public EventBusListener(Cluster cluster, ClusterReadView readView)
{
_cluster = cluster;
_readView = readView;
Receive<ClusterEvent.IClusterDomainEvent>(clusterDomainEvent =>
{
clusterDomainEvent.Match()
.With<ClusterEvent.SeenChanged>(changed =>
{
State = State.Copy(seenBy: changed.SeenBy);
})
.With<ClusterEvent.ReachabilityChanged>(changed =>
{
_readView._reachability = changed.Reachability;
})
.With<ClusterEvent.MemberRemoved>(removed =>
{
State = State.Copy(members: State.Members.Remove(removed.Member),
unreachable: State.Unreachable.Remove(removed.Member));
})
.With<ClusterEvent.UnreachableMember>(member =>
{
// replace current member with new member (might have different status, only address is used in == comparison)
State = State.Copy(unreachable: State.Unreachable.Remove(member.Member).Add(member.Member));
})
.With<ClusterEvent.ReachableMember>(member =>
{
State = State.Copy(unreachable: State.Unreachable.Remove(member.Member));
})
.With<ClusterEvent.IMemberEvent>(memberEvent =>
{
var newUnreachable = State.Unreachable;
// replace current member with new member (might have different status, only address is used in == comparison)
if (State.Unreachable.Contains(memberEvent.Member))
newUnreachable = State.Unreachable.Remove(memberEvent.Member).Add(memberEvent.Member);
State = State.Copy(
members: State.Members.Remove(memberEvent.Member).Add(memberEvent.Member),
unreachable: newUnreachable);
})
.With<ClusterEvent.LeaderChanged>(changed =>
{
State = State.Copy(leader: changed.Leader);
})
.With<ClusterEvent.RoleLeaderChanged>(changed =>
{
State = State.Copy(roleLeaderMap: State.RoleLeaderMap.SetItem(changed.Role, changed.Leader));
})
.With<ClusterEvent.CurrentInternalStats>(stats =>
{
readView._latestStats = stats;
})
.With<ClusterEvent.ClusterMetricsChanged>(changed =>
{
readView._clusterMetrics = changed.NodeMetrics;
})
.With<ClusterEvent.ClusterShuttingDown>(_ => { });
});
Receive<ClusterEvent.CurrentClusterState>(state =>
{
State = state;
});
}
