MergeHijingParsTool Node1 MergeHijingParsTool - m_pMergeSvc - m_outputObjectKey - m_outputObject - m_firstSubEvent + MergeHijingParsTool() + initialize() + prepareEvent() + mergeEvent() + processBunchXing() + toProcess() + processAllSubEvents() Node2 PileUpToolBase * m_firstXing * m_lastXing * m_vetoPileUpTruthLinks * m_filterPassed * PileUpToolBase() * initialize() * toProcess() * processAllSubEvents() * processBunchXing() * filterPassed() * resetFilter() * processAllSubEvents() Node2->Node1 Node3 extends< AthAlgTool, IPileUpTool > Node3->Node2