/// <summary>
/// Gets the handlers of this even topic
/// </summary>
/// <returns>
/// Array of delegates, the handlers for this even topic.
/// </returns>
private IEnumerable <KeyValuePair <ISubscription, EventTopicFireDelegate> > GetHandlers()
{
foreach (ISubscription subscription in this.subscriptions)
{
EventTopicFireDelegate handler = subscription.GetHandler();
if (handler != null)
{
yield return(new KeyValuePair <ISubscription, EventTopicFireDelegate>(subscription, handler));
}
}
}
public EventTopicFireDelegate[] GetHandlers()
{
List <EventTopicFireDelegate> result = new List <EventTopicFireDelegate>();
lock (lockObject)
{
foreach (Subscription subscription in subscriptions.ToArray())
{
EventTopicFireDelegate handler = subscription.GetHandler();
if (handler != null)
{
result.Add(handler);
}
}
return(result.ToArray());
}
}
/// <summary>
/// Calls the subscription handlers.
/// </summary>
/// <param name="sender">The publisher.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
/// <param name="handlers">The handlers to call.</param>
/// <param name="publication">The publication firing the event topic.</param>
private void CallSubscriptionHandlers(object sender, EventArgs e, IEnumerable <KeyValuePair <ISubscription, EventTopicFireDelegate> > handlers, IPublication publication)
{
foreach (var handler in handlers)
{
ISubscription subscription = handler.Key;
EventTopicFireDelegate handlerMethod = handler.Value;
if (this.CheckMatchers(publication, subscription, e))
{
handlerMethod(this, sender, e, publication);
}
else
{
this.extensionHost.ForEach(extension => extension.SkippedEvent(
this,
publication,
subscription,
sender,
e));
}
}
}
private void CallSubscriptionHandlers(object sender, EventArgs e, EventTopicFireDelegate[] handlers)
{
List<Exception> exceptions = new List<Exception>();
foreach (EventTopicFireDelegate handler in handlers)
{
handler(sender, e, exceptions, traceSource);
}
if (exceptions.Count > 0)
{
TraceExceptions(exceptions);
throw new EventTopicException(this, new ReadOnlyCollection<Exception>(exceptions));
}
}
