How to use

needsScores

method

in

org.apache.lucene.search.LongValuesSource

@Override
public boolean needsScores() {
 return producer.needsScores();
}

@Override
public boolean needsScores() {
 return inner.needsScores();
}

@Override
public boolean needsScores() {
 return producer.needsScores();
}

@Override
public boolean needsScores() {
 return inner.needsScores();
}

/**
 * Sole constructor.
 * @param queries Sub queries to match.
 * @param minimumNumberMatch Per-document long value that records how many queries
 *                           should match. Values that are less than 1 are treated
 *                           like <tt>1</tt>: only documents that have at least one
 *                           matching clause will be considered matches. Documents
 *                           that do not have a value for <tt>minimumNumberMatch</tt>
 *                           do not match.
 */
public CoveringQuery(Collection<Query> queries, LongValuesSource minimumNumberMatch) {
 if (queries.size() > BooleanQuery.getMaxClauseCount()) {
  throw new BooleanQuery.TooManyClauses();
 }
 if (minimumNumberMatch.needsScores()) {
  throw new IllegalArgumentException("The minimum number of matches may not depend on the score.");
 }
 this.queries = new Multiset<>();
 this.queries.addAll(queries);
 this.minimumNumberMatch = Objects.requireNonNull(minimumNumberMatch);
 this.hashCode = computeHashCode();
}