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The Orbit 1 Legacy Project
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actors Use correct thread for selectNode. (#407) Jul 30, 2019
commons Mainline to 1.14.1-SNAPSHOT Jul 24, 2019
.gitignore Improved .gitignore. Support for IntelliJ 2017.3 code style settings Dec 5, 2017
.travis.yml Version 1.12.1 May 28, 2019 Update CLA location Feb 28, 2019
LICENSE Update License Year Jan 15, 2018
eclipse-code-style.epf Refactor paths Mar 30, 2016
pom.xml Update links for new legacy project Jul 30, 2019

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Orbit is a framework to write distributed systems using virtual actors on the JVM. It allows developers to write highly distributed and scalable applications while greatly simplifying clustering, discovery, networking, state management, actor lifetime and more.

Duke's Choice Award Logo
Orbit received the 2016 Duke's Choice Award for Open Source, read here for more information.

Full Documentation

See the Wiki for full documentation, examples and other information.

Developer & License

This project was developed by Electronic Arts and is licensed under the BSD 3-Clause License.

Simple Example


public interface Hello extends Actor
    Task<String> sayHello(String greeting);

public class HelloActor extends AbstractActor implements Hello
    public Task<String> sayHello(String greeting)
        getLogger().info("Here: " + greeting);
        return Task.fromValue("Hello There");

Actor.getReference(Hello.class, "0").sayHello("Meep Meep");


trait Hello extends Actor 
  def sayHello(greeting: String): Task[String]

class HelloActor extends AbstractActor[AnyRef] with Hello 
  def sayHello(greeting: String): Task[String] = 
  {"Here: " + greeting)
    Task.fromValue("Hello There")

Actor.getReference(classOf[Hello], "0").sayHello("Meep Meep")
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