public virtual async Task Resume(Actor actor)
{
Requires.NotNull(actor, nameof(actor));
var handles = await GetAllSubscriptionHandles();
if (handles.Count == 0)
{
return;
}
Debug.Assert(handles.Count == 1,
"We should keep only one active subscription per-stream per-actor");
var observer = new Observer((item, token) => actor.OnReceive(item));
await handles[0].ResumeAsync(observer);
}
public virtual async Task Subscribe(Actor actor, StreamFilter filter = null)
{
Requires.NotNull(actor, nameof(actor));
var handles = await GetAllSubscriptionHandles();
if (handles.Count == 1)
{
return;
}
Debug.Assert(handles.Count == 0,
"We should keep only one active subscription per-stream per-actor");
var observer = new Observer((item, token) => actor.OnReceive(item));
var predicate = filter != null ? StreamFilter.Predicate : (StreamFilterPredicate)null;
await Endpoint.SubscribeAsync(observer, null, predicate, filter);
}
public Task <object> OnReceive(Actor actor, object message) => actor.OnReceive(message);
