org.apache.lucene.search

Class CachingCollector.ScoreCachingLeafCollector

java.lang.Object

org.apache.lucene.search.FilterLeafCollector

org.apache.lucene.search.CachingCollector.NoScoreCachingLeafCollector

org.apache.lucene.search.CachingCollector.ScoreCachingLeafCollector

All Implemented Interfaces:

LeafCollector

Enclosing class:

CachingCollector

private class CachingCollector.ScoreCachingLeafCollector
extends CachingCollector.NoScoreCachingLeafCollector

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Scorable	scorer
(package private) float[]	scores

Fields inherited from class org.apache.lucene.search.CachingCollector.NoScoreCachingLeafCollector

docCount, docs, maxDocsToCache

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

in

Constructor Summary

Constructors

Constructor and Description
ScoreCachingLeafCollector(LeafCollector in, int maxDocsToCache)

Method Summary

Modifier and Type	Method and Description
protected void	buffer(int doc)
(package private) float[]	cachedScores()
protected void	grow(int newLen)
protected void	invalidate()
void	setScorer(Scorable scorer) Called before successive calls to LeafCollector.collect(int).

Methods inherited from class org.apache.lucene.search.CachingCollector.NoScoreCachingLeafCollector

cachedDocs, collect, hasCache

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

toString

Methods inherited from class java.lang.Object

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

Field Detail

scorer

Scorable scorer

scores

float[] scores

Constructor Detail

ScoreCachingLeafCollector

ScoreCachingLeafCollector(LeafCollector in,
                          int maxDocsToCache)

Method Detail

setScorer

public void setScorer(Scorable scorer)
               throws java.io.IOException

Description copied from interface: LeafCollector

Called before successive calls to LeafCollector.collect(int). Implementations that need the score of the current document (passed-in to LeafCollector.collect(int)), should save the passed-in Scorer and call scorer.score() when needed.

Specified by:

setScorer in interface LeafCollector

Overrides:

setScorer in class FilterLeafCollector

Throws:

java.io.IOException

grow

protected void grow(int newLen)

Overrides:

grow in class CachingCollector.NoScoreCachingLeafCollector

invalidate

protected void invalidate()

Overrides:

invalidate in class CachingCollector.NoScoreCachingLeafCollector

buffer

protected void buffer(int doc)
               throws java.io.IOException

Overrides:

buffer in class CachingCollector.NoScoreCachingLeafCollector

Throws:

java.io.IOException

cachedScores

float[] cachedScores()