dqm_algorithms::OccupancyHoleFinder Node1 dqm_algorithms::Occupancy HoleFinder + OccupancyHoleFinder() + ~OccupancyHoleFinder() + clone() + execute() + printDescription() + getMedian() + getChamberName() + getMDTChamberName() + getMDTChamberNameByCrate() Node2 Algorithm Node2->Node1 Node3 std::string Node3->Node1 -m_name Node4 std::basic_string< char > Node4->Node3