private SubscriptionToken AddSubscriptionInternal <TMessage>(Action <TMessage> deliveryAction, Func <TMessage, bool> messageFilter, bool strongReference, IMapleMessageProxy proxy)
where TMessage : class, IMapleMessage
{
if (deliveryAction == null)
{
throw new ArgumentNullException(nameof(deliveryAction), $"{nameof(deliveryAction)} {Resources.IsRequired}");
}
if (messageFilter == null)
{
throw new ArgumentNullException(nameof(messageFilter), $"{nameof(messageFilter)} {Resources.IsRequired}");
}
if (proxy == null)
{
throw new ArgumentNullException(nameof(proxy), $"{nameof(proxy)} {Resources.IsRequired}");
}
lock (_SubscriptionsPadlock)
{
var subscriptionToken = new SubscriptionToken(this, typeof(TMessage));
IMapleMessageSubscription subscription;
if (strongReference)
{
subscription = new StrongMapleMessageSubscription <TMessage>(_translationProvider, subscriptionToken, deliveryAction, messageFilter);
}
else
{
subscription = new WeakMapleMessageSubscription <TMessage>(_translationProvider, subscriptionToken, deliveryAction, messageFilter);
}
_subscriptions.Add(new SubscriptionItem(proxy, subscription));
return(subscriptionToken);
}
}
public SubscriptionToken Subscribe <TMessage>(Action <TMessage> deliveryAction, Func <TMessage, bool> messageFilter, bool useStrongReferences, IMapleMessageProxy proxy)
where TMessage : class, IMapleMessage
{
return(AddSubscriptionInternal(deliveryAction, messageFilter, useStrongReferences, proxy));
}
public MapleMessenger(ITranslationProvider translationProvider, ILoggingService log, IMapleMessageProxy mapleMessageProxy)
{
_translationProvider = translationProvider ?? throw new ArgumentNullException(nameof(translationProvider), $"{nameof(translationProvider)} {Resources.IsRequired}");
_log = log ?? throw new ArgumentNullException(nameof(log), $"{nameof(log)} {Resources.IsRequired}");
_mapleMessageProxy = mapleMessageProxy ?? throw new ArgumentNullException(nameof(mapleMessageProxy), $"{nameof(mapleMessageProxy)} {Resources.IsRequired}");
}
public SubscriptionToken Subscribe <TMessage>(Action <TMessage> deliveryAction, IMapleMessageProxy proxy)
where TMessage : class, IMapleMessage
{
return(AddSubscriptionInternal(deliveryAction, (m) => true, true, proxy));
}
public SubscriptionItem(IMapleMessageProxy proxy, IMapleMessageSubscription subscription)
{
Proxy = proxy;
Subscription = subscription;
}
