Package org.apache.lucene.spatial.bbox

Class BBoxSimilarityValueSource

java.lang.Object

org.apache.lucene.search.DoubleValuesSource

org.apache.lucene.spatial.bbox.BBoxSimilarityValueSource

All Implemented Interfaces:

SegmentCacheable

Direct Known Subclasses:

BBoxOverlapRatioValueSource

public abstract class BBoxSimilarityValueSource
extends DoubleValuesSource

A base class for calculating a spatial relevance rank per document from a provided ShapeValuesSource returning a Rectangle per-document.

Implementers: remember to implement equals and hashCode if you have fields!

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

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

SCORES

Constructor Summary

Constructors

Constructor	Description
BBoxSimilarityValueSource(ShapeValuesSource bboxValueSource)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
Explanation	explain(LeafReaderContext ctx, int docId, Explanation scoreExplanation)
DoubleValues	getValues(LeafReaderContext readerContext, DoubleValues scores)
int	hashCode()
boolean	isCacheable(LeafReaderContext ctx)
boolean	needsScores()
DoubleValuesSource	rewrite(IndexSearcher searcher)
protected abstract double	score(org.locationtech.spatial4j.shape.Rectangle rect, AtomicReference<Explanation> exp)	Return a relevancy score.
protected abstract String	similarityDescription()	A comma-separated list of configurable items of the subclass to put into toString().
String	toString()

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

constant, fromDoubleField, fromField, fromFloatField, fromIntField, fromLongField, fromQuery, fromScorer, getSortField, toLongValuesSource

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BBoxSimilarityValueSource

public BBoxSimilarityValueSource(ShapeValuesSource bboxValueSource)

Method Detail

rewrite

public DoubleValuesSource rewrite(IndexSearcher searcher)
                           throws IOException

Specified by:

rewrite in class DoubleValuesSource

Throws:

IOException

toString

public String toString()

Specified by:

toString in class DoubleValuesSource

similarityDescription

protected abstract String similarityDescription()

A comma-separated list of configurable items of the subclass to put into toString().

getValues

public DoubleValues getValues(LeafReaderContext readerContext,
                              DoubleValues scores)
                       throws IOException

Specified by:

getValues in class DoubleValuesSource

Throws:

IOException

score

protected abstract double score(org.locationtech.spatial4j.shape.Rectangle rect,
                                AtomicReference<Explanation> exp)

Return a relevancy score. If exp is provided then diagnostic information is added.

Parameters:

rect - The indexed rectangle; not null.

exp - Optional diagnostic holder.

Returns:

a score.

equals

public boolean equals(Object o)

Specified by:

equals in class DoubleValuesSource

hashCode

public int hashCode()

Specified by:

hashCode in class DoubleValuesSource

explain

public Explanation explain(LeafReaderContext ctx,
                           int docId,
                           Explanation scoreExplanation)
                    throws IOException

Overrides:

explain in class DoubleValuesSource

Throws:

IOException

isCacheable

public boolean isCacheable(LeafReaderContext ctx)

needsScores

public boolean needsScores()

Specified by:

needsScores in class DoubleValuesSource