Package

akka

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package akka

Content Hierarchy
Visibility
  1. Public
  2. All

Type Members

  1. class AkkaException extends RuntimeException with Serializable

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    Akka base Exception.

    Akka base Exception.

    Annotations
    @SerialVersionUID()
  2. class ConfigurationException extends AkkaException

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    This exception is thrown when Akka detects a problem with the provided configuration

  3. sealed abstract class Done extends AnyRef

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    Typically used together with Future to signal completion but there is no actual value completed.

    Typically used together with Future to signal completion but there is no actual value completed. More clearly signals intent than Unit and is available both from Scala and Java (which Unit is not).

  4. sealed abstract class NotUsed extends AnyRef

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    This type is used in generic type signatures wherever the actual value is of no importance.

    This type is used in generic type signatures wherever the actual value is of no importance. It is a combination of Scala’s Unit and Java’s Void, which both have different issues when used from the other language. An example use-case is the materialized value of an Akka Stream for cases where no result shall be returned from materialization.

  5. trait OnlyCauseStackTrace extends AnyRef

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    Mix in this trait to suppress the StackTrace for the instance of the exception but not the cause, scala.util.control.NoStackTrace suppresses all the StackTraces.

Value Members

  1. object Done extends Done with Product with Serializable

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  2. object Main

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    Main class to start an akka.actor.ActorSystem with one top level application supervisor actor.

    Main class to start an akka.actor.ActorSystem with one top level application supervisor actor. It will shutdown the actor system when the top level actor is terminated.

  3. object NotUsed extends NotUsed with Product with Serializable

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  4. object Version

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  5. package actor

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  6. package agent

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  7. package annotation

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  8. package camel

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  9. package cluster

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  10. package contrib

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  11. package dispatch

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  12. package event

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  13. package io

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  14. package japi

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  15. package osgi

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  16. package pattern

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    This package is used as a collection point for usage patterns which involve actors, futures, etc.

    Commonly Used Patterns With Akka

    This package is used as a collection point for usage patterns which involve actors, futures, etc. but are loosely enough coupled to (multiple of) them to present them separately from the core implementation. Currently supported are:

    • ask: create a temporary one-off actor for receiving a reply to a message and complete a scala.concurrent.Future with it; returns said Future.
    • pipeTo: feed eventually computed value of a future to an akka.actor.ActorRef as a message.
    • pipeToSelection: feed eventually computed value of a future to an akka.actor.ActorSelection as a message.

    In Scala the recommended usage is to import the pattern from the package object:

    import akka.pattern.ask
    
    ask(actor, message) // use it directly
    actor ask message   // use it by implicit conversion

    For Java the patterns are available as static methods of the akka.pattern.Patterns class:

    import static akka.pattern.Patterns.ask;
    
    ask(actor, message);
  17. package persistence

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  18. package remote

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  19. package routing

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  20. package serialization

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  21. package stream

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  22. package testkit

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  23. package typed

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  24. package util

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