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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.common.lucene;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.search.Collector;
import org.apache.lucene.search.LeafCollector;
import org.apache.lucene.search.Scorable;
import org.apache.lucene.search.ScoreCachingWrappingScorer;
import org.apache.lucene.search.ScoreMode;
import org.apache.lucene.search.SimpleCollector;
import java.io.IOException;
public class MinimumScoreCollector extends SimpleCollector {
private final Collector collector;
private final float minimumScore;
private Scorable scorer;
private LeafCollector leafCollector;
public MinimumScoreCollector(Collector collector, float minimumScore) {
this.collector = collector;
this.minimumScore = minimumScore;
}
@Override
public void setScorer(Scorable scorer) throws IOException {
if ((scorer instanceof ScoreCachingWrappingScorer) == false) {
scorer = new ScoreCachingWrappingScorer(scorer);
}
this.scorer = scorer;
leafCollector.setScorer(scorer);
}
@Override
public void collect(int doc) throws IOException {
if (scorer.score() >= minimumScore) {
leafCollector.collect(doc);
}
}
@Override
public void doSetNextReader(LeafReaderContext context) throws IOException {
leafCollector = collector.getLeafCollector(context);
}
@Override
public ScoreMode scoreMode() {
return collector.scoreMode() == ScoreMode.TOP_SCORES ? ScoreMode.TOP_SCORES : ScoreMode.COMPLETE;
}
}