Geo2G4AssemblyFactory.cxx

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#include "Geo2G4AssemblyFactory.h"
#include "Geo2G4AssemblyVolume.h"
 
#include "GeoModelKernel/GeoLogVol.h"
#include "GeoModelKernel/GeoVPhysVol.h"
 
#include <iostream>
 
Geo2G4AssemblyFactory::Geo2G4AssemblyFactory()
{
}
 
Geo2G4AssemblyVolume* Geo2G4AssemblyFactory::Build(const PVConstLink& thePhys,
                                                   bool& descend)
{
  const GeoLogVol* theLog = thePhys->getLogVol();
 
  // Check if the assembly was used in GeoModel as a leaf node
  if(thePhys->getNChildVols() == 0)
    throw std::runtime_error(std::string("In GeoModel description the assembly ") + theLog->getName()
                             + std::string(" has no children!"));
 
  descend = true;
 
  // Search for the assembly in the map
  auto it = m_assemblyMap.find(&(*thePhys));
  if(it == m_assemblyMap.end())
    {
      auto pair = m_assemblyMap.emplace(&(*thePhys), std::make_unique<Geo2G4AssemblyVolume> ());
      return pair.first->second.get();
    }
  else
    {
      descend = false;
      return it->second.get();
    }
}