G4AtlasFluxRecorder Node1 G4AtlasFluxRecorder + InitializeFluxRecording() + RecordFlux() + WriteFluxInformation() * InitializeFluxRecording() * RecordFlux() * WriteFluxInformation() Node2 IFluxRecorder + ~IFluxRecorder() + InitializeFluxRecording() + RecordFlux() + WriteFluxInformation() * InitializeFluxRecording() * RecordFlux() * WriteFluxInformation() Node2->Node1