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Merge pull request #18259 from akka/wip-13523-cluster-client-sender-patriknw

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!clt #13523 Don't expose sender in cluster client replies
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Patrik Nordwall 2015-08-20 13:31:25 +02:00
commit b73e830e75
5 changed files with 41 additions and 25 deletions
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7
akka-docs/rst/java/cluster-client.rst
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@ -54,9 +54,10 @@ to the named topic.
Response messages from the destination actor are tunneled via the receptionist
to avoid inbound connections from other cluster nodes to the client, i.e.
the ``sender()``, as seen by the destination actor, is not the client itself.
The ``sender()`` of the response messages, as seen by the client, is preserved
as the original sender(), so the client can choose to send subsequent messages
directly to the actor in the cluster.
The ``sender()`` of the response messages, as seen by the client, is ``deadLetters``
since the client should normally send subsequent messages via the ``ClusterClient``.
It is possible to pass the the original sender inside the reply messages if
the client is supposed to communicate directly to the actor in the cluster.
While establishing a connection to a receptionist the ``ClusterClient`` will buffer
messages and send them when the connection is established. If the buffer is full