Package jmri

Class ReferenceNotNull<E>

java.lang.Object

jmri.ReferenceNotNull<E>

Type Parameters:

E - the type of the reference

public class ReferenceNotNull<E>
extends 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

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 Details

ReferenceNotNull

public ReferenceNotNull()

Create an instance of Reference.

ReferenceNotNull

public ReferenceNotNull(@Nonnull
 E ref)

Create an instance of Reference.

Parameters:

ref - the reference

Method Details

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