private async Task UnsubscribeFromAttribute(DataSubscription subscription)
{
var series = GrainClient.GrainFactory.GetGrain <IAttributeSeriesGrain>(SeriesIdHelper.ToCalculationSeriesId(subscription.Entity, subscription.Attribute));
var observerRef = await GrainClient.GrainFactory.CreateObjectReference <ISeriesObserver>(subscription.Observer);
await series.Unsubscribe(observerRef);
}
private async Task <DataSubscription> SubscribeToAttribute(string socketId, DataSubscription subscription)
{
var series = GrainClient.GrainFactory.GetGrain <IAttributeSeriesGrain>(SeriesIdHelper.ToAttributeSeriesId(subscription.Entity, subscription.Attribute));
subscription.Observer = new SeriesObserver(socketId, this);
var observerRef = await GrainClient.GrainFactory.CreateObjectReference <ISeriesObserver>(subscription.Observer);
await series.Subscribe(observerRef);
return(subscription);
}
public override bool Equals(object obj)
{
DataSubscription subscription = obj as DataSubscription;
return(subscription != null && subscription.Entity == Entity && subscription.Attribute == Attribute);
}