IOVDbTestMDTEleMap Node1 IOVDbTestMDTEleMap - m_runNumber - m_eventNumber - m_timeStamp + IOVDbTestMDTEleMap() + ~IOVDbTestMDTEleMap() + runNumber() + eventNumber() + timeStamp() + name() + set() + set() Node2 std::string Node2->Node1 -m_name Node3 std::basic_string< char > Node3->Node2