/// <summary>
/// Appends event to the event stream
/// </summary>
/// <param name="streamId">stream ID</param>
/// <param name="version">version</param>
/// <param name="events">events to append</param>
/// <returns>async void task</returns>
/// <exception cref="DuplicateTransitionException">When concurrency exception</exception>
public async Task AppendEventsAsync(string streamId, int version, IEnumerable <IEvent> events)
{
var items = events.Select(x => _serializer.Serialize(x));
try
{
await Connection.AppendToStreamAsync(streamId, version, items, _credentials);
}
catch (WrongExpectedVersionException e)
{
throw new DuplicateTransitionException(streamId, version, e);
}
catch (AggregateException e)
{
if (e.InnerExceptions.Any(x => x is WrongExpectedVersionException))
{
throw new DuplicateTransitionException(streamId, version, e);
}
}
}
