org.apache.lucene.search

Class DisjunctionSumScorer

java.lang.Object

org.apache.lucene.search.Scorer

org.apache.lucene.search.DisjunctionScorer

org.apache.lucene.search.DisjunctionSumScorer

final class DisjunctionSumScorer
extends DisjunctionScorer

A Scorer for OR like queries, counterpart of ConjunctionScorer.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.Scorer

Scorer.ChildScorer

Field Summary

Fields

Modifier and Type	Field and Description
private float[]	coord

Fields inherited from class org.apache.lucene.search.Scorer

weight

Constructor Summary

Constructors

Constructor and Description
DisjunctionSumScorer(Weight weight, java.util.List<Scorer> subScorers, float[] coord, boolean needsScores) Construct a DisjunctionScorer.

Method Summary

Modifier and Type	Method and Description
protected float	score(DisiWrapper topList) Compute the score for the given linked list of scorers.

Methods inherited from class org.apache.lucene.search.DisjunctionScorer

docID, freq, getChildren, getSubMatches, iterator, score, twoPhaseIterator

Methods inherited from class org.apache.lucene.search.Scorer

getWeight

Methods inherited from class java.lang.Object

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

Field Detail

coord

private final float[] coord

Constructor Detail

DisjunctionSumScorer

DisjunctionSumScorer(Weight weight,
                     java.util.List<Scorer> subScorers,
                     float[] coord,
                     boolean needsScores)

Construct a DisjunctionScorer.

Parameters:

weight - The weight to be used.

subScorers - Array of at least two subscorers.

coord - Table of coordination factors

Method Detail

score

protected float score(DisiWrapper topList)
               throws java.io.IOException

Description copied from class: DisjunctionScorer

Compute the score for the given linked list of scorers.

Specified by:

score in class DisjunctionScorer

Throws:

java.io.IOException