private static SortedNumericDocValues sparseSingles(
final NumericDocValues deltas,
final long minValue,
final long missingValue,
final int maxDoc) {
final NumericDocValues values =
new NumericDocValues() {
@Override
public long get(int docID) {
final long delta = deltas.get(docID);
if (delta == missingValue) {
return 0;
}
return minValue + delta;
}
};
final Bits docsWithFields =
new Bits() {
@Override
public boolean get(int index) {
return deltas.get(index) != missingValue;
}
@Override
public int length() {
return maxDoc;
}
};
return DocValues.singleton(values, docsWithFields);
}
private static SortedNumericDocValues withOrdinals(
Ordinals ordinals, final LongValues values, int maxDoc) {
final RandomAccessOrds ords = ordinals.ordinals();
final SortedDocValues singleOrds = DocValues.unwrapSingleton(ords);
if (singleOrds != null) {
final NumericDocValues singleValues =
new NumericDocValues() {
@Override
public long get(int docID) {
final int ord = singleOrds.getOrd(docID);
if (ord >= 0) {
return values.get(singleOrds.getOrd(docID));
} else {
return 0;
}
}
};
return DocValues.singleton(singleValues, DocValues.docsWithValue(ords, maxDoc));
} else {
return new SortedNumericDocValues() {
@Override
public long valueAt(int index) {
return values.get(ords.ordAt(index));
}
@Override
public void setDocument(int doc) {
ords.setDocument(doc);
}
@Override
public int count() {
return ords.cardinality();
}
};
}
}
private static SortedNumericDocValues pagedSingles(
final PackedLongValues values, final Bits docsWithValue) {
return DocValues.singleton(
new NumericDocValues() {
// we need to wrap since NumericDocValues must return 0 when a doc has no value
@Override
public long get(int docID) {
if (docsWithValue == null || docsWithValue.get(docID)) {
return values.get(docID);
} else {
return 0;
}
}
},
docsWithValue);
}
private static SortedNumericDocValues singles(
final NumericDocValues deltas, final long minValue) {
final NumericDocValues values;
if (minValue == 0) {
values = deltas;
} else {
values =
new NumericDocValues() {
@Override
public long get(int docID) {
return minValue + deltas.get(docID);
}
};
}
return DocValues.singleton(values, null);
}