jpountz commented on code in PR #14294:
URL: https://github.com/apache/lucene/pull/14294#discussion_r1971606728
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lucene/core/src/java/org/apache/lucene/search/ScorerUtil.java:
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@@ -113,22 +116,21 @@ static Scorable likelyTermScorer(Scorable scorable) {
/**
* Optimize {@link Bits} representing the set of accepted documents for the
case when it is likely
- * implemented via a {@link FixedBitSet}. This helps make calls to {@link
Bits#get(int)}
- * inlinable, which in-turn helps speed up query evaluation. This is
especially helpful as
- * inlining will sometimes enable auto-vectorizing shifts and masks that are
done in {@link
- * FixedBitSet#get(int)}.
+ * implemented as live docs. This helps make calls to {@link Bits#get(int)}
inlinable, which
+ * in-turn helps speed up query evaluation. This is especially helpful as
inlining will sometimes
+ * enable auto-vectorizing shifts and masks that are done in {@link
FixedBitSet#get(int)}.
*/
- static Bits likelyFixedBitSet(Bits acceptDocs) {
- if (acceptDocs instanceof FixedBitSet) {
+ static Bits likelyLiveDocs(Bits acceptDocs) {
+ if (acceptDocs == null) {
+ return acceptDocs;
+ } else if (acceptDocs.getClass() == DEFAULT_ACCEPT_DOCS_CLASS) {
return acceptDocs;
- } else if (acceptDocs != null) {
- return new FilterBits(acceptDocs);
} else {
- return null;
+ return new FilterBits(acceptDocs);
}
}
- private static class FilterBits implements Bits {
+ static class FilterBits implements Bits {
Review Comment:
This is because I needed it in the test, which I had failed to check in. I
have now checked it in, but your comment made me want to avoid making this
class pkg-private, so I refactored the test. This class is now private again.
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