/// <summary>
/// TBD
/// </summary>
/// <param name="subscriber">TBD</param>
/// <param name="subscription">TBD</param>
/// <exception cref="SignalThrewException">TBD</exception>
internal static void TryOnSubscribe(IUntypedSubscriber subscriber, ISubscription subscription)
{
try
{
subscriber.OnSubscribe(subscription);
}
catch (Exception e)
{
throw new SignalThrewException($"{subscriber}.OnSubscribe", e);
}
}
/// <summary>
/// TBD
/// </summary>
/// <param name="subscriber">TBD</param>
/// <exception cref="SignalThrewException">TBD</exception>
internal static void TryOnComplete(IUntypedSubscriber subscriber)
{
try
{
subscriber.OnComplete();
}
catch (Exception e)
{
throw new SignalThrewException($"{subscriber}.OnComplete", e);
}
}
/// <summary>
/// TBD
/// </summary>
/// <param name="subscriber">TBD</param>
/// <param name="element">TBD</param>
/// <exception cref="SignalThrewException">TBD</exception>
internal static void TryOnNext(IUntypedSubscriber subscriber, object element)
{
RequireNonNullElement(element);
try
{
subscriber.OnNext(element);
}
catch (Exception e)
{
throw new SignalThrewException($"{subscriber}.OnNext", e);
}
}
private void SubscribePending(IEnumerable <IUntypedSubscriber> subscribers)
{
foreach (var subscriber in subscribers)
{
if (ReferenceEquals(Subscriber, null))
{
Subscriber = subscriber;
ReactiveStreamsCompliance.TryOnSubscribe(subscriber, CreateSubscription());
}
else
{
ReactiveStreamsCompliance.RejectAdditionalSubscriber(subscriber, GetType().Name);
}
}
}
/// <summary>
/// TBD
/// </summary>
/// <param name="subscriber">TBD</param>
/// <param name="cause">TBD</param>
/// <exception cref="IllegalStateException">TBD</exception>
/// <exception cref="SignalThrewException">TBD</exception>
internal static void TryOnError(IUntypedSubscriber subscriber, Exception cause)
{
if (cause is ISpecViolation)
{
throw new IllegalStateException("It's illegal to try to signal OnError with a spec violation", cause);
}
try
{
subscriber.OnError(cause);
}
catch (Exception e)
{
throw new SignalThrewException($"{subscriber}.OnError", e);
}
}
/// <summary> /// TBD /// </summary> /// <param name="subscriber">TBD</param> public abstract void Subscribe(IUntypedSubscriber subscriber);
/// <summary>
/// TBD
/// </summary>
/// <param name="subscriber">TBD</param>
public override void Subscribe(IUntypedSubscriber subscriber)
{
_publisher.Subscribe(UntypedSubscriber.ToTyped <T>(subscriber));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="subscriber">TBD</param>
/// <param name="rejector">TBD</param>
internal static void RejectAdditionalSubscriber(IUntypedSubscriber subscriber, string rejector)
{
TryOnSubscribe(subscriber, CancelledSubscription.Instance);
TryOnError(subscriber, new IllegalStateException(rejector + " " + SupportsOnlyASingleSubscriber));
}
/// <summary>
/// TBD
/// </summary>
/// <typeparam name="T">TBD</typeparam>
/// <param name="untypedSubscriber">TBD</param>
/// <returns>TBD</returns>
public static ISubscriber <T> ToTyped <T>(IUntypedSubscriber untypedSubscriber)
{
return((ISubscriber <T>)ToTyped(untypedSubscriber));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="subscriber">TBD</param>
/// <param name="demand">TBD</param>
/// <param name="lifecycleState">TBD</param>
public State(IUntypedSubscriber subscriber, long demand, LifecycleState lifecycleState)
{
Subscriber = subscriber;
Demand = demand;
LifecycleState = lifecycleState;
}