org.apache.lucene.search

Class ConstantScoreQuery.ConstantScoreScorer

java.lang.Object

org.apache.lucene.search.DocIdSetIterator

org.apache.lucene.search.Scorer

org.apache.lucene.search.FilterScorer

org.apache.lucene.search.ConstantScoreQuery.ConstantScoreScorer

Enclosing class:

ConstantScoreQuery

protected class ConstantScoreQuery.ConstantScoreScorer
extends FilterScorer

Nested Class Summary

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

Scorer.ChildScorer

Field Summary

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

in

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

weight

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

NO_MORE_DOCS

Constructor Summary

Constructors

Constructor and Description
ConstantScoreQuery.ConstantScoreScorer(Scorer wrapped, float score)

Method Summary

Methods

Modifier and Type	Method and Description
int	freq() Returns the freq of this Scorer on the current document
Collection<Scorer.ChildScorer>	getChildren() Returns child sub-scorers
float	score() Returns the score of the current document matching the query.

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

advance, asTwoPhaseIterator, cost, docID, nextDoc

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

getWeight

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

all, empty, slowAdvance

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantScoreQuery.ConstantScoreScorer

public ConstantScoreQuery.ConstantScoreScorer(Scorer wrapped,
                                      float score)

Method Detail

freq

public int freq()
         throws IOException

Description copied from class: Scorer

Returns the freq of this Scorer on the current document

Overrides:

freq in class FilterScorer

Throws:

IOException

score

public float score()
            throws IOException

Description copied from class: Scorer

Returns the score of the current document matching the query. Initially invalid, until DocIdSetIterator.nextDoc() or DocIdSetIterator.advance(int) is called the first time, or when called from within LeafCollector.collect(int).

Overrides:

score in class FilterScorer

Throws:

IOException

getChildren

public Collection<Scorer.ChildScorer> getChildren()

Description copied from class: Scorer

Returns child sub-scorers

Overrides:

getChildren in class Scorer