/// <summary>
/// Initializes a new instance of the <see cref="ClusterClient" /> class.
/// </summary>
/// <param name="settings">The settings used to configure the client.</param>
/// <exception cref="ArgumentException">
/// This exception is thrown when the settings contains no initial contacts.
/// </exception>
public ClusterClient(ClusterClientSettings settings)
{
if (settings.InitialContacts.Count == 0)
{
throw new ArgumentException("Initial contacts for cluster client cannot be empty");
}
_settings = settings;
_failureDetector = new DeadlineFailureDetector(_settings.AcceptableHeartbeatPause, _settings.HeartbeatInterval);
_contactPaths = settings.InitialContacts.ToImmutableHashSet();
_initialContactsSelections = _contactPaths.Select(Context.ActorSelection).ToArray();
_contacts = _initialContactsSelections;
SendGetContacts();
_contactPathsPublished = ImmutableHashSet <ActorPath> .Empty;
_subscribers = ImmutableList <IActorRef> .Empty;
_heartbeatTask = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(
settings.HeartbeatInterval,
settings.HeartbeatInterval,
Self,
HeartbeatTick.Instance,
Self);
_refreshContactsCancelable = null;
ScheduleRefreshContactsTick(settings.EstablishingGetContactsInterval);
Self.Tell(RefreshContactsTick.Instance);
_buffer = new Queue <Tuple <object, IActorRef> >();
}
private void UpdateClientInteractions(IActorRef client)
{
if (_clientInteractions.TryGetValue(client, out var failureDetector))
{
failureDetector.HeartBeat();
}
else
{
failureDetector = new DeadlineFailureDetector(_settings.AcceptableHeartbeatPause, _settings.HeartbeatInterval);
failureDetector.HeartBeat();
_clientInteractions = _clientInteractions.Add(client, failureDetector);
_log.Debug($"Received new contact from [{client.Path}]");
var clusterClientUp = new ClusterClientUp(client);
_subscribers.ForEach(s => s.Tell(clusterClientUp));
_clientsPublished = _clientInteractions.Keys.ToImmutableHashSet();
}
}
public ClusterClient(ClusterClientSettings settings)
{
if (!settings.InitialContacts.Any())
{
throw new ArgumentException("Initial contacts for cluster client cannot be empty");
}
Settings = settings;
_failureDetector = new DeadlineFailureDetector(Settings.AcceptableHeartbeatPause, () => Settings.HeartbeatInterval.Ticks);
_initialContactsSelections = settings.InitialContacts.Select(Context.ActorSelection).ToArray();
_contacts = _initialContactsSelections;
_buffer = new Queue <Tuple <object, IActorRef> >();
SendGetContacts();
_heartbeatCancelable = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(
settings.HeartbeatInterval, settings.HeartbeatInterval, Self, InternalMessage.HeartbeatTick, Self);
ScheduleRefreshContactsTick(settings.EstablishingGetContactsInterval);
Self.Tell(InternalMessage.RefreshContactsTick);
}
