public abstract class Optional<T>
extends java.lang.Object
v2.1.1 Gordio - SERVICE PACK 1
project Ardulink http://www.ardulink.org/Modifier and Type | Method and Description |
---|---|
static <T> Optional<T> |
absent() |
abstract T |
get() |
T |
getOrThrow(java.lang.Class<? extends java.lang.RuntimeException> exceptionClass,
java.lang.String message,
java.lang.Object... args)
Returns the optional's value if present.
|
T |
getOrThrow(java.lang.String message,
java.lang.Object... args)
Returns the optional's value if present.
|
abstract boolean |
isPresent() |
static <T> Optional<T> |
of(T object) |
static <T> Optional<T> |
ofNullable(T object) |
abstract T |
or(T other) |
T |
orNull() |
public static <T> Optional<T> absent()
public static <T> Optional<T> ofNullable(T object)
public static <T> Optional<T> of(T object)
public abstract boolean isPresent()
public abstract T get()
public T orNull()
public T getOrThrow(java.lang.String message, java.lang.Object... args)
message
- message of RuntimeException including placeholdersargs
- placeholder valuespublic T getOrThrow(java.lang.Class<? extends java.lang.RuntimeException> exceptionClass, java.lang.String message, java.lang.Object... args)
exceptionClass
- type to create new exception. The class has to define a public
String constructor.message
- message of RuntimeException including placeholdersargs
- placeholder valuesCopyright © 2019. All rights reserved.