public class HaversineFunction extends ValueSource
Modifier and Type | Field and Description |
---|---|
private boolean |
convertToRadians |
private MultiValueSource |
p1 |
private MultiValueSource |
p2 |
private double |
radius |
Constructor and Description |
---|
HaversineFunction(MultiValueSource p1,
MultiValueSource p2,
double radius) |
HaversineFunction(MultiValueSource p1,
MultiValueSource p2,
double radius,
boolean convertToRads) |
Modifier and Type | Method and Description |
---|---|
void |
createWeight(java.util.Map context,
org.apache.lucene.search.Searcher searcher)
Implementations should propagate createWeight to sub-ValueSources which can optionally store
weight info in the context.
|
java.lang.String |
description()
description of field, used in explain()
|
protected double |
distance(int doc,
DocValues p1DV,
DocValues p2DV) |
boolean |
equals(java.lang.Object o) |
DocValues |
getValues(java.util.Map context,
org.apache.lucene.index.IndexReader reader)
Gets the values for this reader and the context that was previously
passed to createWeight()
|
int |
hashCode() |
protected java.lang.String |
name() |
getSortField, getValues, newContext, toString
private MultiValueSource p1
private MultiValueSource p2
private boolean convertToRadians
private double radius
public HaversineFunction(MultiValueSource p1, MultiValueSource p2, double radius)
public HaversineFunction(MultiValueSource p1, MultiValueSource p2, double radius, boolean convertToRads)
protected java.lang.String name()
protected double distance(int doc, DocValues p1DV, DocValues p2DV)
doc
- The doc to scorep1DV
- p2DV
- public DocValues getValues(java.util.Map context, org.apache.lucene.index.IndexReader reader) throws java.io.IOException
ValueSource
getValues
in class ValueSource
java.io.IOException
public void createWeight(java.util.Map context, org.apache.lucene.search.Searcher searcher) throws java.io.IOException
ValueSource
createWeight
in class ValueSource
java.io.IOException
public boolean equals(java.lang.Object o)
equals
in class ValueSource
public int hashCode()
hashCode
in class ValueSource
public java.lang.String description()
ValueSource
description
in class ValueSource