SessionTool Node1 SessionTool - m_catalog - m_ageLimit - m_registry - m_transactionType - m_technologies + SessionTool() + ~SessionTool() + SessionTool() + operator=() + setupFC() + readObject() + registerForWrite() + registry() + disconnectAll() + start() and 9 more... Node2 ISessionTool   + setupFC() + disconnectAll() + start() + commit() + commitAndHold() + openMode() + databaseHandle() + readObject() + registerForWrite() + microSessionManager() + getStorageSvc() + closeSession() + ~ISessionTool() Node2->Node1 Node3 AthAlgTool   + AthAlgTool() + ~AthAlgTool() - AthAlgTool() - AthAlgTool() - operator=() Node3->Node2 Node4 AthCommonDataStore < AthCommonMsg< AlgTool > > - m_evtStore - m_detStore - m_vhka - m_varHandleArraysDeclared + AthCommonDataStore() + evtStore() + detStore() + sysInitialize() + sysStart() + inputHandles() + outputHandles() + declareProperty() + updateVHKA() # renounceArray() # renounce() # extraDeps_update_handler() - declareGaudiProperty() Node4->Node3 Node5 AthCommonMsg< AlgTool >   + msg() + msgLvl() Node5->Node4 Node6 AlgTool     Node6->Node5