@Override
public void map(GenericRecord in, AvroCollector<Pair<Utf8, Long>> collector, Reporter reporter)
throws IOException {
Pair<Utf8, Long> p = new Pair<Utf8, Long>(PAIR_SCHEMA);
Utf8 shape = (Utf8) in.get("shape");
if (shape != null) {
p.set(shape, 1L);
collector.collect(p);
}
}
