pool::IDbDomain Node1 pool::IDbDomain + ~IDbDomain() + existsDbase() + setOption() + getOption() Node2 pool::RootDomain # m_defCompression # m_defCompressionAlg # m_defSplitLevel # m_defAutoSave # m_defBufferSize # m_branchOffsetTabLen + RootDomain() + ~RootDomain() + existsDbase() + setOption() + getOption() Node1->Node2