de.flapdoodle.types

Class Optionals

java.lang.Object

de.flapdoodle.types.Optionals

public abstract class Optionals
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Optionals.Wrapper<T>

Method Summary

Modifier and Type	Method and Description
static <S,D,E extends Exception> Optional<D>	map(Optional<S> source, ThrowingFunction<? super S,? extends D,E> mapper)
static <D,E extends Exception> D	orElseGet(Optional<D> current, ThrowingSupplier<? extends D,E> supplier)
static <T> Stream<T>	streamOf(Optional<T> src)
static <T> Optionals.Wrapper<T>	with(Optional<T> wrapped)

Methods inherited from class java.lang.Object

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

Method Detail

map

public static <S,D,E extends Exception> Optional<D> map(Optional<S> source,
                                                        ThrowingFunction<? super S,? extends D,E> mapper)
                                                 throws E extends Exception

Throws:

E extends Exception

orElseGet

public static <D,E extends Exception> D orElseGet(Optional<D> current,
                                                  ThrowingSupplier<? extends D,E> supplier)
                                           throws E extends Exception

Throws:

E extends Exception

streamOf

public static <T> Stream<T> streamOf(Optional<T> src)

with

public static <T> Optionals.Wrapper<T> with(Optional<T> wrapped)