public GuidId CreateSubscriptionId(StreamId streamId, IStreamConsumerExtension streamConsumer)
{
GrainId grainId = GrainExtensions.GetGrainId(streamConsumer);
Guid subscriptionGuid;
if (!implicitTable.TryGetImplicitSubscriptionGuid(grainId, streamId, out subscriptionGuid))
{
throw new ArgumentOutOfRangeException(streamId.ToString(), "Only implicit subscriptions are supported.");
}
return(GuidId.GetGuidId(subscriptionGuid));
}
public GuidId CreateSubscriptionId(IAddressable requesterAddress, StreamId streamId)
{
GrainId grainId = GrainExtensions.GetGrainId(requesterAddress);
Guid subscriptionId;
if (!implicitPubSub.TryGetImplicitSubscriptionGuid(grainId, streamId, out subscriptionId))
{
subscriptionId = SubscriptionMarker.MarkAsExplicitSubscriptionId(Guid.NewGuid());
}
return(GuidId.GetGuidId(subscriptionId));
}
public GuidId CreateSubscriptionId(IAddressable requesterAddress, StreamId streamId)
{
GrainId grainId = GrainExtensions.GetGrainId(requesterAddress);
// If there is an implicit subscription setup for the provided grain on this provided stream, subscription should match the stream Id.
// If there is no implicit subscription setup, generate new random unique subscriptionId.
// TODO: Replace subscription id with statically generated subscriptionId instead of getting it from the streamId.
return(implicitPubSub.IsImplicitSubscriber(grainId, streamId)
? GuidId.GetGuidId(grainId.GetPrimaryKey())
: GuidId.GetNewGuidId());
}
public async Task <ISet <PubSubSubscriptionState> > RegisterProducer(StreamId streamId, string streamProvider, IStreamProducerExtension streamProducer)
{
ISet <PubSubSubscriptionState> result = await explicitPubSub.RegisterProducer(streamId, streamProvider, streamProducer);
if (String.IsNullOrWhiteSpace(streamId.Namespace))
{
return(result);
}
ISet <IStreamConsumerExtension> implicitSet = implicitPubSub.GetImplicitSubscribers(streamId);
foreach (var consumer in implicitSet)
{
// we ignore duplicate entries-- there's no way a programmer could prevent the duplicate entry from being added if we threw an exception to communicate the problem.
GuidId subscriptionId = GuidId.GetGuidId(GrainExtensions.GetGrainId(consumer).GetPrimaryKey());
result.Add(new PubSubSubscriptionState(subscriptionId, streamId, consumer, null, null));
}
return(result);
}
internal bool IsImplicitSubscriber(IAddressable addressable, StreamId streamId)
{
return(implicitTable.IsImplicitSubscriber(GrainExtensions.GetGrainId(addressable), streamId));
}
private bool IsImplicitSubscriber(IAddressable addressable, StreamId streamId)
{
return(implicitPubSub.IsImplicitSubscriber(GrainExtensions.GetGrainId(addressable), streamId));
}