public Task <List <StreamSubscription> > GetAllSubscriptions(StreamId streamId, IStreamConsumerExtension streamConsumer = null)
{
if (!ImplicitStreamSubscriberTable.IsImplicitSubscribeEligibleNameSpace(streamId.Namespace))
{
return(Task.FromResult(new List <StreamSubscription>()));
}
if (streamConsumer != null)
{
var subscriptionId = CreateSubscriptionId(streamId, streamConsumer);
var grainId = streamConsumer as GrainReference;
return(Task.FromResult(new List <StreamSubscription>
{
new StreamSubscription(subscriptionId.Guid, streamId.ProviderName, streamId, grainId.GrainId)
}));
}
else
{
var implicitConsumers = this.implicitTable.GetImplicitSubscribers(streamId, grainFactory);
var subscriptions = implicitConsumers.Select(consumer =>
{
var grainRef = consumer.Value as GrainReference;
var subId = consumer.Key;
return(new StreamSubscription(subId, streamId.ProviderName, streamId, grainRef.GrainId));
}).ToList();
return(Task.FromResult(subscriptions));
}
}
public Task <ISet <PubSubSubscriptionState> > RegisterProducer(StreamId streamId, string streamProvider, IStreamProducerExtension streamProducer)
{
ISet <PubSubSubscriptionState> result = new HashSet <PubSubSubscriptionState>();
if (!ImplicitStreamSubscriberTable.IsImplicitSubscribeEligibleNameSpace(streamId.Namespace))
{
return(Task.FromResult(result));
}
IDictionary <Guid, IStreamConsumerExtension> implicitSubscriptions = implicitTable.GetImplicitSubscribers(streamId, this.grainFactory);
foreach (var kvp in implicitSubscriptions)
{
GuidId subscriptionId = GuidId.GetGuidId(kvp.Key);
result.Add(new PubSubSubscriptionState(subscriptionId, streamId, kvp.Value));
}
return(Task.FromResult(result));
}