pool::IFileCatalog Node1 pool::IFileCatalog # m_mgr # m_fc + IFileCatalog() + ~IFileCatalog() + createFID() + connect() + disconnect() + connectInfo() + start() + init() + commit() + rollback() and 24 more... Node2 AthMessaging - m_msg_tls - ATLAS_THREAD_SAFE + AthMessaging() + AthMessaging() + ~AthMessaging() + msgLvl() + msg() + msg() + setLevel() - AthMessaging() - AthMessaging() - operator=() - initMessaging() Node2->Node1 Node3 std::atomic< IMessageSvc * > + ptr Node3->Node2 -m_imsg Node4 std::string Node4->Node2 -m_nm Node5 std::basic_string< char > Node5->Node4 Node6 std::atomic< MSG::Level > + ptr Node6->Node2 -m_lvl