dqutils::StatusFlagCommentCOOL Node1 dqutils::StatusFlagCommentCOOL + createSpec() + createPayload() + StatusFlagCommentCOOL() + StatusFlagCommentCOOL() + StatusFlagCommentCOOL() + ~StatusFlagCommentCOOL() + insert() + insert() Node2 dqutils::StatusFlagCOOLBase # m_since # m_until # m_coolDb # m_coolFolder + coolDbInstance() + coolFolderInstance() + setSince() + setUntil() + printIOV() + setIOV() + setIOV() + flush() + StatusFlagCOOLBase() + StatusFlagCOOLBase() and 8 more... # insert_helper() # Initialize() Node2->Node1 Node3 Application Node3->Node2 Node4 TObject Node4->Node2