@Override
public void collect(int doc, long owningBucketOrdinal) throws IOException {
assert owningBucketOrdinal == 0;
final LongValues values = valuesSource.longValues();
final int valuesCount = values.setDocument(doc);
long previousKey = Long.MIN_VALUE;
for (int i = 0; i < valuesCount; ++i) {
long value = values.nextValue();
long key = rounding.roundKey(value);
assert key >= previousKey;
if (key == previousKey) {
continue;
}
long bucketOrd = bucketOrds.add(key);
if (bucketOrd < 0) { // already seen
bucketOrd = -1 - bucketOrd;
}
collectBucket(doc, bucketOrd);
previousKey = key;
}
}
@Override
public void setNextReader(AtomicReaderContext reader) {
values = valuesSource.longValues();
}