/// <summary>
/// Unsubscribe from a published actor event.
/// </summary>
/// <typeparam name="TEvent">The type of the event interface.</typeparam>
/// <param name="actorProxy">The actor that publishes the event.</param>
/// <param name="subscriber">The subscriber that receives the event.</param>
/// <returns>A task that represents the asynchronous operation of un-subscribing from a published actor event.</returns>
/// <exception cref="System.ArgumentException">
/// <para>When actorProxy is not of type <see cref="ActorProxy"/></para>.
/// <para>When TEvent doesn't implement <see cref="IActorEvents"/></para>
/// </exception>
public static Task UnsubscribeAsync <TEvent>(this IActorEventPublisher actorProxy, TEvent subscriber)
{
var proxy = actorProxy as ActorProxy;
if (proxy == null)
{
throw new ArgumentException(SR.ActorProxyOnlyMethod, "actorProxy");
}
var eventInterfaceType = GetEventInterface(typeof(TEvent));
if (eventInterfaceType == null)
{
throw new ArgumentException(SR.ErrorEventInterface);
}
return(proxy.UnsubscribeAsync(eventInterfaceType, subscriber));
}
/// <summary>
/// Subscribe to a published actor event.
/// </summary>
/// <typeparam name="TEvent">The type of the event interface.</typeparam>
/// <param name="actorProxy">The actor that publishes the event.</param>
/// <param name="subscriber">The subscriber that receives the events.</param>
/// <param name="resubscriptionInterval">The time between re-subscription attempts.</param>
/// <returns>A task that represents the asynchronous operation of subscribing to a published actor event.</returns>
/// <exception cref="System.ArgumentException">
/// <para>When actorProxy is not of type <see cref="ActorProxy"/></para>.
/// </exception>
public static async Task SubscribeAsync <TEvent>(
this IActorEventPublisher actorProxy,
TEvent subscriber,
TimeSpan resubscriptionInterval) where TEvent : IActorEvents
{
var proxy = actorProxy as ActorProxy;
if (proxy == null)
{
throw new ArgumentException(SR.ActorProxyOnlyMethod, "actorProxy");
}
var eventInterfaceType = GetEventInterface(typeof(TEvent));
if (eventInterfaceType == null)
{
throw new ArgumentException(SR.ErrorEventInterface);
}
await proxy.SubscribeAsync(eventInterfaceType, subscriber, resubscriptionInterval);
}
/// <inheritdoc />
public Task UnsubscribeAsync <TEvent>(IActorEventPublisher actorProxy, TEvent subscriber) where TEvent : IActorEvents
{
return(actorProxy.UnsubscribeAsync(subscriber));
}
/// <summary>
/// Subscribe to a published actor event.
/// </summary>
/// <typeparam name="TEvent">The type of the event interface.</typeparam>
/// <param name="actorProxy">The actor that publishes the event.</param>
/// <param name="subscriber">The subscriber that receives the events.</param>
/// <returns>A task that represents the asynchronous operation of subscribing to a published actor event.</returns>
/// <exception cref="System.ArgumentException">
/// <para>When actorProxy is not of type <see cref="ActorProxy"/></para>.
/// </exception>
public static Task SubscribeAsync <TEvent>(
this IActorEventPublisher actorProxy,
TEvent subscriber) where TEvent : IActorEvents
{
return(SubscribeAsync(actorProxy, subscriber, DefaultResubscriptionInternal));
}
/// <inheritdoc />
public Task SubscribeAsync <TEvent>(IActorEventPublisher actorProxy, TEvent subscriber, TimeSpan resubscriptionInterval) where TEvent : IActorEvents
{
return(actorProxy.SubscribeAsync(subscriber, resubscriptionInterval));
}
/// <inheritdoc />
public Task UnsubscribeAsync <TEvent>(IActorEventPublisher actorProxy, TEvent subscriber)
where TEvent : IActorEvents
{
_subscribers.Remove(subscriber);
return(_completed);
}
/// <inheritdoc />
public Task SubscribeAsync <TEvent>(IActorEventPublisher actorProxy, TEvent subscriber, TimeSpan resubscriptionInterval)
where TEvent : IActorEvents
{
_subscribers.Add(subscriber);
return(_completed);
}
/// <inheritdoc />
public Task UnsubscribeAsync <TEvent>(IActorEventPublisher actorProxy, TEvent subscriber)
{
return(_completed);
}
/// <inheritdoc />
public Task SubscribeAsync <TEvent>(IActorEventPublisher actorProxy, TEvent subscriber)
where TEvent : IActorEvents
{
return(_completed);
}