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#159 filter selfnode from nodeslist #162

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May 2, 2017
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#159 filter selfnode from nodeslist #162

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10 changes: 8 additions & 2 deletions core/src/main/scala/de/heikoseeberger/constructr/ConstructrMachine.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -112,13 +112,19 @@ final class ConstructrMachine(
onTransition {
case _ -> State.GettingNodes =>
log.debug("Transitioning to GettingNodes")
coordination.getNodes().pipeTo(self)
coordination.getNodes().map { nodes =>
if(nodes.contains(selfNode))
log.warning(s"Selfnode received in list of nodes $nodes. Will filter to prevent forming an island.")

nodes.filterNot(_ == selfNode)
} pipeTo self
}

when(State.GettingNodes, coordinationTimeout) {
case Event(nodes: Set[Address] @unchecked, _) if nodes.isEmpty =>
log.debug("Received empty nodes, going to Locking")
goto(State.Locking).using(stateData.copy(nrOfRetriesLeft = nrOfRetries))
goto(State.Locking)
.using(stateData.copy(nrOfRetriesLeft = nrOfRetries))

case Event(nodes: Set[Address] @unchecked, _) =>
log.debug(s"Received nodes $nodes, going to Joining")
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