ExtractId (uk.gov.gchq.gaffer:gaffer2 2.3.1 API)

java.lang.Object
- uk.gov.gchq.koryphe.function.KorypheFunction<Element,Object>
- - uk.gov.gchq.gaffer.data.element.function.ExtractId

All Implemented Interfaces:

Function<Element,Object>
```
public class ExtractId
extends uk.gov.gchq.koryphe.function.KorypheFunction<Element,Object>
```
An ExtractId is a KorypheFunction for simplifying the process of extracting the object associated with a provided IdentifierType. If the Element is null, this will return null.

Constructor Summary

Constructors
Constructor Description

ExtractId()

ExtractId(IdentifierType id)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`apply(Element element)`
`boolean`	`equals(Object obj)`
`IdentifierType`	`getId()`
`int`	`hashCode()`
`void`	`setId(IdentifierType id)`
`String`	`toString()`

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

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

- Constructor Detail
  - ExtractId
```
public ExtractId()
```
  - ExtractId
```
public ExtractId(IdentifierType id)
```
- Method Detail
  - apply
```
public Object apply(Element element)
```
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class uk.gov.gchq.koryphe.function.KorypheFunction<Element,Object>
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class uk.gov.gchq.koryphe.function.KorypheFunction<Element,Object>
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - getId
```
public IdentifierType getId()
```
  - setId
```
public void setId(IdentifierType id)
```