/// <summary>
/// Add subscriber
/// </summary>
/// <param name="subscriber"></param>
/// <returns></returns>
internal EventSourceSubscriber Add(IEventSourceSubscriber subscriber)
{
var subscription = new EventSourceSubscriber(subscriber, this);
lock (_subscriptions) {
_subscriptions.Add(subscription);
}
UpdateEventLevel();
return(subscription);
}
/// <inheritdoc/>
public IDisposable Subscribe(string eventSource, IEventSourceSubscriber subscriber)
{
if (subscriber == null)
{
throw new ArgumentNullException(nameof(subscriber));
}
if (string.IsNullOrEmpty(eventSource))
{
throw new ArgumentNullException(nameof(eventSource));
}
var source = _subscribers.GetOrAdd(eventSource,
name => new EventSourceWrapper(this));
return(source.Add(subscriber));
}
/// <summary>
/// Create listener
/// </summary>
/// <param name="subscriber"></param>
/// <param name="outer"></param>
internal EventSourceSubscriber(
IEventSourceSubscriber subscriber, EventSourceWrapper outer)
{
_subscriber = subscriber;
_outer = outer;
}
