org.apache.lucene.queries.function

Class BoostedQuery.CustomScorer

java.lang.Object

org.apache.lucene.search.Scorer

org.apache.lucene.search.FilterScorer

org.apache.lucene.queries.function.BoostedQuery.CustomScorer

Enclosing class:

BoostedQuery

private class BoostedQuery.CustomScorer
extends FilterScorer

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 LeafReaderContext	readerContext
private FunctionValues	vals
private BoostedQuery.BoostedWeight	weight

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

in

Constructor Summary

Constructors

Modifier	Constructor and Description
private	CustomScorer(LeafReaderContext readerContext, BoostedQuery.BoostedWeight w, Scorer scorer, ValueSource vs)

Method Summary

Modifier and Type	Method and Description
Explanation	explain(int doc)
java.util.Collection<Scorer.ChildScorer>	getChildren() Returns child sub-scorers positioned on the current document Note that this method should not be called on Scorers passed to LeafCollector.setScorer(Scorer), as these may be synthetic Scorers produced by BulkScorer which will throw an Exception.
float	score() Returns the score of the current document matching the query.

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

docID, freq, iterator, 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

weight

private final BoostedQuery.BoostedWeight weight

vals

private final FunctionValues vals

readerContext

private final LeafReaderContext readerContext

Constructor Detail

CustomScorer

private CustomScorer(LeafReaderContext readerContext,
                     BoostedQuery.BoostedWeight w,
                     Scorer scorer,
                     ValueSource vs)
              throws java.io.IOException

Throws:

java.io.IOException

Method Detail

score

public float score()
            throws java.io.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 on the Scorer.iterator() the first time, or when called from within LeafCollector.collect(int).

Overrides:

score in class FilterScorer

Throws:

java.io.IOException

getChildren

public java.util.Collection<Scorer.ChildScorer> getChildren()

Description copied from class: Scorer

Returns child sub-scorers positioned on the current document Note that this method should not be called on Scorers passed to LeafCollector.setScorer(Scorer), as these may be synthetic Scorers produced by BulkScorer which will throw an Exception.

Overrides:

getChildren in class Scorer

explain

public Explanation explain(int doc)
                    throws java.io.IOException

Throws:

java.io.IOException