akka.cluster

ClusterEvent

object ClusterEvent

Domain events published to the event bus. Subscribe with:

Cluster(system).subscribe(actorRef, classOf[ClusterDomainEvent])
Source
ClusterEvent.scala
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  1. sealed trait ClusterDomainEvent extends AnyRef

    Marker interface for cluster domain events.

  2. case class ClusterMetricsChanged(nodeMetrics: Set[NodeMetrics]) extends ClusterDomainEvent with Product with Serializable

    Current snapshot of cluster node metrics.

  3. case class CurrentClusterState(members: SortedSet[Member] = ..., unreachable: Set[Member] = ..., seenBy: Set[Address] = ..., leader: Option[Address] = scala.None, roleLeaderMap: Map[String, Option[Address]] = ...) extends Product with Serializable

    Current snapshot state of the cluster.

  4. case class LeaderChanged(leader: Option[Address]) extends ClusterDomainEvent with Product with Serializable

    Leader of the cluster members changed.

  5. sealed trait MemberEvent extends ClusterDomainEvent

    Marker interface for membership events.

  6. case class MemberExited(member: Member) extends MemberEvent with Product with Serializable

    Member status changed to MemberStatus.Exiting and will be removed when all members have seen the Exiting status.

  7. case class MemberRemoved(member: Member, previousStatus: MemberStatus) extends MemberEvent with Product with Serializable

    Member completely removed from the cluster.

  8. case class MemberUp(member: Member) extends MemberEvent with Product with Serializable

    Member status changed to Up.

  9. sealed trait ReachabilityEvent extends ClusterDomainEvent

    Marker interface to facilitate subscription of both UnreachableMember and ReachableMember.

  10. case class ReachableMember(member: Member) extends ReachabilityEvent with Product with Serializable

    A member is considered as reachable by the failure detector after having been unreachable.

  11. case class RoleLeaderChanged(role: String, leader: Option[Address]) extends ClusterDomainEvent with Product with Serializable

    First member (leader) of the members within a role set changed.

  12. sealed abstract class SubscriptionInitialStateMode extends AnyRef

  13. case class UnreachableMember(member: Member) extends ReachabilityEvent with Product with Serializable

    A member is considered as unreachable by the failure detector.

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  6. object InitialStateAsEvents extends SubscriptionInitialStateMode with Product with Serializable

    When using this subscription mode the events corresponding to the current state will be sent to the subscriber to mimic what you would have seen if you were listening to the events when they occurred in the past.

  7. object InitialStateAsSnapshot extends SubscriptionInitialStateMode with Product with Serializable

    When using this subscription mode a snapshot of akka.cluster.ClusterEvent.CurrentClusterState will be sent to the subscriber as the first message.

  8. final def asInstanceOf[T0]: T0

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  15. def initialStateAsEvents: InitialStateAsEvents.type

    Java API

  16. def initialStateAsSnapshot: InitialStateAsSnapshot.type

    Java API

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