org.apache.solr.analytics.util.valuesource

Class MultiDoubleFunction

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.solr.analytics.util.valuesource.MultiDoubleFunction

Direct Known Subclasses:

AddDoubleFunction, MultiplyDoubleFunction

public abstract class MultiDoubleFunction
extends ValueSource

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

Field Summary

Fields

Modifier and Type	Field and Description
protected ValueSource[]	sources

Constructor Summary

Constructors

Constructor and Description
MultiDoubleFunction(ValueSource[] sources)

Method Summary

Modifier and Type	Method and Description
void	createWeight(Map context, IndexSearcher searcher)
String	description()
boolean	equals(Object o)
protected abstract double	func(int doc, FunctionValues[] valsArr)
FunctionValues	getValues(Map context, LeafReaderContext readerContext)
int	hashCode()
protected abstract String	name()

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

getSortField, newContext, toString

Methods inherited from class java.lang.Object

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

Field Detail

sources

protected final ValueSource[] sources

Constructor Detail

MultiDoubleFunction

public MultiDoubleFunction(ValueSource[] sources)

Method Detail

name

protected abstract String name()

func

protected abstract double func(int doc,
                               FunctionValues[] valsArr)

description

public String description()

Specified by:

description in class ValueSource

getValues

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

Specified by:

getValues in class ValueSource

Throws:

IOException

createWeight

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

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