CaloRingerPhotonsReader.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
// =============================================================================
#include "AthenaKernel/getMessageSvc.h"
#include "CaloRingerPhotonsReader.h"
#include "StoreGate/ReadHandle.h"
 
#include <algorithm>
 
namespace Ringer {
 
// =============================================================================
CaloRingerPhotonsReader::CaloRingerPhotonsReader(const std::string& type,
                                 const std::string& name,
                                 const ::IInterface* parent)
  : CaloRingerInputReader(type, name, parent),
    m_clRingsBuilderPhotonFctor(nullptr)
    //m_selectorAvailable(false)
{
 
  // declare interface
  declareInterface<ICaloRingerPhotonsReader>(this);
 
}
 
// =============================================================================
CaloRingerPhotonsReader::~CaloRingerPhotonsReader()
{
  if(m_clRingsBuilderPhotonFctor) delete m_clRingsBuilderPhotonFctor;
}
 
// =============================================================================
StatusCode CaloRingerPhotonsReader::initialize()
{
 
  ATH_CHECK( CaloRingerInputReader::initialize() );
 
  ATH_CHECK(m_inputPhotonContainerKey.initialize());
 
  if ( m_builderAvailable ) {
    // Initialize our fctor
    m_clRingsBuilderPhotonFctor =
      new BuildCaloRingsFctor<xAOD::PhotonContainer>(
          m_inputPhotonContainerKey.key(),
          m_crBuilder,
          Athena::getMessageSvc(),
          this);
      ATH_CHECK( m_clRingsBuilderPhotonFctor->initialize() );
  }
 
  return StatusCode::SUCCESS;
}
 
// =============================================================================
StatusCode CaloRingerPhotonsReader::finalize()
{
  return StatusCode::SUCCESS;
}
 
// =============================================================================
StatusCode CaloRingerPhotonsReader::execute()
{
 
  ATH_MSG_DEBUG("Entering " << name() << " execute.");
 
  // Retrieve photons
  SG::ReadHandle<xAOD::PhotonContainer> photons(m_inputPhotonContainerKey);
  // check is only used for serial running; remove when MT scheduler used
  if(!photons.isValid()) {
    ATH_MSG_FATAL("Failed to retrieve "<< m_inputPhotonContainerKey.key());
    return StatusCode::FAILURE;
  }
 
  if ( m_builderAvailable ) {
    ATH_CHECK( m_clRingsBuilderPhotonFctor->prepareToLoopFor(photons->size()) );
 
    // loop over our particles:
    for ( const auto *const photon : *photons ){
      m_clRingsBuilderPhotonFctor->operator()( photon );
    }
 
  }
 
 
  return StatusCode::SUCCESS;
 
}
 
} // namespace Ringer