@Override
public void reduce(
PactString key, Iterator<PactString> tuples, Collector<PactNull, PactString> out) {
boolean rank_tuple_found = false;
boolean doc_tuple_found = false;
PactString rank_tuple = new PactString();
while (tuples.hasNext()) {
PactString tuple = tuples.next();
if (tuple.toString().split(Delimiter).length == 3) {
rank_tuple_found = true;
rank_tuple.setValue(tuple.getValue());
} else if (tuple.toString().split(Delimiter).length == 2) {
doc_tuple_found = true;
}
}
if (rank_tuple_found && doc_tuple_found) {
// emit the rank tuple
out.collect(PactNull.getInstance(), rank_tuple);
}
}
