akka.japi
Class Option<A>

java.lang.Object
  akka.japi.Option<A>

All Implemented Interfaces:

java.lang.Iterable<A>

Direct Known Subclasses:

Option.Some

public abstract class Option<A>
extends java.lang.Object
implements java.lang.Iterable<A>

This class represents optional values. Instances of Option are either instances of case class Some or it is case object None.

Nested Class Summary

static class	Option.Some<A> Class Some[A] represents existing values of type A.
static class	Option.Some$

Constructor Summary

Option()

Method Summary

abstract scala.Option<A>	asScala()
static <T> Option<T>	fromScalaOption(scala.Option<T> scalaOption) Converts a Scala Option to a Java Option
abstract A	get()
boolean	isDefined()
abstract boolean	isEmpty()
java.util.Iterator<A>	iterator()
static <A> scala.Option<A>	java2ScalaOption(Option<A> o)
static <A> Option<A>	none() Option factory that creates None
static <A> Option<A>	option(A v) Option factory that creates None if v is null, Some(v) otherwise.
static <A> Option<A>	scala2JavaOption(scala.Option<A> o)
static <A> Option<A>	some(A v) Option factory that creates Some

Methods inherited from class java.lang.Object

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

Constructor Detail

Option

public Option()

Method Detail

some

public static <A> Option<A> some(A v)

Option factory that creates Some

none

public static <A> Option<A> none()

Option factory that creates None

option

public static <A> Option<A> option(A v)

Option factory that creates None if v is null, Some(v) otherwise.

fromScalaOption

public static <T> Option<T> fromScalaOption(scala.Option<T> scalaOption)

Converts a Scala Option to a Java Option

java2ScalaOption

public static <A> scala.Option<A> java2ScalaOption(Option<A> o)

scala2JavaOption

public static <A> Option<A> scala2JavaOption(scala.Option<A> o)

get

public abstract A get()

isEmpty

public abstract boolean isEmpty()

isDefined

public boolean isDefined()

asScala

public abstract scala.Option<A> asScala()

iterator

public java.util.Iterator<A> iterator()

Specified by:

iterator in interface java.lang.Iterable<A>