RunNumberSelectorAlg.cxx

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/*
   Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

 
#include "EventSelectionAlgorithms/RunNumberSelectorAlg.h"
 
namespace CP {
 
  StatusCode RunNumberSelectorAlg::initialize() {
    ANA_CHECK(m_eventInfoHandle.initialize(m_systematicsList));
    ANA_CHECK(m_preselection.initialize(m_systematicsList, m_eventInfoHandle, SG::AllowEmpty));
    ANA_CHECK(m_decoration.initialize(m_systematicsList, m_eventInfoHandle));
    ANA_CHECK(m_systematicsList.initialize());
 
    m_signEnum = SignEnum::stringToOperator.at( m_sign );
 
    return StatusCode::SUCCESS;
  }
 
  StatusCode RunNumberSelectorAlg::execute(const EventContext& ctx) {
 
    static const SG::Accessor<unsigned int> acc_random("RandomRunNumber");
 
    for (const auto &sys : m_systematicsList.systematicsVector()) {
      // retrieve the EventInfo
      const xAOD::EventInfo *evtInfo = nullptr;
      ANA_CHECK(m_eventInfoHandle.retrieve(evtInfo, sys, ctx));
 
      // default-decorate EventInfo
      m_decoration.setBool(*evtInfo, 0, sys);
 
      // check the preselection
      if (m_preselection && !m_preselection.getBool(*evtInfo, sys))
        continue;
 
      // retrieve the runNumber
      unsigned int runNumber = 0;
      if (m_useRandomRunNumber) runNumber = acc_random(*evtInfo);
      else runNumber = evtInfo->runNumber();
      
      // calculate decision
      bool decision = SignEnum::checkValue(m_runNumberRef.value(), m_signEnum, runNumber);
      m_decoration.setBool(*evtInfo, decision, sys);
    }
    return StatusCode::SUCCESS;
  }
} // namespace CP