private void RequestEvents(bool delay)
{
if (_disposed) throw new InvalidOperationException("Disposed");
if (_eventsRequested)
throw new InvalidOperationException("Read operation is already in progress");
if (_pauseRequested || _paused)
throw new InvalidOperationException("Paused or pause requested");
_eventsRequested = true;
var readEventsForward = new ClientMessage.ReadStreamEventsForward(
_distibutionPointCorrelationId, new SendToThisEnvelope(this), _streamName, _fromSequenceNumber,
_maxReadCount, _resolveLinkTos);
if (delay)
_publisher.Publish(
TimerMessage.Schedule.Create(
TimeSpan.FromMilliseconds(250), new PublishEnvelope(_publisher, crossThread: true), readEventsForward));
else
_publisher.Publish(readEventsForward);
}
public Task<StreamEventsSlice> ReadStreamEventsForwardAsync(string stream, int start, int count, bool resolveLinkTos, UserCredentials userCredentials = null)
{
Ensure.NotNullOrEmpty(stream, "stream");
Ensure.Nonnegative(start, "start");
Ensure.Positive(count, "count");
var source = new TaskCompletionSource<StreamEventsSlice>();
var envelope = new EmbeddedResponseEnvelope(new EmbeddedResponders.ReadStreamForwardEvents(source, stream, start));
Guid corrId = Guid.NewGuid();
var message = new ClientMessage.ReadStreamEventsForward(corrId, corrId, envelope,
stream, start, count, resolveLinkTos, false, null, SystemAccount.Principal);
_publisher.Publish(message);
return source.Task;
}
private void RequestEvents(string stream, bool delay)
{
if (_disposed) throw new InvalidOperationException("Disposed");
if (_pauseRequested || _paused)
throw new InvalidOperationException("Paused or pause requested");
if (_eventsRequested.Contains(stream))
return;
Queue<Tuple<EventRecord, EventRecord, float>> queue;
if (_buffers.TryGetValue(stream, out queue) && queue.Count > 0)
return;
_eventsRequested.Add(stream);
var readEventsForward = new ClientMessage.ReadStreamEventsForward(
_distibutionPointCorrelationId, new SendToThisEnvelope(this), stream, _fromPositions.Streams[stream],
_maxReadCount, _resolveLinkTos);
if (delay)
_publisher.Publish(
TimerMessage.Schedule.Create(
TimeSpan.FromMilliseconds(250), new PublishEnvelope(_publisher, crossThread: true),
readEventsForward));
else
_publisher.Publish(readEventsForward);
}