How to use actor singleton?

[akhil]

Hi,

I went through other posts and docs on ClusterSingletonManager but a little confused how to use it?

I have created an actor using:

system.actorOf(ClusterSingletonManager.props(

      singletonProps = handOverData => Props(classOf[TestSI]),

      singletonName = "master",

      terminationMessage = PoisonPill,

      role = Some("worker")),

      name = "singleton")

How do I send message to this actor?

Akhil

[√iktor Ҡlang]

Hi, (Just off the top of my head so I may be wrong here)

have you tried to store the resulting ActorRef in a val and sending it the message?

val singleton = system.actorOf(ClusterSingletonManager.props(…), )

singleton ! "my message"

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Viktor Klang

Chief Architect - Typesafe

Twitter: @viktorklang

[akhil]

Yes...doesn't work

[Patrik Nordwall]

Hi Akhil,

Read the following sections of the documentation carefully, and ask again if that is unclear...

http://doc.akka.io/docs/akka/2.2.3/contrib/cluster-singleton.html

"You access the singleton actor with..."

"With the names given above the path of singleton actor can be constructed"

/Patrik

PS. Personally, I find it most convenient to register the singleton actor in the replicated registry, but I understand if you might find that one too many component to start with.

PS2. Perhaps we should provide this singleton proxy out of the box, and the usage could be exactly as Viktor proposed.

Patrik Nordwall
Typesafe -  Reactive apps on the JVM
Twitter: @patriknw

[Akhil Kodali]

Hi Patrik,

I had to write the proxy based on ConsumerProxy in the doc to use it. I was wondering if there was any other ways of doing it?

Akhil

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Regards,
Akhil Kodali

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[Patrik Nordwall]

On Wed, Jan 22, 2014 at 9:45 PM, Akhil Kodali <akhil....@gmail.com> wrote:

Hi Patrik,

I had to write the proxy based on ConsumerProxy in the doc to use it. I was wondering if there was any other ways of doing it?

That is the way to do it. The alternative is to let it publish its existence with for example: http://doc.akka.io/docs/akka/2.2.3/contrib/distributed-pub-sub.html

/Patrik