OneOrNull (OpenStack4j Core 3.12 API)

java.lang.Object
- org.openstack4j.openstack.common.functions.OneOrNull<T>

Type Parameters:

T - The return Type

All Implemented Interfaces:

Function<List<T>,T>
```
public class OneOrNull<T>
extends Object
implements Function<List<T>,T>
```
A Function which returns one entry from a List or null

Author:

Jeremy Unruh

- Constructor Summary
  
  Constructors
  Constructor Description
  
  OneOrNull()
- Method Summary
  
  All Methods Static Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  T apply(List<T> input)
  
  static <T> OneOrNull<T> create()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.function.Function
    andThen, compose

- Constructor Detail
  - OneOrNull
```
public OneOrNull()
```
- Method Detail
  - create
```
public static <T> OneOrNull<T> create()
```
  - apply
```
public T apply(List<T> input)
```
    Specified by:
    
    apply in interface Function<List<T>,T>