ReferenceNotNull (JMRI API)

java.lang.Object
- jmri.ReferenceNotNull<E>

Type Parameters:

E - the type of the reference
```
public class ReferenceNotNull<E>
extends java.lang.Object
```
A reference to an object where the object must not be null. It's a faster replacement for AtomicReference when thread safety is not needed.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ReferenceNotNull()
  Create an instance of Reference.
  
  ReferenceNotNull(E ref)
  Create an instance of Reference.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  E get()
  Return the reference.
  
  void set(E ref)
  Set the reference.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ReferenceNotNull
```
public ReferenceNotNull()
```
    Create an instance of Reference.
  - ReferenceNotNull
```
public ReferenceNotNull(@Nonnull
                        E ref)
```
    Create an instance of Reference.
    
    Parameters:
    
    ref - the reference
- Method Detail
  - set
```
public void set(@Nonnull
                E ref)
```
    Set the reference.
    
    Parameters:
    
    ref - the new reference
  - get
```
@CheckReturnValue
@Nonnull
public E get()
```
    Return the reference.
    
    Returns:
    
    the reference