org.javers.common.collections

Class Optional<T>

java.lang.Object

org.javers.common.collections.Optional<T>

public class Optional<T>
extends Object

Author:

bartosz walacik

Method Summary

Modifier and Type	Method and Description
static <T> Optional<T>	empty()
static <T> Optional<T>	fromNullable(T nullOrReference)
T	get()
void	ifPresent(Consumer<T> consumer)
boolean	isEmpty()
boolean	isPresent()
static <T> Optional<T>	of(T reference)

Methods inherited from class java.lang.Object

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

Method Detail

empty

public static <T> Optional<T> empty()

of

public static <T> Optional<T> of(T reference)

fromNullable

public static <T> Optional<T> fromNullable(T nullOrReference)

isEmpty

public boolean isEmpty()

isPresent

public boolean isPresent()

get

public T get()

Throws:

IllegalStateException - if the instance is empty

ifPresent

public void ifPresent(Consumer<T> consumer)