dqm_algorithms::CTP_AllBinsAreEmptyExceptZero Node1 dqm_algorithms::CTP _AllBinsAreEmptyExceptZero - m_name + CTP_AllBinsAreEmptyExceptZero() + ~CTP_AllBinsAreEmptyExceptZero() + clone() + execute() + printDescription() Node2 Algorithm Node2->Node1