TRT_TrackExtensionAlg.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
//  Header file for class TRT_TrackExtensionAlg
// (c) ATLAS Detector software
// Class for extension trackS reconstructed in Pxels and SCT to TRT
// Version 1.0 22/08/2005 I.Gavrilenko
 
#ifndef TRT_TrackExtensionAlg_H
#define TRT_TrackExtensionAlg_H
 
#include <string>
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "GaudiKernel/ToolHandle.h"
#include "InDetRecToolInterfaces/ITRT_TrackExtensionTool.h"
 
// Store Gate handle keys
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
 
#include "TrkTrack/TrackExtensionMap.h"
#include "TrkTrack/TrackCollection.h"
 
#include "CxxUtils/checker_macros.h"
#include <atomic>
 
namespace InDet {
 
    class TRT_TrackExtensionAlg : public AthReentrantAlgorithm {
 
        // Public methods:
  
    public:
 
        // Standard Algotithm methods
 
        TRT_TrackExtensionAlg(const std::string &name, ISvcLocator *pSvcLocator);
        virtual ~TRT_TrackExtensionAlg() {}
        StatusCode initialize();
        StatusCode execute(const EventContext& ctx) const;
        StatusCode finalize();
 
        // Print internal algorithm parameters and status
 
    protected:
        // Protected data 
 
                struct Counter_t {
                   int m_nTracks = 0 ;  // Number input  tracks
                   int m_nTracksExtended = 0;  // Number output tracks
                   Counter_t &operator += (const Counter_t &a) {
                      m_nTracks         +=a.m_nTracks;
                      m_nTracksExtended +=a.m_nTracksExtended;
                      return *this;
                   }
                };
                mutable std::mutex m_counterMutex ATLAS_THREAD_SAFE;
                mutable Counter_t  m_totalCounts  ATLAS_THREAD_SAFE;
 
        ToolHandle<ITRT_TrackExtensionTool> m_trtExtension{this, "TrackExtensionTool", "InDet::TRT_TrackExtensionTool_xk", "TRT track extension tool"};
 
        // Data handle keys
        SG::ReadHandleKey<TrackCollection> m_inputTracksKey { this, "InputTracksLocation", "SiSPSeededTracks", "Input tracks container name" };
        SG::WriteHandleKey<TrackExtensionMap> m_outputTracksKey { this, "ExtendedTracksLocation", "ExtendedTracksMapPhase", "Output tracks container name" };
 
        // Protected methods
 
        MsgStream& dumpConditions(MsgStream& out) const;
                static MsgStream& dumpEvent(MsgStream& out, const Counter_t &counter) ;
 
    };
}
#endif // TRT_TrackExtensionAlg_H