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 org.apache.lucene.queries.function.ValueSource

Haversine function with one point constant

Constructor Summary

Constructors

Constructor and Description
HaversineConstFunction(double latCenter, double lonCenter, org.apache.lucene.queries.function.valuesource.VectorValueSource vs)

Method Summary

Modifier and Type	Method and Description
void	createWeight(Map context, org.apache.lucene.search.IndexSearcher searcher)
String	description()
boolean	equals(Object o)
org.apache.lucene.queries.function.FunctionValues	getValues(Map context, org.apache.lucene.index.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

Constructor Detail

HaversineConstFunction

public HaversineConstFunction(double latCenter,
                              double lonCenter,
                              org.apache.lucene.queries.function.valuesource.VectorValueSource vs)

Method Detail

name

protected String name()

getValues

public org.apache.lucene.queries.function.FunctionValues getValues(Map context,
                                                                   org.apache.lucene.index.AtomicReaderContext readerContext)
                                                            throws IOException

Specified by:

getValues in class org.apache.lucene.queries.function.ValueSource

Throws:

IOException

createWeight

public void createWeight(Map context,
                         org.apache.lucene.search.IndexSearcher searcher)
                  throws IOException

Overrides:

createWeight in class org.apache.lucene.queries.function.ValueSource

Throws:

IOException

equals

public boolean equals(Object o)

Specified by:

equals in class org.apache.lucene.queries.function.ValueSource

hashCode

public int hashCode()

Specified by:

hashCode in class org.apache.lucene.queries.function.ValueSource

description

public String description()

Specified by:

description in class org.apache.lucene.queries.function.ValueSource