org.apache.lucene.search

Class TopFieldCollector.OneComparatorLeafCollector

java.lang.Object

org.apache.lucene.search.TopFieldCollector.OneComparatorLeafCollector

All Implemented Interfaces:

LeafCollector

Enclosing class:

TopFieldCollector

private abstract static class TopFieldCollector.OneComparatorLeafCollector
extends java.lang.Object
implements LeafCollector

Field Summary

Fields

Modifier and Type	Field and Description
(package private) LeafFieldComparator	comparator
(package private) boolean	mayNeedScoresTwice
(package private) int	reverseMul
(package private) Scorer	scorer

Constructor Summary

Constructors

Constructor and Description
OneComparatorLeafCollector(LeafFieldComparator comparator, int reverseMul, boolean mayNeedScoresTwice)

Method Summary

Modifier and Type	Method and Description
void	setScorer(Scorer scorer) Called before successive calls to LeafCollector.collect(int).

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.search.LeafCollector

collect

Field Detail

comparator

final LeafFieldComparator comparator

reverseMul

final int reverseMul

mayNeedScoresTwice

final boolean mayNeedScoresTwice

scorer

Scorer scorer

Constructor Detail

OneComparatorLeafCollector

OneComparatorLeafCollector(LeafFieldComparator comparator,
                           int reverseMul,
                           boolean mayNeedScoresTwice)

Method Detail

setScorer

public void setScorer(Scorer 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

Throws:

java.io.IOException