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Document that bulkScorer method can return null (#11897) 

Like Weight#scorer, we should warn users that Weight#bulkScorer can 
return null if the query matches no documents.
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Nhat Nguyen 2022-11-02 15:12:43 -07:00 committed by GitHub
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commit 1a5ad61b9d
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4
lucene/core/src/java/org/apache/lucene/search/Weight.java
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@ -158,7 +158,9 @@ public abstract class Weight implements SegmentCacheable {
*
* @param context the {@link org.apache.lucene.index.LeafReaderContext} for which to return the
* {@link Scorer}.
* @return a {@link BulkScorer} which scores documents and passes them to a collector.
* @return a {@link BulkScorer} which scores documents and passes them to a collector. Like {@link
* #scorer(LeafReaderContext)}, this method can return null if this query matches no
* documents.
* @throws IOException if there is a low-level I/O error
*/
public BulkScorer bulkScorer(LeafReaderContext context) throws IOException {