org.apache.lucene.queries.function.valuesource

Class DoubleConstValueSource

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.lucene.queries.function.valuesource.ConstNumberSource

org.apache.lucene.queries.function.valuesource.DoubleConstValueSource

public class DoubleConstValueSource
extends ConstNumberSource

Function that returns a constant double value for every document.

Constructor Summary

Constructors

Constructor and Description
DoubleConstValueSource(double constant)

Method Summary

Methods

Modifier and Type	Method and Description
String	description() description of field, used in explain()
boolean	equals(Object o)
boolean	getBool()
double	getDouble()
float	getFloat()
int	getInt()
long	getLong()
Number	getNumber()
FunctionValues	getValues(Map context, LeafReaderContext readerContext) Gets the values for this reader and the context that was previously passed to createWeight()
int	hashCode()

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

createWeight, getSortField, newContext, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleConstValueSource

public DoubleConstValueSource(double constant)

Method Detail

description

public String description()

Description copied from class: ValueSource

description of field, used in explain()

Specified by:

description in class ValueSource

getValues

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

Description copied from class: ValueSource

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

Specified by:

getValues in class ValueSource

Throws:

IOException

hashCode

public int hashCode()

Specified by:

hashCode in class ValueSource

equals

public boolean equals(Object o)

Specified by:

equals in class ValueSource

getInt

public int getInt()

Specified by:

getInt in class ConstNumberSource

getLong

public long getLong()

Specified by:

getLong in class ConstNumberSource

getFloat

public float getFloat()

Specified by:

getFloat in class ConstNumberSource

getDouble

public double getDouble()

Specified by:

getDouble in class ConstNumberSource

getNumber

public Number getNumber()

Specified by:

getNumber in class ConstNumberSource

getBool

public boolean getBool()

Specified by:

getBool in class ConstNumberSource