public async Task Unsubscribe(IMessageObserver observer)
{
this.observers.Unsubscribe(observer);
if (this.observers.Count == 0)
{
var manager = PubSubManagerFactory.GetGrain(0);
await manager.Unregister(this);
this.DeactivateOnIdle(); // remove this grain
}
}
public async override Task ActivateAsync()
{
this.observers = new ObserverSubscriptionManager <IMessageObserver>();
this.otherGrains = new IPubSubGrain[] { };
var manager = PubSubManagerFactory.GetGrain(0);
this.otherGrains = await manager.Register(this);
await base.ActivateAsync();
}
public override Task DeactivateAsync()
{
var manager = PubSubManagerFactory.GetGrain(0);
return(manager.Unregister(this));
}
