack"};
 
  }; // class MuJetGhostDRMatcher
 
} // namespace ORUtils
 
#endif