IEnumerable <IEventSubscription> IEventSubscriptionRepository.GetSubscriptions(
EventPublication publication
)
{
return(_subscriptionStores
.SelectMany(x => x.Subscriptions)
.Where(x => x.Matches(publication))
.ToArray());
}
void IEvent <TArgs> .Publish(
IEventSubscriptionRepository allSubscriptions,
TArgs payload
)
{
var publication = new EventPublication(this, payload);
foreach (TTarget node in GetHierarchyNodes(payload.Target))
{
PublishToSingleNode(allSubscriptions, node, publication);
}
}
void IEvent <TPayload> .Publish(IEventSubscriptionRepository allSubscriptions, TPayload payload)
{
var publication = new EventPublication(this, payload);
IEnumerable <IEventSubscription> matching = allSubscriptions
.GetSubscriptions(publication)
.OrderBy(x => x.ExecutionOrder);
foreach (var subscription in matching)
{
subscription.Invoke(publication);
}
}
private void PublishToSingleNode(
IEventSubscriptionRepository allSubscriptions,
TTarget node,
EventPublication publication
)
{
IEnumerable <IEventSubscription> matching = allSubscriptions
.GetSubscriptions(publication)
.OfType <IHierarchicalEventSubscription <TTarget> >()
.Where(s => Object.ReferenceEquals(s.Target, node))
.OrderBy(x => x.ExecutionOrder);
foreach (var subscription in matching)
{
subscription.Invoke(publication);
}
}
public void Invoke(EventPublication publication)
{
_handler((TPayload)publication.Payload);
}
public bool Matches(EventPublication publication)
{
return
((Event == AnyEvent || publication.Event == _event) &&
_conditions.All(x => x.IsTrue(publication.Payload)));
}