Package org.apache.lucene.search

Class FilterScorable

java.lang.Object

org.apache.lucene.search.Scorable

org.apache.lucene.search.FilterScorable

public class FilterScorable
extends Scorable

Filter a Scorable, intercepting methods and optionally changing their return values

The default implementation simply passes all calls to its delegate, with the exception of Scorable.setMinCompetitiveScore(float) which defaults to a no-op.

Nested Class Summary

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

Scorable.ChildScorable

Field Summary

Fields

Modifier and Type	Field	Description
protected final Scorable	in

Constructor Summary

Constructors

Constructor	Description
FilterScorable(Scorable in)	Filter a scorer

Method Summary

Modifier and Type	Method	Description
int	docID()	Returns the doc ID that is currently being scored.
Collection<Scorable.ChildScorable>	getChildren()	Returns child sub-scorers positioned on the current document
float	score()	Returns the score of the current document matching the query.

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

setMinCompetitiveScore, smoothingScore

Methods inherited from class java.lang.Object

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

Field Details

in

protected final Scorable in

Constructor Details

FilterScorable

public FilterScorable(Scorable in)

Filter a scorer

Parameters:

in - the scorer to filter

Method Details

score

public float score()
            throws IOException

Description copied from class: Scorable

Returns the score of the current document matching the query.

Specified by:

score in class Scorable

Throws:

IOException

docID

public int docID()

Description copied from class: Scorable

Returns the doc ID that is currently being scored.

Specified by:

docID in class Scorable

getChildren

public Collection<Scorable.ChildScorable> getChildren()
                                               throws IOException

Description copied from class: Scorable

Returns child sub-scorers positioned on the current document

Overrides:

getChildren in class Scorable

Throws:

IOException