org.sonar.java.parser.sslr

Class Optional<T>

java.lang.Object

org.sonar.java.parser.sslr.Optional<T>

public abstract class Optional<T>
extends Object

Loosely modeled after Optional.

Constructor Summary

Constructors

Constructor and Description
Optional()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> Optional<T>	absent()
abstract T	get()
abstract boolean	isPresent()
static <T> Optional<T>	of(T reference)
abstract T	or(T defaultValue)
abstract T	orNull()

Methods inherited from class java.lang.Object

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

Constructor Detail

Optional

public Optional()

Method Detail

absent

public static <T> Optional<T> absent()

of

public static <T> Optional<T> of(T reference)

isPresent

public abstract boolean isPresent()

get

public abstract T get()

or

public abstract T or(T defaultValue)

orNull

@CheckForNull
public abstract T orNull()