org.apache.solr.search.function.distance

Class HaversineConstFunction

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.solr.search.function.distance.HaversineConstFunction

public class HaversineConstFunction
extends ValueSource

Haversine function with one point constant

Field Summary

Fields

Modifier and Type	Field and Description
static double	DEGREES_TO_RADIANS
static ValueSourceParser	parser
static double	RADIANS_TO_DEGREES

Constructor Summary

Constructors

Constructor and Description
HaversineConstFunction(double latCenter, double lonCenter, VectorValueSource vs)

Method Summary

Methods

Modifier and Type	Method and Description
void	createWeight(Map context, IndexSearcher searcher)
String	description()
boolean	equals(Object o)
FunctionValues	getValues(Map context, AtomicReaderContext readerContext)
int	hashCode()
protected String	name()

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

getSortField, newContext, toString

Methods inherited from class java.lang.Object

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

Field Detail

DEGREES_TO_RADIANS

public static final double DEGREES_TO_RADIANS

See Also:

Constant Field Values

RADIANS_TO_DEGREES

public static final double RADIANS_TO_DEGREES

See Also:

Constant Field Values

parser

public static ValueSourceParser parser

Constructor Detail

HaversineConstFunction

public HaversineConstFunction(double latCenter,
                      double lonCenter,
                      VectorValueSource vs)

Method Detail

name

protected String name()

getValues

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

Specified by:

getValues in class ValueSource

Throws:

IOException

createWeight

public void createWeight(Map context,
                IndexSearcher searcher)
                  throws IOException

Overrides:

createWeight 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

description

public String description()

Specified by:

description in class ValueSource