private void RemoveSubscriptionInternal <TMessage>(BusSubscriptionToken subscriptionToken)
where TMessage : class, IBusMessage
{
if (subscriptionToken == null)
{
throw new ArgumentNullException("subscriptionToken");
}
lock (_SubscriptionsPadlock)
{
var currentlySubscribed = (from sub in _Subscriptions
where object.ReferenceEquals(sub.Subscription.SubscriptionToken, subscriptionToken)
select sub).ToList();
currentlySubscribed.ForEach(sub => _Subscriptions.Remove(sub));
}
}
public StrongBusSubscription(BusSubscriptionToken subscriptionToken, Action <TMessage> deliveryAction, Func <TMessage, bool> messageFilter)
{
if (subscriptionToken == null)
{
throw new ArgumentNullException("subscriptionToken");
}
if (deliveryAction == null)
{
throw new ArgumentNullException("deliveryAction");
}
if (messageFilter == null)
{
throw new ArgumentNullException("messageFilter");
}
_SubscriptionToken = subscriptionToken;
_DeliveryAction = deliveryAction;
_MessageFilter = messageFilter;
}
public WeakBusSubscription(BusSubscriptionToken subscriptionToken, Action <TMessage> deliveryAction, Func <TMessage, bool> messageFilter)
{
if (subscriptionToken == null)
{
throw new ArgumentNullException("subscriptionToken");
}
if (deliveryAction == null)
{
throw new ArgumentNullException("deliveryAction");
}
if (messageFilter == null)
{
throw new ArgumentNullException("messageFilter");
}
_SubscriptionToken = subscriptionToken;
_DeliveryAction = new WeakReference(deliveryAction);
_MessageFilter = new WeakReference(messageFilter);
}
private BusSubscriptionToken AddSubscriptionInternal <TMessage>(Action <TMessage> deliveryAction, Func <TMessage, bool> messageFilter, bool strongReference, IBusProxy proxy)
where TMessage : class, IBusMessage
{
if (deliveryAction == null)
{
throw new ArgumentNullException("deliveryAction");
}
if (messageFilter == null)
{
throw new ArgumentNullException("messageFilter");
}
if (proxy == null)
{
throw new ArgumentNullException("proxy");
}
var subscriptionToken = new BusSubscriptionToken(this, typeof(TMessage));
IBusSubscription subscription;
if (strongReference)
{
subscription = new StrongBusSubscription <TMessage>(subscriptionToken, deliveryAction, messageFilter);
}
else
{
subscription = new WeakBusSubscription <TMessage>(subscriptionToken, deliveryAction, messageFilter);
}
lock (_SubscriptionsPadlock)
{
_Subscriptions.Add(new SubscriptionItem(proxy, subscription));
}
return(subscriptionToken);
}
public void Unsubscribe <TMessage>(BusSubscriptionToken subscriptionToken)
where TMessage : class, IBusMessage
{
RemoveSubscriptionInternal <TMessage>(subscriptionToken);
}