akka.actor

ExtensionKey

abstract class ExtensionKey[T <: Extension] extends ExtensionId[T] with ExtensionIdProvider

This is a one-stop-shop if all you want is an extension which is constructed with the ExtendedActorSystem as its only constructor argument:

object MyExt extends ExtensionKey[Ext]

class Ext(system: ExtendedActorSystem) extends Extension {
  ...
}

Java API:

public class MyExt extends Extension {
public static final ExtensionKey<MyExt> key = new ExtensionKey<MyExt>(MyExt.class);

public MyExt(ExtendedActorSystem system) {
  ...
}
}

Note: Don't use this class if the extension is written in Scala and consumed in Eclipse Java projects. JDT has problems resolving correct type for the get method.

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Inherited
  1. ExtensionKey
  2. ExtensionIdProvider
  3. ExtensionId
  4. AnyRef
  5. Any
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Visibility
  1. Public
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Instance Constructors

  1. new ExtensionKey(clazz: Class[T])

  2. new ExtensionKey()(implicit m: ClassTag[T])

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  6. def apply(system: ActorSystem): T

    Returns an instance of the extension identified by this ExtensionId instance.

    Returns an instance of the extension identified by this ExtensionId instance.

    Definition Classes
    ExtensionId
  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate() @throws( ... )
  9. def createExtension(system: ExtendedActorSystem): T

    Is used by Akka to instantiate the Extension identified by this ExtensionId, internal use only.

    Is used by Akka to instantiate the Extension identified by this ExtensionId, internal use only.

    Definition Classes
    ExtensionKeyExtensionId
  10. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  11. final def equals(other: Any): Boolean

    Definition Classes
    ExtensionId → AnyRef → Any
  12. def get(system: ActorSystem): T

    Returns an instance of the extension identified by this ExtensionId instance.

    Returns an instance of the extension identified by this ExtensionId instance. Java API For extensions written in Scala that are to be used used from Java also, this method should be overridden to get correct return type.

    override def get(system: ActorSystem): TheExtension = super.get(system)
    Definition Classes
    ExtensionId
  13. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate()
  14. final def hashCode(): Int

    Definition Classes
    ExtensionId → AnyRef → Any
  15. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  16. def lookup(): ExtensionId[T]

    Returns the canonical ExtensionId for this Extension

    Returns the canonical ExtensionId for this Extension

    Definition Classes
    ExtensionKeyExtensionIdProvider
  17. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  18. final def notify(): Unit

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

    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate()
  20. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  21. def toString(): String

    Definition Classes
    AnyRef → Any
  22. final def wait(arg0: Long, arg1: Int): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Deprecated Value Members

  1. 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.

Inherited from ExtensionIdProvider

Inherited from ExtensionId[T]

Inherited from AnyRef

Inherited from Any

Ungrouped