ViewContainerThinning.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
// ViewContainerThinning.h 
// Header file for class ViewContainerThinning
// Author: P-A Delsart
#ifndef DERIVATIONFRAMEWORKJETETMISS_VIEWCONTAINERTHINNING_H
#define DERIVATIONFRAMEWORKJETETMISS_VIEWCONTAINERTHINNING_H 1
 
// STL includes
#include <string>
 
// FrameWork includes
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ServiceHandle.h"
 
// DerivationFrameworkInterfaces includes
#include "DerivationFrameworkInterfaces/IThinningTool.h"
#include "xAODCaloEvent/CaloClusterContainer.h"
#include "xAODTracking/TrackParticleContainer.h"
#include "xAODTruth/TruthParticleContainer.h"
#include "StoreGate/ThinningHandleKey.h"
#include "StoreGate/ReadHandleKey.h"
 
 
namespace DerivationFramework {
 
  class ViewContainerThinning
    :             public extends<AthAlgTool, IThinningTool>
  { 

    // Public methods: 
  public: 
    using base_class::base_class;
 
    // Athena algtool's Hooks
    virtual StatusCode initialize() override;
    virtual StatusCode finalize() override;
    virtual StatusCode doThinning(const EventContext& ctx) const override;
 
  protected: 
 
    template <class T>
    StatusCode doThinningT (const EventContext& ctx,
                            const SG::ThinningHandleKey<T>& key,
                            const SG::ReadHandleKey<T>& viewKey) const;
 
    StringProperty m_streamName
      { this, "StreamName", "", "Name of the stream being thinned" };
 
    SG::ThinningHandleKey<xAOD::TrackParticleContainer> m_trackParticleKey
      { this, "TrackParticleKey", "", "" };
    SG::ThinningHandleKey<xAOD::CaloClusterContainer> m_caloClusterKey
      { this, "CaloClusterKey", "", "" };
    SG::ThinningHandleKey<xAOD::TruthParticleContainer> m_truthParticleKey
      { this, "TruthParticleKey", "", "" };
 
    SG::ReadHandleKey<xAOD::TrackParticleContainer> m_trackParticleViewKey
      { this, "TrackParticleViewKey", "", "" };
    SG::ReadHandleKey<xAOD::CaloClusterContainer> m_caloClusterViewKey
      { this, "CaloClusterViewKey", "", "" };
    SG::ReadHandleKey<xAOD::TruthParticleContainer> m_truthParticleViewKey
      { this, "TruthParticleViewKey", "", "" };
  }; 
 
}
 
#endif //> !DERIVATIONFRAMEWORKJETETMISS_VIEWCONTAINERTHINNING_H