org.apache.lucene.search

Class DisjunctionSumScorer

java.lang.Object

org.apache.lucene.search.Scorable

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.Scorable

Scorable.ChildScorable

Field Summary

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

weight

Constructor Summary

Constructors

Constructor and Description
DisjunctionSumScorer(Weight weight, java.util.List<Scorer> subScorers, ScoreMode scoreMode) Construct a DisjunctionScorer.

Method Summary

Modifier and Type	Method and Description
float	getMaxScore(int upTo) Return the maximum score that documents between the last target that this iterator was shallow-advanced to included and upTo included.
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, getBlockMaxApprox, getChildren, getSubMatches, iterator, score, twoPhaseIterator

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

advanceShallow, getWeight

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

setMinCompetitiveScore

Methods inherited from class java.lang.Object

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

Constructor Detail

DisjunctionSumScorer

DisjunctionSumScorer(Weight weight,
                     java.util.List<Scorer> subScorers,
                     ScoreMode scoreMode)
              throws java.io.IOException

Construct a DisjunctionScorer.

Parameters:

weight - The weight to be used.

subScorers - Array of at least two subscorers.

Throws:

java.io.IOException

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

getMaxScore

public float getMaxScore(int upTo)
                  throws java.io.IOException

Description copied from class: Scorer

Return the maximum score that documents between the last target that this iterator was shallow-advanced to included and upTo included.

Specified by:

getMaxScore in class Scorer

Throws:

java.io.IOException