HGTD_AnalysisAlgBase Node1 HGTD_AnalysisAlgBase + m_directory_name + HGTD_AnalysisAlgBase() + ~HGTD_AnalysisAlgBase() + initialize() + bookSubdir() + book() + bookEffSubdir() + bookEff() + fill() + fillSubdir() + fillEff() + fillEffSubDir() Node2 AthAlgorithm   + AthAlgorithm() + execute() # isReEntrant() - execute() Node2->Node1 Node3 AthCommonAlgorithm < Gaudi::Algorithm > - m_extendedExtraObjects - m_evtStore - m_detStore - m_vhka - m_varHandleArraysDeclared + AthCommonAlgorithm() + ~AthCommonAlgorithm() + sysInitialize() + isClonable() + sysExecute() + extraOutputDeps() + filterPassed() + setFilterPassed() + evtStore() + detStore() and 7 more... # renounceArray() # renounce() # extraDeps_update_handler() - declareGaudiProperty() Node3->Node2 Node4 AthCommonDataStore < AthCommonMsg< Gaudi ::Algorithm > > - m_varHandleArraysDeclared + AthCommonDataStore() + evtStore() + detStore() + sysInitialize() + sysStart() + inputHandles() + outputHandles() + declareProperty() + updateVHKA() # renounceArray() # renounce() # extraDeps_update_handler() - declareGaudiProperty() Node4->Node3 Node5 AthCommonMsg< Gaudi ::Algorithm >   + msg() + msgLvl() Node5->Node4 Node6 Gaudi::Algorithm     Node6->Node5 Node7 ServiceHandle< StoreGate Svc >     Node7->Node4 -m_detStore -m_evtStore Node8 std::vector< SG::VarHandle KeyArray * >     Node8->Node4 -m_vhka Node10 ServiceHandle< ITHistSvc >     Node10->Node1 #m_hist_svc Node11 std::map< std::string, TObject * > + keys + elements + keys + elements   Node11->Node1 -m_histos