ExtractValue (uk.gov.gchq.koryphe:koryphe 2.5.2 API)

java.lang.Object
- uk.gov.gchq.koryphe.function.KorypheFunction<Map<K,V>,V>
- - uk.gov.gchq.koryphe.impl.function.ExtractValue<K,V>

Type Parameters:

K - the key type

V - the value type

All Implemented Interfaces:

Function<Map<K,V>,V>
```
public class ExtractValue<K,V>
extends KorypheFunction<Map<K,V>,V>
```
An ExtractValue is a Function that retrieves the value from a given Map, for the corresponding pre-configured key.

Constructor Summary

Constructors
Constructor Description

ExtractValue()

ExtractValue(K key)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`V`	`apply(Map<K,V> map)`
`boolean`	`equals(Object o)`
`K`	`getKey()`
`int`	`hashCode()`
`void`	`setKey(K key)`

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Function
andThen, compose

Constructor Detail

ExtractValue
```
public ExtractValue()
```

ExtractValue
```
public ExtractValue(K key)
```

Method Detail
- getKey
```
public K getKey()
```
- setKey
```
public void setKey(K key)
```
- apply
```
public V apply(Map<K,V> map)
```
- equals
```
public boolean equals(Object o)
```
  Overrides:
  
  equals in class KorypheFunction<Map<K,V>,V>
- hashCode
```
public int hashCode()
```
  Overrides:
  
  hashCode in class KorypheFunction<Map<K,V>,V>