/** Find all matching tuples - a slot of NodeId.NodeIdAny (or null) means match any. * Input pattern in natural order, not index order. */ @Override public final Iterator<Tuple<NodeId>> find(Tuple<NodeId> pattern) { if ( Check ) { if ( tupleLength != pattern.len() ) throw new TDBException(String.format("Mismatch: tuple length %d / index for length %d", pattern.len(), tupleLength)) ; } // null to NodeId.NodIdAny ?? return performFind(pattern) ; }