Option

Companion object Option

sealed abstract class Option[A] extends Iterable[A]

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

Source: JavaAPI.scala

Linear Supertypes

Iterable[A], AnyRef, Any

Known Subclasses

Some

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By Inheritance

Inherited

Option
Iterable
AnyRef
Any

Implicitly

by java2ScalaOption
by any2stringadd
by StringFormat
by Ensuring
by ArrowAssoc

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Visibility

Public
All

Abstract Value Members

abstract def asScala: scala.Option[A]
abstract def get: A
abstract def getOrElse[B >: A](defaultValue: B): B
Returns a if this is some(a) or defaultValue if this is none.
abstract def isEmpty: Boolean

Concrete Value Members

final def !=(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def ##(): Int

Definition Classes
AnyRef → Any
def +(other: String): String

Implicit
This member is added by an implicit conversion from Option[A] to any2stringadd[Option[A]] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd
def ->[B](y: B): (Option[A], B)

Implicit
This member is added by an implicit conversion from Option[A] to ArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
final def ==(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def asInstanceOf[T0]: T0

Definition Classes
Any
def canEqual(that: Any): Boolean

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Equals
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@native() @HotSpotIntrinsicCandidate() @throws( ... )
final def collect[B](pf: PartialFunction[A, B]): scala.Option[B]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def contains[A1 >: A](elem: A1): Boolean

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
def ensuring(cond: (Option[A]) ⇒ Boolean, msg: ⇒ Any): Option[A]

Implicit
This member is added by an implicit conversion from Option[A] to Ensuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: (Option[A]) ⇒ Boolean): Option[A]

Implicit
This member is added by an implicit conversion from Option[A] to Ensuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean, msg: ⇒ Any): Option[A]

Implicit
This member is added by an implicit conversion from Option[A] to Ensuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean): Option[A]

Implicit
This member is added by an implicit conversion from Option[A] to Ensuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
final def eq(arg0: AnyRef): Boolean

Definition Classes
AnyRef
def equals(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def exists(p: (A) ⇒ Boolean): Boolean

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filter(p: (A) ⇒ Boolean): scala.Option[A]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filterNot(p: (A) ⇒ Boolean): scala.Option[A]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def flatMap[B](f: (A) ⇒ scala.Option[B]): scala.Option[B]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def flatten[B](implicit ev: <:<[A, scala.Option[B]]): scala.Option[B]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def fold[B](ifEmpty: ⇒ B)(f: (A) ⇒ B): B

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def forEach(arg0: Consumer[_ >: A]): Unit

Definition Classes
Iterable
final def forall(p: (A) ⇒ Boolean): Boolean

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def foreach[U](f: (A) ⇒ U): Unit

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def formatted(fmtstr: String): String

Implicit
This member is added by an implicit conversion from Option[A] to StringFormat[Option[A]] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@inline()
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
Annotations
@native() @HotSpotIntrinsicCandidate()
def hashCode(): Int

Definition Classes
AnyRef → Any
Annotations
@native() @HotSpotIntrinsicCandidate()
def isDefined: Boolean
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
def iterator(): Iterator[A]

Definition Classes
Option → Iterable
final def map[B](f: (A) ⇒ B): scala.Option[B]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def nonEmpty: Boolean

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def notify(): Unit

Definition Classes
AnyRef
Annotations
@native() @HotSpotIntrinsicCandidate()
final def notifyAll(): Unit

Definition Classes
AnyRef
Annotations
@native() @HotSpotIntrinsicCandidate()
final def orElse[B >: A](alternative: ⇒ scala.Option[B]): scala.Option[B]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def orNull[A1 >: A](implicit ev: <:<[Null, A1]): A1

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def productArity: Int

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElement(n: Int): Any

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productIterator: Iterator[Any]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productPrefix: String

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def spliterator(): Spliterator[A]

Definition Classes
Iterable
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
final def toLeft[X](right: ⇒ X): Either[A, X]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def toList: List[A]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def toRight[X](left: ⇒ X): Either[X, A]

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def toString(): String

Definition Classes
AnyRef → Any
final def wait(): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long, arg1: Int): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long): Unit

Definition Classes
AnyRef
Annotations
@native() @throws( ... )
final def withFilter(p: (A) ⇒ Boolean): WithFilter

Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def →[B](y: B): (Option[A], B)

Implicit
This member is added by an implicit conversion from Option[A] to ArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc

Shadowed Implicit Value Members

def get: A
Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).get
Definition Classes
Option
final def getOrElse[B >: A](default: ⇒ B): B
Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).getOrElse(default)
Definition Classes
Option
Annotations
@inline()
def isDefined: Boolean
Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isDefined
Definition Classes
Option
def isEmpty: Boolean
Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isEmpty
Definition Classes
Option
def iterator: Iterator[A]
Implicit
This member is added by an implicit conversion from Option[A] to scala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).iterator
Definition Classes
Option

Deprecated Value Members

def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@Deprecated @deprecated @throws( classOf[java.lang.Throwable] )
Deprecated
(Since version ) see corresponding Javadoc for more information.

Packages

Option

Companion object Option

sealed abstract class Option[A] extends Iterable[A]

Abstract Value Members

Concrete Value Members

Shadowed Implicit Value Members

Deprecated Value Members

Inherited from Iterable[A]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion java2ScalaOption from Option[A] to scala.Option[A]

Inherited by implicit conversion any2stringadd from Option[A] to any2stringadd[Option[A]]

Inherited by implicit conversion StringFormat from Option[A] to StringFormat[Option[A]]

Inherited by implicit conversion Ensuring from Option[A] to Ensuring[Option[A]]

Inherited by implicit conversion ArrowAssoc from Option[A] to ArrowAssoc[Option[A]]

Packages

Option 

Companion object Option

sealed abstract class Option[A] extends Iterable[A]

Abstract Value Members

Concrete Value Members

Shadowed Implicit Value Members

Deprecated Value Members

Inherited from Iterable[A]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion java2ScalaOption from Option[A] to scala.Option[A]

Inherited by implicit conversion any2stringadd from Option[A] to any2stringadd[Option[A]]

Inherited by implicit conversion StringFormat from Option[A] to StringFormat[Option[A]]

Inherited by implicit conversion Ensuring from Option[A] to Ensuring[Option[A]]

Inherited by implicit conversion ArrowAssoc from Option[A] to ArrowAssoc[Option[A]]

Option