Module org.apache.lucene.core

Package org.apache.lucene.search

Class LeafSimScorer

java.lang.Object

org.apache.lucene.search.LeafSimScorer

public final class LeafSimScorer
extends Object

Similarity.SimScorer on a specific LeafReader.

Field Summary

Fields

Modifier and Type	Field	Description
private final NumericDocValues	norms
private final Similarity.SimScorer	scorer

Constructor Summary

Constructors

Constructor	Description
LeafSimScorer(Similarity.SimScorer scorer, LeafReader reader, String field, boolean needsScores)	Sole constructor: Score documents of reader with scorer.

Method Summary

Modifier and Type	Method	Description
Explanation	explain(int doc, Explanation freqExpl)	Explain the score for the provided document assuming the given term document frequency.
private long	getNormValue(int doc)
Similarity.SimScorer	getSimScorer()	Return the wrapped Similarity.SimScorer.
float	score(int doc, float freq)	Score the provided document assuming the given term document frequency.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

scorer

private final Similarity.SimScorer scorer

norms

private final NumericDocValues norms

Constructor Details

LeafSimScorer

public LeafSimScorer(Similarity.SimScorer scorer,
 LeafReader reader,
 String field,
 boolean needsScores)
              throws IOException

Sole constructor: Score documents of reader with scorer.

Throws:

IOException

Method Details

getSimScorer

public Similarity.SimScorer getSimScorer()

Return the wrapped Similarity.SimScorer.

getNormValue

private long getNormValue(int doc)
                   throws IOException

Throws:

IOException

score

public float score(int doc,
 float freq)
            throws IOException

Score the provided document assuming the given term document frequency. This method must be called on non-decreasing sequences of doc ids.

Throws:

IOException

See Also:

• Similarity.SimScorer.score(float, long)

explain

public Explanation explain(int doc,
 Explanation freqExpl)
                    throws IOException

Explain the score for the provided document assuming the given term document frequency. This method must be called on non-decreasing sequences of doc ids.

Throws:

IOException

See Also:

• Similarity.SimScorer.explain(Explanation, long)