private QueryIterator variableSubject(
Binding binding, Node s, Node score, Node literal, StrMatch match, ExecutionContext execCxt) {
ListMultimap<String, TextHit> results =
query(match.getProperty(), match.getQueryString(), match.getLimit(), execCxt);
Collection<TextHit> r = results.values();
return resultsToQueryIterator(binding, s, score, literal, r, execCxt);
}
private QueryIterator concreteSubject(
Binding binding, Node s, Node score, Node literal, StrMatch match, ExecutionContext execCxt) {
if (!s.isURI()) {
log.warn("Subject not a URI: " + s);
return IterLib.noResults(execCxt);
}
String qs = match.getQueryString();
ListMultimap<String, TextHit> x =
query(match.getProperty(), match.getQueryString(), -1, execCxt);
if (x == null) // null return value - empty result
return IterLib.noResults(execCxt);
List<TextHit> r = x.get(s.getURI());
return resultsToQueryIterator(binding, s, score, literal, r, execCxt);
}