public void Setup()
{
_persistenceClient = A.Fake <IEventPersistenceClient>();
_streamingClient = A.Fake <IEventStreamingClient>();
A.CallTo(() => _streamingClient.GetAllEventsStream())
.Returns(_allEventsSubject.AsObservable());
A.CallTo(() => _streamingClient.ConnectionStateChanged)
.Returns(Observable.Return(StreamingConnectionState.Connected));
}
private async Task Initialize()
{
// Initialize the streaming subscription
_eventSubscription.Disposable = _eventStreamingClient.GetAllEventsStream()
.Where(ev => SubscribedEventTypes.ContainsKey(ev.Type))
.Subscribe(async e =>
{
_bufferedEvents.Push(e);
if (_retrievedStateOfTheWorld)
{
await ProcessBufferedEvents();
}
});
// Retrieve the state of the world & process its events
var events = await RetrievePersistedEvents();
events.ForEach(async e => await ProcessEvent(e));
// Process any streamed events that were buffered meanwhile
_retrievedStateOfTheWorld = true;
await ProcessBufferedEvents();
}
