question: private static void updateClusterTenant ( DbClient dbClient , URI dataCenterId , URI tenantId ) { List < NamedElement > clustersUris = listChildren ( dbClient , dataCenterId , Cluster . class , "label" , "vcenterDataCenter" ) ; for ( NamedElement clusterUri : clustersUris ) { Cluster cluster = dbClient . queryObject ( Cluster . class , clusterUri . getId ( ) ) ; if ( cluster != null ) { cluster . setTenant ( tenantId ) ; dbClient . persistObject ( cluster ) ; } } }
target:  Updates the Cluster's tenant.