VP1Prioritiser Node1 VP1Prioritiser - m_d + VP1Prioritiser() + ~VP1Prioritiser() + beginTiming_Refresh() + elapsedTiming_Refresh() + endTiming_Refresh() + nextErasedActiveSystemBy Priority() + getSystemsToEraseByPriority() + estimateRemainingCalcTime() + visibleChannelsChanged() + channelCreated() + channelUncreated() - setupSysItr() Node2 QObject Node2->Node1