public ClusterReadView(Cluster cluster)
{
_cluster = cluster;
_state = new ClusterEvent.CurrentClusterState();
_reachability = Reachability.Empty;
_latestStats = new ClusterEvent.CurrentInternalStats(new GossipStats(), new VectorClockStats());
_selfAddress = cluster.SelfAddress;
_eventBusListener =
cluster.System.SystemActorOf(
Props.Create(() => new EventBusListener(cluster, this))
.WithDispatcher(cluster.Settings.UseDispatcher)
.WithDeploy(Deploy.Local), "clusterEventBusListener");
}
public ReachabilityChanged(Reachability reachability)
{
_reachability = reachability;
}
public Reachability Merge(IEnumerable<UniqueAddress> allowed, Reachability other)
{
var recordBuilder = ImmutableList.CreateBuilder<Record>();
//TODO: Size hint somehow?
var newVersions = _versions;
foreach (var observer in allowed)
{
var observerVersion1 = CurrentVersion(observer);
var observerVersion2 = other.CurrentVersion(observer);
var rows1 = ObserverRows(observer);
var rows2 = other.ObserverRows(observer);
if (rows1 != null && rows2 != null)
{
var rows = observerVersion1 > observerVersion2 ? rows1 : rows2;
foreach(var record in rows.Values.Where(r => allowed.Contains(r.Subject)))
recordBuilder.Add(record);
}
if (rows1 != null && rows2 == null)
{
if(observerVersion1 > observerVersion2)
foreach (var record in rows1.Values.Where(r => allowed.Contains(r.Subject)))
recordBuilder.Add(record);
}
if (rows1 == null && rows2 != null)
{
if (observerVersion2 > observerVersion1)
foreach (var record in rows2.Values.Where(r => allowed.Contains(r.Subject)))
recordBuilder.Add(record);
}
if (observerVersion2 > observerVersion1)
newVersions = newVersions.SetItem(observer, observerVersion2);
}
newVersions = ImmutableDictionary.CreateRange(newVersions.Where(p => allowed.Contains(p.Key)));
return new Reachability(recordBuilder.ToImmutable(), newVersions);
}
public ReachabilityChanged(Reachability reachability)
{
_reachability = reachability;
}
/// <summary>
/// TBD
/// </summary>
/// <param name="seen">TBD</param>
/// <param name="reachability">TBD</param>
/// <returns>TBD</returns>
public GossipOverview Copy(ImmutableHashSet <UniqueAddress> seen = null, Reachability reachability = null)
{
return(new GossipOverview(seen ?? _seen, reachability ?? _reachability));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="seen">TBD</param>
/// <param name="reachability">TBD</param>
public GossipOverview(ImmutableHashSet <UniqueAddress> seen, Reachability reachability)
{
_seen = seen;
_reachability = reachability;
}
/// <summary>
/// TBD
/// </summary>
/// <param name="reachability">TBD</param>
public GossipOverview(Reachability reachability) : this(ImmutableHashSet.Create <UniqueAddress>(), reachability)
{
}
public GossipOverview Copy(ImmutableHashSet<UniqueAddress> seen = null, Reachability reachability = null)
{
return new GossipOverview(seen ?? _seen, reachability ?? _reachability);
}
public GossipOverview(ImmutableHashSet<UniqueAddress> seen, Reachability reachability)
{
_seen = seen;
_reachability = reachability;
}
public GossipOverview(Reachability reachability) : this(ImmutableHashSet.Create<UniqueAddress>(), reachability) { }
