org.apache.flink.util

类 OptionalUtils

java.lang.Object

org.apache.flink.util.OptionalUtils

@Internal
public class OptionalUtils
extends Object

Utilities for working with Optional.

方法概要

限定符和类型	方法和说明
static <T> Optional<T>	firstPresent(Optional<T>... opts) Returns the first Optional which is present.
static <T> Stream<T>	stream(Optional<T> opt) Converts the given Optional into a Stream.

从类继承的方法 java.lang.Object

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

方法详细资料

stream

public static <T> Stream<T> stream(Optional<T> opt)

Converts the given Optional into a Stream.

This is akin to Optional#stream available in JDK9+.

firstPresent

@SafeVarargs
public static <T> Optional<T> firstPresent(Optional<T>... opts)

Returns the first Optional which is present.