Class JoinSeedNodeProcess

  extended by akka.cluster.JoinSeedNodeProcess
All Implemented Interfaces:
Actor, ActorLogging

public final class JoinSeedNodeProcess
extends java.lang.Object
implements Actor, ActorLogging


Sends InitJoin to all seed nodes (except itself) and expect InitJoinAck reply back. The seed node that replied first will be used, joined to. InitJoinAck replies received after the first one are ignored.

Retries if no InitJoinAck replies are received within the SeedNodeTimeout. When at least one reply has been received it stops itself after an idle SeedNodeTimeout.

The seed nodes can be started in any order, but they will not be "active", until they have been able to join another seed node (seed1). They will retry the join procedure. So one possible startup scenario is: 1. seed2 started, but doesn't get any ack from seed1 or seed3 2. seed3 started, doesn't get any ack from seed1 or seed3 (seed2 doesn't reply) 3. seed1 is started and joins itself 4. seed2 retries the join procedure and gets an ack from seed1, and then joins to seed1 5. seed3 retries the join procedure and gets acks from seed2 first, and then joins to seed2

Nested Class Summary
Nested classes/interfaces inherited from interface akka.actor.Actor
Constructor Summary
JoinSeedNodeProcess(scala.collection.immutable.IndexedSeq<Address> seedNodes)
Method Summary
 scala.PartialFunction<java.lang.Object,scala.runtime.BoxedUnit> done()
 void preStart()
          User overridable callback.
 scala.PartialFunction<java.lang.Object,scala.runtime.BoxedUnit> receive()
          This defines the initial actor behavior, it must return a partial function with the actor logic.
 Address selfAddress()
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface akka.actor.Actor
aroundPostRestart, aroundPostStop, aroundPreRestart, aroundPreStart, aroundReceive, context, postRestart, postStop, preRestart, self, sender, supervisorStrategy, unhandled
Methods inherited from interface akka.actor.ActorLogging
_log, log

Constructor Detail


public JoinSeedNodeProcess(scala.collection.immutable.IndexedSeq<Address> seedNodes)
Method Detail


public Address selfAddress()


public void preStart()
Description copied from interface: Actor
User overridable callback.

Is called when an Actor is started. Actors are automatically started asynchronously when created. Empty default implementation.

Specified by:
preStart in interface Actor


public scala.PartialFunction<java.lang.Object,scala.runtime.BoxedUnit> receive()
Description copied from interface: Actor
This defines the initial actor behavior, it must return a partial function with the actor logic.

Specified by:
receive in interface Actor


public scala.PartialFunction<java.lang.Object,scala.runtime.BoxedUnit> done()