Package software.amazon.awssdk.utils

Class OptionalUtils

java.lang.Object

software.amazon.awssdk.utils.OptionalUtils

public final class OptionalUtils
extends Object

Functions that make working with optionals easier.

Method Summary

Modifier and Type	Method	Description
static <T> Optional<T>	firstPresent(Optional<T> firstValue, Supplier<Optional<T>>... fallbackValues)	Attempt to find a present-valued optional in a list of optionals.
static <T> Optional<T>	firstPresent(Optional<T> firstValue, Supplier<T> fallbackValue)

Methods inherited from class java.lang.Object

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

Method Detail

firstPresent

@SafeVarargs
public static <T> Optional<T> firstPresent(Optional<T> firstValue,
                                           Supplier<Optional<T>>... fallbackValues)

Attempt to find a present-valued optional in a list of optionals.

Parameters:

firstValue - The first value that should be checked.

fallbackValues - The suppliers we should check in order for a present value.

Returns:

The first present value (or Optional.empty() if none are present)

firstPresent

public static <T> Optional<T> firstPresent(Optional<T> firstValue,
                                           Supplier<T> fallbackValue)