dqm_algorithms::BasicHistoCheck Node1 dqm_algorithms::BasicHisto Check - m_name + BasicHistoCheck() + clone() + execute() + printDescription() Node3 dqm_algorithms::All _Bins_Filled + All_Bins_Filled() Node1->Node3 Node4 dqm_algorithms::Histogram _Effective_Empty + Histogram_Effective _Empty() Node1->Node4 Node5 dqm_algorithms::Histogram _Empty + Histogram_Empty() Node1->Node5 Node6 dqm_algorithms::Histogram _Not_Empty + Histogram_Not_Empty() Node1->Node6 Node7 dqm_algorithms::No _OverFlows + No_OverFlows() Node1->Node7 Node8 dqm_algorithms::No _UnderFlows + No_UnderFlows() Node1->Node8 Node2 Algorithm Node2->Node1