HITrackParticleThinningTool.h

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/*
  Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
*/

// HITrackParticleThinningTool.h, (c) ATLAS Detector software
 
#ifndef DERIVATIONFRAMEWORK_HITRACKPARTICLETHINNINGTOOL_H
#define DERIVATIONFRAMEWORK_HITRACKPARTICLETHINNINGTOOL_H
 
 
#include<string>
#include<atomic>
 
// Gaudi & Athena basics
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ServiceHandle.h"
#include "xAODTracking/TrackParticleContainer.h"
#include "StoreGate/ThinningHandleKey.h"
 
// DerivationFramework includes
#include "DerivationFrameworkInterfaces/IThinningTool.h"
#include "AsgTools/ToolHandle.h"
#include "InDetTrackSelectionTool/IInDetTrackSelectionTool.h"
 
namespace DerivationFramework {
 
  class HITrackParticleThinningTool : public extends<AthAlgTool, IThinningTool> {
    
  public: 
    // Constructor with parameters
    HITrackParticleThinningTool( const std::string& t, const std::string& n, const IInterface* p );
    
    // Destructor
    ~HITrackParticleThinningTool();
    
    // Athena algtool's Hooks
    StatusCode initialize() override;
    StatusCode finalize() override;
    
    // Check that the current event passes this filter 
    virtual StatusCode doThinning(const EventContext& ctx) const override;
 
  private:
    StringProperty m_streamName
    { this, "StreamName", "", "Name of the stream being thinned" };
    SG::ThinningHandleKey<xAOD::TrackParticleContainer> m_inDetSGKey
    { this, "InDetTrackParticlesKey", "InDetTrackParticles", "" };
 
    std::string m_vertex_key;
    std::string m_vertex_scheme;
    ToolHandle< InDet::IInDetTrackSelectionTool > m_trkSelTool; 
    
    mutable std::atomic<unsigned int> m_ntot;
    mutable std::atomic<unsigned int> m_npass;
  }; 
  
}
 
#endif