CP::SystematicsCache< CalibData > Node1 CP::SystematicsCache < CalibData > - m_affectingSystematics - m_calc - ATLAS_THREAD_SAFE - m_calcMutex + SystematicsCache() + initialize() + affectingSystematics() + isAffectedBySystematic() + get() + add() + add() Node2 asg::AsgMessagingForward - m_msg + AsgMessagingForward() + msgLvl() + msg() + msg() Node2->Node1