public async Task SubscribeAsync(CancellationToken cancellationToken)
{
if (_isSubscribing)
{
throw new InvalidOperationException("Already subscribing.");
}
_isSubscribing = true;
var tasks = new List <Task>();
// One subscription listener for each region.
foreach (var subStreamId in _options.SubscriptionStreamIds)
{
tasks.Add(_subscriptionListener.ListenAsync(subStreamId.RegionId, subStreamId.StreamId, cancellationToken));
}
tasks.Add(_resolutionManager.ManageAsync(cancellationToken));
tasks.Add(_sortingManager.ManageAsync(cancellationToken));
tasks.Add(_handlingManager.ManageAsync(cancellationToken));
tasks.Add(cancellationToken.WaitHandle.AsTask());
await Task.WhenAny(tasks);
_isSubscribing = false;
}
