public RegisteredEventListener(Type eventType, MethodInfo method, EventListenerAttribute attribute, Type eventListenerType)
{
EventType = eventType;
_eventListenerType = eventListenerType;
Priority = attribute.Priority;
IgnoreCancelled = attribute.IgnoreCancelled;
Method = method.GetFriendlyName(showParameters: false);
_invoker = CreateInvoker(method, attribute.IgnoreCancelled);
}
/// <summary>
/// Build a EventListener class based on the attribute and the class type
/// </summary>
/// <param name="eventListenerAttribute"></param>
/// <param name="classType"></param>
private void BuildEventListener(EventListenerAttribute eventListenerAttribute, Type classType)
{
var queueExists = _eventListeners.FirstOrDefault(el =>
el.EventListenerAttribute.QueueName == eventListenerAttribute.QueueName);
if (queueExists == null)
{
var eventListener = new EventListener
{
EventListenerAttribute = eventListenerAttribute, Class = classType
};
BuildTopics(classType, eventListener);
_eventListeners.Add(eventListener);
}
else
{
BuildTopics(classType, queueExists);
}
}
/// <summary>
/// Register possible event listeners
/// </summary>
protected virtual void RegisterListener(TypeInfo type)
{
Logger.LogTrace($"Retrieving relevant methods from type {type.Name}");
foreach (MethodInfo methodInfo in GetRelevantMethods(type))
{
EventListenerAttribute eventQueueName = methodInfo.GetCustomAttribute <EventListenerAttribute>();
string commandQueueName = methodInfo.GetCustomAttribute <CommandListenerAttribute>()?.QueueName;
if (eventQueueName != null)
{
RegisterEventListener(type, methodInfo);
}
else if (commandQueueName != null)
{
RegisterCommandListener(type, methodInfo, commandQueueName);
}
else
{
Logger.LogTrace($"Method {methodInfo.Name} does not contain listener attributes.");
}
}
}
public void Register(EventListenerAttribute attribute, MethodInfo method)
{
var listener = new SubscriberRegistration(attribute.Evaluate, method);
_registrations.Add(listener);
}
public EventData(Type[] types, IEventListener listener, MethodInfo methodInfo, EventListenerAttribute attribute)
{
Types = types;
Listener = listener;
MethodInfo = methodInfo;
Priority = attribute.Priority;
IgnoreCancelled = attribute.IgnoreCancelled;
Method = methodInfo.GetFriendlyName(showParameters: false);
IsTask = methodInfo.ReturnParameter.ParameterType.IsTask();
}
