IZdcDataAccessV2 Node1 IZdcDataAccessV2 + loadTriggerTowers() + PrintTriggerTowers() Node4 ZdcDataAccessV2 - m_message - m_tool + ZdcDataAccessV2() + initialize() + loadTriggerTowers() + PrintTriggerTowers() Node1->Node4 Node2 asg::IAsgTool + ~IAsgTool() + print() Node2->Node1 Node3 IAlgTool Node3->Node2