/// <summary>
/// Publish an event
/// </summary>
/// <typeparam name="TEventType"></typeparam>
/// <param name="eventToPublish"></param>
public void PublishEvent <TEventType>(TEventType eventToPublish)
{
if (eventToPublish is AggregatedEvent)
{
AggregatedEvent aggEvent = eventToPublish as AggregatedEvent;
if (aggEvent.IsHandled)
{
return;
}
}
var subsriberType = typeof(ISubscriber <>).MakeGenericType(typeof(TEventType));
var subscribers = GetSubscriberList(subsriberType);
List <WeakReference> subsribersToBeRemoved = new List <WeakReference>();
foreach (var weakSubsriber in subscribers)
{
if (weakSubsriber.IsAlive)
{
var subscriber = (ISubscriber <TEventType>)weakSubsriber.Target;
InvokeSubscriberEvent <TEventType>(eventToPublish, subscriber);
}
else
{
subsribersToBeRemoved.Add(weakSubsriber);
} //End-if-else (weakSubsriber.IsAlive)
} //End-for-each (var weakSubriber in subscribers)
if (subsribersToBeRemoved.Any())
{
lock (lockSubscriberDictionary)
{
foreach (var remove in subsribersToBeRemoved)
{
subscribers.Remove(remove);
} //End-for-each (var remove in subsribersToBeRemoved)
} //End-lock (lockSubscriberDictionary)
} //End-if (subsribersToBeRemoved.Any())
}
private void InvokeSubscriberEvent <TEventType>(TEventType eventToPublish, ISubscriber <TEventType> subscriber)
{
//Synchronize the invocation of method
SynchronizationContext syncContext = SynchronizationContext.Current;
if (syncContext == null)
{
syncContext = new SynchronizationContext();
}//End-if (syncContext == null)
if (eventToPublish is AggregatedEvent)
{
AggregatedEvent aggEvent = eventToPublish as AggregatedEvent;
if (aggEvent.IsHandled)
{
return;
}
}
subscriber.OnEventHandler(eventToPublish);
//syncContext.Post(s => subscriber.OnEventHandler(eventToPublish), null);
}
