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Making sure that the java and scala extension docs mention thread safety

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Viktor Klang 2012-02-25 14:59:50 +01:00
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akka-docs/scala/extending-akka.rst
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@ -9,6 +9,17 @@
.. contents:: :local: .. contents:: :local:
If you want to add features to Akka, there is a very elegant, but powerful mechanism for doing so.
It's called Akka Extensions and is comprised of 2 basic components: an ``Extension`` and an ``ExtensionId``.
Extensions will only be loaded once per ``ActorSystem``, which will be managed by Akka.
You can choose to have your Extension loaded on-demand or at ``ActorSystem`` creation time through the Akka configuration.
Details on how to make that happens are below, in the "Loading from Configuration" section.
.. warning::
Since an extension is a way to hook into Akka itself, the implementor of the extension needs to
ensure the thread safety of his/her extension.
Building an Extension Building an Extension
===================== =====================