org.apache.lucene.search

Class LeafSimScorer

java.lang.Object

org.apache.lucene.search.LeafSimScorer

public final class LeafSimScorer
extends java.lang.Object

Similarity.SimScorer on a specific LeafReader.

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and 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 Detail

scorer

private final Similarity.SimScorer scorer

norms

private final NumericDocValues norms

Constructor Detail

LeafSimScorer

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

Sole constructor: Score documents of reader with scorer.

Throws:

java.io.IOException

Method Detail

getSimScorer

public Similarity.SimScorer getSimScorer()

Return the wrapped Similarity.SimScorer.

getNormValue

private long getNormValue(int doc)
                   throws java.io.IOException

Throws:

java.io.IOException

score

public float score(int doc,
                   float freq)
            throws java.io.IOException

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

Throws:

java.io.IOException

See Also:

Similarity.SimScorer.score(float, long)

explain

public Explanation explain(int doc,
                           Explanation freqExpl)
                    throws java.io.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:

java.io.IOException

See Also:

Similarity.SimScorer.explain(Explanation, long)