// check for duplicate code
private static List<Tuple<NodeId>> convert(List<Triple> triples, NodeTable nodeTable) {
return triples
.stream()
.map(
t ->
Tuple.createTuple(
nodeTable.getAllocateNodeId(t.getSubject()),
nodeTable.getAllocateNodeId(t.getPredicate()),
nodeTable.getAllocateNodeId(t.getObject())))
.collect(Collectors.toList());
}
private static void convert(
List<Triple> triples, List<Tuple<NodeId>> tuples, NodeTable nodeTable) {
// Slightly faster. But larger batches?
for (Triple t : triples) {
NodeId nid_s = nodeTable.getAllocateNodeId(t.getSubject());
NodeId nid_p = nodeTable.getAllocateNodeId(t.getPredicate());
NodeId nid_o = nodeTable.getAllocateNodeId(t.getObject());
Tuple<NodeId> x = Tuple.createTuple(nid_s, nid_p, nid_o);
tuples.add(x);
}
// triples.stream().map(t->
// Tuple.createTuple
// (nodeTable.getAllocateNodeId(t.getSubject()),
// nodeTable.getAllocateNodeId(t.getPredicate()),
// nodeTable.getAllocateNodeId(t.getObject())))
// .collect(Collectors.toCollection(()->tuples)) ;
}