Class Output<T>

java.lang.Object

dev.restate.common.Output<T>

Type Parameters:

T - the content type

public final class Output<T>
extends Object

This class is similar to Optional, but allows null values.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
T	getValue()
int	hashCode()
boolean	isReady()
<U> Output<U>	map(Function<? super T, ? extends U> mapper)
static <T> Output<T>	notReady()
T	orElse(T other)
T	orElseGet(Supplier<? extends T> supplier)
static <T> Output<T>	ready(T value)
String	toString()

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

isReady

public boolean isReady()

Returns:

true if the output is ready

getValue

public T getValue()
           throws IllegalStateException

Returns:

the value

Throws:

IllegalStateException - if this output is not ready.

map

public <U> Output<U> map(Function<? super T, ? extends U> mapper)

See Also:

• Optional.map(Function)

orElse

public T orElse(T other)

See Also:

• Optional.orElse(Object)

orElseGet

public T orElseGet(Supplier<? extends T> supplier)

See Also:

• Optional.orElseGet(Supplier)

notReady

public static <T> Output<T> notReady()

ready

public static <T> Output<T> ready(T value)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object