/// <summary>
/// Notifies listener about an event.
/// </summary>
/// <param name="target">The specified listener to notify.</param>
/// <param name="sender">The object that raised the event.</param>
/// <param name="message">The message instance.</param>
public static void Publish([NotNull] object target, [NotNull] object sender, [NotNull] object message)
{
Should.NotBeNull(target, "target");
Should.NotBeNull(sender, "sender");
Should.NotBeNull(message, "message");
var handlerInfo = HandlerInfo.GetOrCreate(target);
if (!handlerInfo.IsEmpty)
{
handlerInfo.Handle(sender, message, message is ITracebleMessage);
}
var customAction = PublishCustomAction;
if (customAction != null)
{
customAction(target, sender, message);
}
}
/// <summary>
/// Subscribes an instance to events.
/// </summary>
/// <param name="instance">The instance to subscribe for event publication.</param>
public virtual bool Subscribe(object instance)
{
Should.NotBeNull(instance, "instance");
var handlerInfo = HandlerInfo.GetOrCreate(instance);
if (handlerInfo.IsEmpty)
{
return(false);
}
lock (_handlerReferences)
{
if (!Contains(instance, false))
{
_handlerReferences.Add(ServiceProvider.WeakReferenceFactory(handlerInfo, true));
}
}
return(true);
}