org.apache.solr.analytics.util.valuesource

Class LogDoubleFunction

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.solr.analytics.util.valuesource.DualDoubleFunction

org.apache.solr.analytics.util.valuesource.LogDoubleFunction

public class LogDoubleFunction
extends DualDoubleFunction

LogDoubleFunction returns the log of a double value with a given base.

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME

Fields inherited from class org.apache.solr.analytics.util.valuesource.DualDoubleFunction

a, b

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
protected double	func(int doc, org.apache.lucene.queries.function.FunctionValues aVals, org.apache.lucene.queries.function.FunctionValues bVals)
protected String	name()

Methods inherited from class org.apache.solr.analytics.util.valuesource.DualDoubleFunction

createWeight, description, equals, getValues, hashCode

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

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

LogDoubleFunction

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

Method Detail

name

protected String name()

Specified by:

name in class DualDoubleFunction

func

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

Specified by:

func in class DualDoubleFunction