Backed (jems2 2.8.0 API)

java.lang.Object
- org.dmfs.jems2.single.Backed<T>

All Implemented Interfaces:

Fragile<T,java.lang.RuntimeException>, Optional<T>, Single<T>
```
public final class Backed<T>
extends java.lang.Object
implements Single<T>, Optional<T>
```
Single and Optional that delegates to the given Optional if that is present, otherwise falls back to the provided back-up Single.

Constructor Summary

Constructors
Constructor	Description
`Backed(Optional<? extends T> optional, Fragile<? extends T,? extends java.lang.RuntimeException> backUp)`
`Backed(Optional<? extends T> optional, T backUp)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isPresent()`	Returns whether the optional value is present.
`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,
              Fragile<? extends T,? extends java.lang.RuntimeException> backUp)
```
  - Backed
```
public Backed(Optional<? extends T> optional,
              T backUp)
```
- Method Detail
  - isPresent
```
public boolean isPresent()
```
    Description copied from interface: Optional
    
    Returns whether the optional value is present.
    
    Specified by:
    
    isPresent in interface Optional<T>
  - value
```
public T value()
```
    Description copied from interface: Single
    
    Returns the sole value of this 1-tuple.
    
    Specified by:
    
    value in interface Fragile<T,java.lang.RuntimeException>
    
    Specified by:
    
    value in interface Optional<T>
    
    Specified by:
    
    value in interface Single<T>