org.javers.common.collections

Class Optional<T>

java.lang.Object

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

public class Optional<T>
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static <T> Optional<T>	empty()
boolean	equals(java.lang.Object o)
static <T> Optional<T>	fromNullable(T nullOrReference)
T	get()
int	hashCode()
void	ifPresent(Consumer<T> consumer)
boolean	isEmpty()
boolean	isPresent()
static <T> Optional<T>	of(T reference)

Methods inherited from class java.lang.Object

clone, finalize, getClass, 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:

java.lang.IllegalStateException - if the instance is empty

ifPresent

public void ifPresent(Consumer<T> consumer)

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object