/// <summary>
/// Registers a Service or Actor <paramref name="reference"/> as subscriber for messages of type <paramref name="messageTypeName"/>
/// </summary>
/// <param name="reference">Reference to the Service or Actor to register.</param>
/// <param name="messageTypeName">Full type name of message object.</param>
/// <param name="isOrdered"></param>
/// <returns></returns>
public async Task SubscribeAsync(ReferenceWrapper reference, string messageTypeName, bool isOrdered = true)
{
await WaitForInitializeAsync(CancellationToken.None);
var brokerState = await TimeoutRetryHelper.Execute((token, state) => StateManager.GetOrAddAsync <IReliableDictionary <string, BrokerServiceState> >(messageTypeName));
await TimeoutRetryHelper.ExecuteInTransaction(StateManager, async (tx, token, state) =>
{
var subscriptionDetails = new SubscriptionDetails(reference, messageTypeName, isOrdered);
var subscription = await _subscriptionFactory.CreateAsync(tx, subscriptionDetails);
await brokerState.AddOrUpdateSubscription(tx, Subscribers, subscriptionDetails);
_subscriptions.AddOrUpdate(subscriptionDetails.QueueName, subscription, (key, old) => subscription);
ServiceEventSourceMessage($"Registered subscriber: {reference.Name}");
await _brokerEventsManager.OnSubscribedAsync(subscriptionDetails.QueueName, reference, messageTypeName);
}, cancellationToken : CancellationToken.None);
}
