t

akka.actor.typed

Extensions

trait Extensions extends AnyRef

API for registering and looking up extensions.

Not for user extension.

Annotations
@DoNotInherit()
Source
Extensions.scala
Linear Supertypes
AnyRef, Any
Known Subclasses
ActorSystem
Type Hierarchy
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Extensions
  2. AnyRef
  3. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. Protected

Abstract Value Members

  1. abstract def extension[T <: Extension](ext: ExtensionId[T]): T

    Returns the payload that is associated with the provided extension throws an IllegalStateException if it is not registered.

    Returns the payload that is associated with the provided extension throws an IllegalStateException if it is not registered. This method can potentially block, waiting for the initialization of the payload, if is in the process of registration from another Thread of execution

  2. abstract def hasExtension(ext: [_ <: Extension]): Boolean

    Returns whether the specified extension is already registered, this method can potentially block, waiting for the initialization of the payload, if is in the process of registration from another Thread of execution

  3. abstract def registerExtension[T <: Extension](ext: ExtensionId[T]): T

    Registers the provided extension and creates its payload, if this extension isn't already registered This method has putIfAbsent-semantics, this method can potentially block, waiting for the initialization of the payload, if is in the process of registration from another Thread of execution