ALFA_DetectorTool Node1 ALFA_DetectorTool - m_Config - m_pALFADetectorFactory - m_iovSvc + ALFA_DetectorTool() + ~ALFA_DetectorTool() + create() - registerCallback() - align() Node2 GeoModelTool # m_detector + GeoModelTool() + ~GeoModelTool() + manager() + manager() + clear() + ATLAS_NOT_THREAD_SAFE() + align() Node2->Node1 Node3 extends< AthAlgTool, IGeoModelTool > Node3->Node2