org.apache.lucene.spatial.util

Class ShapeFieldCacheDistanceValueSource

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.lucene.spatial.util.ShapeFieldCacheDistanceValueSource

public class ShapeFieldCacheDistanceValueSource
extends ValueSource

An implementation of the Lucene ValueSource that returns the spatial distance between an input point and a document's points in ShapeFieldCacheProvider. The shortest distance is returned if a document has more than one point.

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Constructor Summary

Constructors

Constructor and Description
ShapeFieldCacheDistanceValueSource(com.spatial4j.core.context.SpatialContext ctx, ShapeFieldCacheProvider<com.spatial4j.core.shape.Point> provider, com.spatial4j.core.shape.Point from)

Method Summary

Methods

Modifier and Type	Method and Description
String	description()
boolean	equals(Object o)
FunctionValues	getValues(Map context, AtomicReaderContext readerContext)
int	hashCode()

Methods inherited from class org.apache.lucene.queries.function.ValueSource

createWeight, getSortField, newContext, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ShapeFieldCacheDistanceValueSource

public ShapeFieldCacheDistanceValueSource(com.spatial4j.core.context.SpatialContext ctx,
                                  ShapeFieldCacheProvider<com.spatial4j.core.shape.Point> provider,
                                  com.spatial4j.core.shape.Point from)

Method Detail

description

public String description()

Specified by:

description in class ValueSource

getValues

public FunctionValues getValues(Map context,
                       AtomicReaderContext readerContext)
                         throws IOException

Specified by:

getValues in class ValueSource

Throws:

IOException

equals

public boolean equals(Object o)

Specified by:

equals in class ValueSource

hashCode

public int hashCode()

Specified by:

hashCode in class ValueSource