dqutils::CoolRpc Node1 dqutils::CoolRpc + coolDbInstance() + coolFolderInstance() + coolDbFolder() + setSince() + setUntil() + printIOV() + setIOV() + setIOV() + createSpecData() + createPayloadData() and 13 more... Node2 Application Node2->Node1 Node3 TObject Node3->Node1 Node4 IDatabasePtr Node4->Node1 -m_coolDb Node5 IFolderPtr Node5->Node1 -m_coolFolder Node6 ValidityKey Node6->Node1 -m_since -m_until