PrescalingEmulationTool.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
#ifndef HLTSEEDING_PRESCALINGEMULATIONTOOL_H
#define HLTSEEDING_PRESCALINGEMULATIONTOOL_H
 
// HLTSeeding includes
#include "HLTSeeding/IPrescalingTool.h"
 
// Framework includes
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ServiceHandle.h"
#include "xAODEventInfo/EventInfo.h"
#include "AthenaKernel/IAtRndmGenSvc.h"
#include "AthenaKernel/RNGWrapper.h"
 
// STL includes
#include <string>
 
class PrescalingEmulationTool : public extends<AthAlgTool, IPrescalingTool> {
public:
  PrescalingEmulationTool( const std::string& type,
                           const std::string& name,
                           const IInterface* parent );
 
  virtual StatusCode initialize() override;
 
  virtual StatusCode prescaleChains( const EventContext& ctx,
                                     const HLT::IDVec& initiallyActive,
                                     HLT::IDVec& remainActive,
                                     bool forExpressStream = false ) const override;
 
 private:
  PrescalingEmulationTool();
 
  Gaudi::Property<bool> m_keepUnknownChains{
    this, "KeepUnknownChains", true, "If True then chains for which prescaling information is not set are kept"};
 
  Gaudi::Property< std::vector<std::string> > m_prescalingConfig{
    this, "Prescales", {}, "The prescaling info in the form: \"chainName:PSValue\""};
 
  ATHRNG::RNGWrapper m_RNGEngines;
 
  typedef std::map<HLT::Identifier, float> PrescalingInfo;
  PrescalingInfo m_prescalingInfo;
};
 
#endif