cammiemw commented on a change in pull request #2097:
URL: https://github.com/apache/lucene-solr/pull/2097#discussion_r532905390
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File path: lucene/core/src/java/org/apache/lucene/search/IndriAndScorer.java
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@@ -0,0 +1,59 @@
+package org.apache.lucene.search;
+
+import java.io.IOException;
+import java.util.List;
+
+/** Combines scores of subscorers. If a subscorer does not contain
+ * the docId, a smoothing score is calculated for that
+ * document/subscorer combination.
+ */
+public class IndriAndScorer extends IndriDisjunctionScorer {
+
+ protected IndriAndScorer(Weight weight, List<Scorer> subScorers,
+ ScoreMode scoreMode, float boost) throws IOException {
+ super(weight, subScorers, scoreMode, boost);
+ }
+
+ @Override
+ public float score(List<Scorer> subScorers) throws IOException {
+ int docId = this.docID();
+ return scoreDoc(subScorers, docId);
+ }
+
+ @Override
+ public float smoothingScore(List<Scorer> subScorers, int docId)
+ throws IOException {
+ return scoreDoc(subScorers, docId);
+ }
+
+ private float scoreDoc(List<Scorer> subScorers, int docId)
+ throws IOException {
+ double score = 0;
+ double boostSum = 0.0;
+ for (Scorer scorer : subScorers) {
+ if (scorer instanceof IndriScorer) {
+ IndriScorer indriScorer = (IndriScorer) scorer;
+ int scorerDocId = indriScorer.docID();
+ //If the query exists in the document, score the document
+ //Otherwise, compute a smoothing score, which acts like an idf
+ //for subqueries/terms
+ if (docId == scorerDocId) {
Review comment:
Done :-)
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