Package org.apache.solr.search.function

Class DualDoubleFunction

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.solr.search.function.DualDoubleFunction

public abstract class DualDoubleFunction
extends org.apache.lucene.queries.function.ValueSource

Abstract ValueSource implementation which wraps two ValueSources and applies an extendible double function to their values.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.lucene.queries.function.ValueSource	a
protected org.apache.lucene.queries.function.ValueSource	b

Constructor Summary

Constructors

Constructor	Description
DualDoubleFunction(org.apache.lucene.queries.function.ValueSource a, org.apache.lucene.queries.function.ValueSource b)

Method Summary

Modifier and Type	Method	Description
void	createWeight(Map<Object,Object> context, org.apache.lucene.search.IndexSearcher searcher)
String	description()
boolean	equals(Object o)
protected abstract double	func(int doc, org.apache.lucene.queries.function.FunctionValues aVals, org.apache.lucene.queries.function.FunctionValues bVals)
org.apache.lucene.queries.function.FunctionValues	getValues(Map<Object,Object> context, org.apache.lucene.index.LeafReaderContext readerContext)
int	hashCode()
protected abstract String	name()

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

asDoubleValuesSource, asLongValuesSource, fromDoubleValuesSource, getSortField, newContext, toString

Methods inherited from class java.lang.Object

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

Field Detail

a

protected final org.apache.lucene.queries.function.ValueSource a

b

protected final org.apache.lucene.queries.function.ValueSource b

Constructor Detail

DualDoubleFunction

public DualDoubleFunction(org.apache.lucene.queries.function.ValueSource a,
                          org.apache.lucene.queries.function.ValueSource b)

Parameters:

a - the base.

b - the exponent.

Method Detail

name

protected abstract String name()

func

protected abstract double func(int doc,
                               org.apache.lucene.queries.function.FunctionValues aVals,
                               org.apache.lucene.queries.function.FunctionValues bVals)
                        throws IOException

Throws:

IOException

description

public String description()

Specified by:

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

getValues

public org.apache.lucene.queries.function.FunctionValues getValues(Map<Object,Object> context,
                                                                   org.apache.lucene.index.LeafReaderContext readerContext)
                                                            throws IOException

Specified by:

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

Throws:

IOException

createWeight

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

Overrides:

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

Throws:

IOException

hashCode

public int hashCode()

Specified by:

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

equals

public boolean equals(Object o)

Specified by:

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