org.dmfs.jems.single.combined

Class Backed<T>

java.lang.Object

org.dmfs.jems.single.combined.Backed<T>

All Implemented Interfaces:

Single<T>

public final class Backed<T>
extends java.lang.Object
implements Single<T>

Single that delegates to the given Optional if that is present, otherwise falls back to the provided back-up Single.

Constructor Summary

Constructors

Constructor and Description
Backed(Optional<? extends T> optional, Single<? extends T> backUp)
Backed(Optional<? extends T> optional, T backUp)

Method Summary

Modifier and Type	Method and Description
T	value() Returns the sole value of this 1-tuple.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Backed

public Backed(Optional<? extends T> optional,
              Single<? extends T> backUp)

Backed

public Backed(Optional<? extends T> optional,
              T backUp)

Method Detail

value

public T value()

Description copied from interface: Single

Returns the sole value of this 1-tuple.

Specified by:

value in interface Single<T>

Returns:

The value.