OptionalUtils (Flink : Core 2.0-preview1 API)

java.lang.Object
- org.apache.flink.util.OptionalUtils

@Internal
public class OptionalUtils
extends Object

Utilities for working with Optional.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`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`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - 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.