@Override
public void flush(SegmentWriteState state, Sorter.DocMap sortMap, DocValuesConsumer dvConsumer)
throws IOException {
final int valueCount = hash.size();
final PackedLongValues ords;
final int[] sortedValues;
final int[] ordMap;
if (finalOrds == null) {
sortedValues = hash.sort();
ords = pending.build();
ordMap = new int[valueCount];
for (int ord = 0; ord < valueCount; ord++) {
ordMap[sortedValues[ord]] = ord;
}
} else {
sortedValues = finalSortedValues;
ords = finalOrds;
ordMap = finalOrdMap;
}
final int[] sorted;
if (sortMap != null) {
sorted =
sortDocValues(
state.segmentInfo.maxDoc(),
sortMap,
new BufferedSortedDocValues(
hash, valueCount, ords, sortedValues, ordMap, docsWithField.iterator()));
} else {
sorted = null;
}
dvConsumer.addSortedField(
fieldInfo,
new EmptyDocValuesProducer() {
@Override
public SortedDocValues getSorted(FieldInfo fieldInfoIn) {
if (fieldInfoIn != fieldInfo) {
throw new IllegalArgumentException("wrong fieldInfo");
}
final SortedDocValues buf =
new BufferedSortedDocValues(
hash, valueCount, ords, sortedValues, ordMap, docsWithField.iterator());
if (sorted == null) {
return buf;
}
return new SortingLeafReader.SortingSortedDocValues(buf, sorted);
}
});
}