public async Task <TAggregateRoot> GetByIdentityAsync(AggregateRootIdentity identity)
{
Contract.Assume(identity != null);
var eventStream = await _eventStore.GetEventStreamAsync <TAggregateRoot>(identity);
// build aggregate root from event stream
var aggregateRoot = _eventStreamProcessor.Process(eventStream);
// set external state tracker
aggregateRoot.State.ExternalStateTracker = new EventProviderStateTracker(eventStream.EventProvider, eventStream.LatestVersion, _guidGenerator);
return(aggregateRoot);
}
static void Main(string[] args)
{
_eventStream = EventStreamBuilder.Configure(c =>
{
c.WithPersistantStore(_store);
c.ScanAssemblyWithType <Program>();
})
.BuildWithProcessor(TimeSpan.FromMinutes(5));
Console.WriteLine("Streaming events...");
_eventStream
.Process(new SensorOnline("CPU"))
.Process(new SensorDataReceived(45.3m))
.Process(new SensorDataReceived(42.6m))
.Process(new SensorDataReceived(40.1m))
.Process(new SensorDataReceived(40.1m))
.Process(new SensorDataReceived(40.1m))
.Process(new SensorDataReceived(39m))
.Process(new SensorOffline())
.Process(new SensorOnline("CPU"))
.Process(new SensorDataReceived(40.5m))
.Process(new SensorOffline());
_eventStream.Shutdown();
Console.WriteLine("Done receiving events");
var eventsStored = _store.GetEvents();
Console.WriteLine($"{eventsStored.Count()} events written to persistance store");
}