MinMaxNormalizer (Solr 7.7.0 API)

java.lang.Object
- org.apache.solr.ltr.norm.Normalizer
- - org.apache.solr.ltr.norm.MinMaxNormalizer

```
public class MinMaxNormalizer
extends Normalizer
```
A Normalizer to scale a feature value using a (min,max) range.
Example configuration:
```
"norm" : {
    "class" : "org.apache.solr.ltr.norm.MinMaxNormalizer",
    "params" : { "min":"0", "max":"50" }
}
```
Example normalizations:
- -5 will be normalized to -0.1
- 55 will be normalized to 1.1
- +5 will be normalized to +0.1

Constructor Summary

Constructors
Constructor Description

MinMaxNormalizer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`float`	`getMax()`
`float`	`getMin()`
`float`	`normalize(float value)`
`LinkedHashMap<String,Object>`	`paramsToMap()`
`void`	`setMax(float max)`
`void`	`setMax(String max)`
`void`	`setMin(float min)`
`void`	`setMin(String min)`
`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

- Constructor Detail
  - MinMaxNormalizer
```
public MinMaxNormalizer()
```
- Method Detail
  - getMin
```
public float getMin()
```
  - setMin
```
public void setMin(float min)
```
  - setMin
```
public void setMin(String min)
```
  - getMax
```
public float getMax()
```
  - setMax
```
public void setMax(float max)
```
  - setMax
```
public void setMax(String max)
```
  - 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
  - normalize
```
public float normalize(float value)
```
    Specified by:
    
    normalize in class Normalizer
  - paramsToMap
```
public LinkedHashMap<String,Object> paramsToMap()
```
    Specified by:
    
    paramsToMap in class Normalizer
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object