MuonCalibStreamFileInputSvc Node1 MuonCalibStreamFileInputSvc - m_fileEventCounter - m_totalEventCounter - m_DumpStream - m_reader - m_EoF - m_re - m_dataLoader - m_dataBuffer - m_inputFiles - m_inputFilesIt + MuonCalibStreamFileInputSvc() + ~MuonCalibStreamFileInputSvc() + initialize() + nextEvent() + currentEvent() Node2 MuonCalibStreamInputSvc + MuonCalibStreamInputSvc() + ~MuonCalibStreamInputSvc() + nextEvent() + currentEvent() Node2->Node1 Node3 AthService - AthService() - AthService() - operator=() Node3->Node2 Node4 AthCommonMsg< Service > + msg() + msg() + msgLvl() Node4->Node3 Node5 Service Node5->Node4