org.apache.solr.search.function.distance

Class HaversineConstFunction

java.lang.Object

org.apache.solr.search.function.ValueSource

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

All Implemented Interfaces:

Serializable

public class HaversineConstFunction
extends ValueSource

Haversine function with one point constant

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static ValueSourceParser	parser

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, Searcher searcher) Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context.
String	description() description of field, used in explain()
boolean	equals(Object o)
DocValues	getValues(Map context, IndexReader reader) Gets the values for this reader and the context that was previously passed to createWeight()
int	hashCode()
protected String	name()

Methods inherited from class org.apache.solr.search.function.ValueSource

getSortField, getValues, newContext, toString

Methods inherited from class java.lang.Object

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

Field Detail

parser

public static ValueSourceParser parser

Constructor Detail

HaversineConstFunction

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

Method Detail

name

protected String name()

getValues

public DocValues getValues(Map context,
                  IndexReader reader)
                    throws IOException

Description copied from class: ValueSource

Gets the values for this reader and the context that was previously passed to createWeight()

Overrides:

getValues in class ValueSource

Throws:

IOException

createWeight

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

Description copied from class: ValueSource

Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context. The context object will be passed to getValues() where this info can be retrieved.

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()

Description copied from class: ValueSource

description of field, used in explain()

Specified by:

description in class ValueSource