Package org.apache.solr.ltr.norm

Class IdentityNormalizer

java.lang.Object

org.apache.solr.ltr.norm.Normalizer

org.apache.solr.ltr.norm.IdentityNormalizer

public class IdentityNormalizer
extends Normalizer

A Normalizer that normalizes a feature value to itself. This is the default normalizer class, if no normalizer is configured then the IdentityNormalizer will be used.

Field Summary

Fields

Modifier and Type	Field	Description
static final IdentityNormalizer	INSTANCE

Constructor Summary

Constructors

Constructor	Description
IdentityNormalizer()

Method Summary

Modifier and Type	Method	Description
float	normalize(float value)
LinkedHashMap<String,Object>	paramsToMap()
String	toString()
protected void	validate()	As part of creation of a normalizer instance, this function confirms that the normalizer parameters are valid.

Methods inherited from class org.apache.solr.ltr.norm.Normalizer

explain, getInstance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

INSTANCE

public static final IdentityNormalizer INSTANCE

Constructor Details

IdentityNormalizer

public IdentityNormalizer()

Method Details

normalize

public float normalize(float value)

Specified by:

normalize in class Normalizer

paramsToMap

public LinkedHashMap<String,Object> paramsToMap()

Specified by:

paramsToMap in class Normalizer

validate

protected void validate()
                 throws NormalizerException

Description copied from class: Normalizer

As part of creation of a normalizer instance, this function confirms that the normalizer parameters are valid.

Specified by:

validate in class Normalizer

Throws:

NormalizerException - Normalizer Exception

toString

public String toString()

Overrides:

toString in class Object