public async virtual Task BecomeConsumer(Guid streamId, string providerToUse, string streamNamespace)
{
_providerToUse = providerToUse;
ConsumerObserver consumerObserver = ConsumerObserver.NewObserver(_logger);
await consumerObserver.BecomeConsumer(streamId, this.GetStreamProvider(providerToUse), streamNamespace);
_observers.Add(consumerObserver);
}
public async Task BecomeConsumer(Guid streamGuid, string providerToUse, string streamNamespace)
{
if (_observers.ContainsKey(providerToUse))
{
throw new InvalidOperationException(string.Format("consumer already established for provider {0}.", providerToUse));
}
if (string.IsNullOrWhiteSpace(streamNamespace))
{
throw new ArgumentException("namespace is required (must not be null or whitespace)", "streamNamespace");
}
ConsumerObserver consumerObserver = ConsumerObserver.NewObserver(_logger);
await consumerObserver.BecomeConsumer(streamGuid, this.GetStreamProvider(providerToUse), streamNamespace);
_observers[providerToUse] = consumerObserver;
}
public async Task BecomeConsumer(Guid streamId, string providerToUse, string streamNamespace)
{
_providerToUseForConsumer = providerToUse;
_consumer = ConsumerObserver.NewObserver(this._logger);
await _consumer.BecomeConsumer(streamId, this.GetStreamProvider(providerToUse), streamNamespace);
}