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));
}
}
private void DoRemoveSubcriber(string messageName, MessageSubscriberDescriptor subsToRemove)
{
if (string.IsNullOrEmpty(messageName) ||
subsToRemove == null)
{
return;
}
if (_subscribers[messageName].Any())
{
_subscribers[messageName].Remove(subsToRemove);
if (!_subscribers[messageName].Any())
{
_subscribers.Remove(messageName);
}
}
}
public void UnsubscribeDynamic <TMessageHandler>(string messageName)
where TMessageHandler : IDynamicMessageHandler
{
DoRemoveSubcriber(messageName, MessageSubscriberDescriptor.Dynamic(messageName, typeof(TMessageHandler)));
}
public void Unsubscribe <TMessage, TMessageHandler>()
where TMessage : IMessage
where TMessageHandler : IMessageHandler <TMessage>
{
DoRemoveSubcriber(GetMessageName <TMessage>(), MessageSubscriberDescriptor.Typed(typeof(TMessage), typeof(TMessageHandler)));
}
public void Insert(int index, MessageSubscriberDescriptor item)
{
_descriptors.Insert(index, item);
}
public int IndexOf(MessageSubscriberDescriptor item)
{
return(_descriptors.IndexOf(item));
}
public bool Remove(MessageSubscriberDescriptor item)
{
return(_descriptors.Remove(item));
}
public bool Contains(MessageSubscriberDescriptor item)
{
return(_descriptors.Contains(item));
}
public void Add(MessageSubscriberDescriptor item)
{
_descriptors.Add(item);
}
