private void DoAddSubscriber(
Type handlerType,
Type messageType,
string messageName,
bool isDynamic)
{
Assert.NotNull(handlerType, nameof(handlerType));
Assert.NotNullOrEmpty(messageName, nameof(messageName));
if (!_subscribers.ContainsKey(messageName))
{
_subscribers.Add(messageName, _subscriberCollection.New());
}
if (_subscribers[messageName].Any(s => s.MessageHandlerType == handlerType))
{
throw new ArgumentException(
$"Handler Type {handlerType.Name} already registered for '{messageName}'", nameof(handlerType));
}
if (isDynamic)
{
_subscribers[messageName].Add(MessageSubscriberDescriptor.Dynamic(messageName, handlerType));
}
else
{
Assert.NotNull(messageType, nameof(messageType));
_subscribers[messageName].Add(MessageSubscriberDescriptor.Typed(messageType, handlerType));
}
}
public void Unsubscribe <TMessage, TMessageHandler>()
where TMessage : IMessage
where TMessageHandler : IMessageHandler <TMessage>
{
DoRemoveSubcriber(GetMessageName <TMessage>(), MessageSubscriberDescriptor.Typed(typeof(TMessage), typeof(TMessageHandler)));
}
