protected override async Task ConnectAsync()
{
//Get subscription position
_position = await _subscriptionManager.GetSubscriptionPosition(_subscriptionId, true);
_store = await _storeProvider.GetStreamStore();
if (_streamId == null)
{
_allSubscription = _store.SubscribeToAll(_position,
HandleSubscriptionEvent,
HandleSubscriptionDropped);
_status = SubscriptionConnectionStatus.Connected;
_startDate = DateTime.UtcNow;
}
else
{
int?intPos = (_position != null) ? Convert.ToInt32(_position) : default(int?);
_subscription = _store.SubscribeToStream(_streamId.Id, intPos,
HandleSubscriptionEvent,
HandleSubscriptionDropped);
_status = SubscriptionConnectionStatus.Connected;
_startDate = DateTime.UtcNow;
}
}
private void HandleSubscriptionDropped(IStreamSubscription subscription, SubscriptionDroppedReason reason, Exception exception = null)
{
if (_cancellationRequestedByUser)
{
_logger.LogInformation($"Subscription stopped by user: {subscription.Name}");
_connected = false;
return;
}
if (exception != null)
{
_logger.LogError(exception, $"{subscription.Name} subscription dropped: {reason.ToString()}");
}
else
{
_logger.LogError($"{subscription.Name} subscription dropped: {reason.ToString()}");
}
_connected = false;
}
protected override async Task ConnectAsync()
{
_store = await _storeProvider.GetStreamStore();
if (_streamId == null)
{
_allSubscription = _store.SubscribeToAll(
_startPosition == StreamPosition.End ? -1 : 0,
(_, message, cancellationToken) =>
{
return(HandleEvent(message, cancellationToken));
},
(sub, reason, ex) =>
{
HandleSubscriptionDropped(sub, reason, ex);
});
_status = SubscriptionConnectionStatus.Connected;
_startDate = DateTime.UtcNow;
}
else
{
_streamSubscription = _store.SubscribeToStream(
_streamId.Id,
_startPosition == StreamPosition.End ? -1 : 0,
(_, message, cancellationToken) =>
{
return(HandleEvent(message, cancellationToken));
},
(sub, reason, ex) =>
{
HandleSubscriptionDropped(sub, reason, ex);
});
_status = SubscriptionConnectionStatus.Connected;
_startDate = DateTime.UtcNow;
}
}
private Task HandleSubscriptionEvent(IStreamSubscription subscription, StreamMessage message, CancellationToken token)
{
return(HandleEvent(message, token));
}
