public async Task ReadEventsAsync()
{
ConnectionState.EnsureConnectionIsActive();
if (m_streamCursor.EndOfStream)
{
throw new InvalidOperationException("Stream \"{0}\" is empty.".FormatString(StreamName));
}
await m_streamCursor.FetchSlice();
m_readedEvents = new List <JournaledEvent>(m_streamCursor.Slice.Count);
foreach (var journaledEvent in m_streamCursor.Slice)
{
m_readedEvents.Add(m_mutationPipeline.Mutate(journaledEvent));
}
}
public async Task AppendEventsAsync(IReadOnlyCollection <JournaledEvent> events)
{
Require.NotNull(events, "events");
ConnectionState.EnsureConnectionIsActive();
if (events.Count == 0)
{
return;
}
var fromVersion = m_endOfStream.Version;
var mutatedEvents = new List <JournaledEvent>(events.Count);
mutatedEvents.AddRange(events.Select(journaledEvent => m_mutationPipeline.Mutate(journaledEvent)));
await m_pendingNotification.AddAsync(StreamName, fromVersion, mutatedEvents.Count);
m_endOfStream = await m_journal.AppendEventsAsync(StreamName, m_endOfStream, mutatedEvents);
await m_notificationHub.NotifyAsync(new EventStreamUpdated(StreamName, fromVersion, m_endOfStream.Version));
await m_pendingNotification.DeleteAsync(StreamName, fromVersion);
}