TrackMeasurementThinning.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/

// TrackMeasurementThinning.h, (c) ATLAS Detector software
 
#ifndef DERIVATIONFRAMEWORK_TRACKMEASUREMENTTHINNING_H
#define DERIVATIONFRAMEWORK_TRACKMEASUREMENTTHINNING_H
 
#include <string>
#include <atomic>
 
// Gaudi & Athena basics
#include "StoreGate/ThinningHandleKey.h"
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ServiceHandle.h"
 
// DerivationFramework includes
#include "xAODTracking/TrackMeasurementValidationContainer.h"
#include "DerivationFrameworkInterfaces/IThinningTool.h"
 
#include "ExpressionEvaluation/ExpressionParserUser.h"
 
namespace DerivationFramework {

  class TrackMeasurementThinning : public extends<ExpressionParserUser<AthAlgTool>, IThinningTool> {
    
  public: 
    TrackMeasurementThinning( const std::string& t, const std::string& n, const IInterface* p );
    
    virtual ~TrackMeasurementThinning();
    
    // Athena algtool's Hooks
    virtual StatusCode  initialize() override;
    virtual StatusCode  finalize() override;
    
    virtual StatusCode doThinning(const EventContext& ctx) const override;
 
  private:
    Gaudi::Property<std::string> m_selectionString
      { this, "SelectionString", "", ""};
 
    mutable std::atomic<unsigned int> m_ntot {};
    mutable std::atomic<unsigned int> m_npass {};
    StringProperty m_streamName
      { this, "StreamName", "", "Name of the stream being thinned" };
 
    SG::ThinningHandleKey<xAOD::TrackMeasurementValidationContainer> m_SGKey
    { this, "TrackMeasurementValidationKey", "PixelClusters", "" };
  }; 
  
}
 
 
#endif