public virtual async Task <IEventSourcedEntity> GetAsync(Type aggregateType, string streamName, int minRevision = 0, int maxRevision = int.MaxValue)
{
if (streamName.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(streamName));
}
var streamEntries = await persistenceEngine
.LoadStreamEntriesByStreamAsync(streamName)
.ToListAsync();
if (streamEntries.Count == 0)
{
return(null);
}
var instance = (IEventSourcedEntity)instanceProvider.GetInstance(aggregateType);
var events = new List <IEvent>();
for (var i = 0; i < streamEntries.Count; i++)
{
var rawStreamEntry = streamEntries[i];
events.Add((IEvent)persistenceEngine.Serializer.Deserialize(rawStreamEntry.Payload));
}
instance.LoadEvents(events);
return(instance);
}
public async Task Can_save_and_load_stream_entry_by_streamname()
{
var expected = config.WriteModel.GenerateRawStreamEntry();
var number = await persistenceEngine.GetCurrentEventStoreCheckpointNumberAsync();
number.Should().Be(-1);
await persistenceEngine.SaveStreamEntriesAsync(new[] { expected });
var streamEntry = await persistenceEngine.LoadStreamEntriesByStreamAsync(config.RawStreamEntryStreamname)
.FirstAsync();
streamEntry.Payload.Should().Be(expected.Payload);
}