public class HaversineConstFunction extends ValueSource
Modifier and Type | Field and Description |
---|---|
private static double |
EARTH_MEAN_DIAMETER |
private double |
latCenter |
private double |
latCenterRad_cos |
private ValueSource |
latSource |
private double |
lonCenter |
private ValueSource |
lonSource |
private VectorValueSource |
p2 |
static ValueSourceParser |
parser |
Constructor and Description |
---|
HaversineConstFunction(double latCenter,
double lonCenter,
VectorValueSource vs) |
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()
|
boolean |
equals(java.lang.Object o) |
private static double[] |
getConstants(MultiValueSource vs) |
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() |
private static VectorValueSource |
makeMV(java.util.List<ValueSource> sources,
java.util.List<ValueSource> orig)
make a MultiValueSource from two non MultiValueSources
|
protected java.lang.String |
name() |
private static MultiValueSource |
parsePoint(FunctionQParser fp) |
private static MultiValueSource |
parseSfield(FunctionQParser fp) |
getSortField, getValues, newContext, toString
public static ValueSourceParser parser
private final double latCenter
private final double lonCenter
private final VectorValueSource p2
private final ValueSource latSource
private final ValueSource lonSource
private final double latCenterRad_cos
private static final double EARTH_MEAN_DIAMETER
public HaversineConstFunction(double latCenter, double lonCenter, VectorValueSource vs)
private static VectorValueSource makeMV(java.util.List<ValueSource> sources, java.util.List<ValueSource> orig) throws org.apache.lucene.queryParser.ParseException
org.apache.lucene.queryParser.ParseException
private static MultiValueSource parsePoint(FunctionQParser fp) throws org.apache.lucene.queryParser.ParseException
org.apache.lucene.queryParser.ParseException
private static double[] getConstants(MultiValueSource vs)
private static MultiValueSource parseSfield(FunctionQParser fp) throws org.apache.lucene.queryParser.ParseException
org.apache.lucene.queryParser.ParseException
protected java.lang.String name()
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