CaloCalibClusterDecoratorTool Node1 CaloCalibClusterDecoratorTool - m_mapIdentifierToCalibHits ReadHandleKey - m_caloClusterWriteDecorHandle KeyNLeadingTruthParticles - m_numTruthParticles - m_useCellWeights - m_storeFullTruthEnergy - m_truthAttributerTool + CaloCalibClusterDecorator Tool() + execute() + initialize() + finalize() + ~CaloCalibClusterDecorator Tool() + execute() - calculateTruthEnergies() Node2 AthAlgTool   + AthAlgTool() + ~AthAlgTool() - AthAlgTool() - AthAlgTool() - operator=() Node2->Node1 Node3 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() Node3->Node2 Node4 AthCommonMsg< AlgTool >   + msg() + msgLvl() Node4->Node3 Node5 AlgTool     Node5->Node4 Node6 CaloClusterCollectionProcessor   + DeclareInterfaceID() + execute() + execute() Node6->Node1 Node7 IAlgTool     Node7->Node6