public static Task HandleMeWith(this IDomainEvent domainEvent, IHandleEvents eventHandler)
{
var handlerType = eventHandler.GetType();
var eventType = domainEvent.GetType();
var handlerMethodsForEventType =
from method in handlerType.GetTypeInfo().DeclaredMethods
from parameter in method.GetParameters()
where method.IsPublic
where parameter.ParameterType == eventType
select method;
var allHandlerMethods = handlerMethodsForEventType.ToList();
if (handlerMethodsForEventType.Any() == false)
{
throw new ArgumentException($"This Event Type {eventType.Name} has no Handler Method");
}
if (handlerMethodsForEventType.Count() > 1)
{
throw new ArgumentException($"This Event Type {eventType.Name} has to much Handler Methods");
}
// Invoke the one and only Handle([Event Type]) Method
return((Task)handlerMethodsForEventType
.Single()
.Invoke(eventHandler, new object?[] { domainEvent }));
}
protected Aggregate(TId id)
{
if (id.IsNullOrEmpty())
{
throw new ArgumentOutOfRangeException(nameof(id));
}
Id = id;
_eventFactory = this as ICreateEvents ?? new DefaultEventFactory();
_eventHandler = this as IHandleEvents ?? new DefaultEventHandler();
}
public void Subscribe <T>(IHandleEvents <T> eventHandler) where T : IEvent
{
if (!_registry.ContainsKey(typeof(T)))
{
_registry.Add(typeof(T), new List <Action <IEvent> >());
}
var handlers = _registry[typeof(T)];
handlers.Add(@event => eventHandler.HandleEvent((T)@event));
}
public void Subscribe(IHandleEvents eventHandler, Type ofEventIHandle)
{
if (!_registry.ContainsKey(ofEventIHandle))
{
_registry.Add(ofEventIHandle, new List <IHandleEvents>());
}
var handlers = _registry[ofEventIHandle];
handlers.Add(eventHandler);
}
public static void HandleMeWith(this IAmAnEventMessage @event, IHandleEvents handler)
{
var handlerType = handler.GetType ();
var eventType = @event.GetType ();
var eventHandlerMethods =
from method in handlerType.GetTypeInfo().DeclaredMethods
from parameter in method.GetParameters ()
where parameter.ParameterType == eventType
select method;
var allMethodes = eventHandlerMethods.ToList ();
if (allMethodes.Any ()) {
if (allMethodes.Count () > 1) {
throw new MultipleHandlerMethodesDetected (eventType.Name);
}
allMethodes.First ().Invoke (handler, new object[]{ @event });
}
}
public static void HandleMeWith(this IAmAnEventMessage @event, IHandleEvents handler)
{
var handlerType = handler.GetType();
var eventType = @event.GetType();
var eventHandlerMethods =
from method in handlerType.GetTypeInfo().DeclaredMethods
from parameter in method.GetParameters()
where parameter.ParameterType == eventType
select method;
var allMethodes = eventHandlerMethods.ToList();
if (allMethodes.Any())
{
if (allMethodes.Count() > 1)
{
throw new MultipleHandlerMethodesDetected(eventType.Name);
}
allMethodes.First().Invoke(handler, new object[] { @event });
}
}
public ReceiveMessage(IHandleEvents salesEventHandler)
{
_salesEventHandler = salesEventHandler;
}
public IConcatenateEventHandler And(IHandleEvents eventHandler)
{
_receiver.Add (eventHandler);
return this;
}
/// <summary>
/// Register or reregister an event handler.
/// </summary>
public void Subscribe(IHandleEvents eventHandler, ISelectEvents eventFilter = null)
{
eventFilter = eventFilter ?? DelegateSelector.Any;
_eventHandlers[eventHandler] = eventFilter;
}
public IConcatenateEventHandler PublishNewStateTo(IHandleEvents eventHandler)
{
_eventHandlers.Add(eventHandler);
return(_eventHandlers);
}
public void Unregister(IHandleEvents handler)
{
}
public void To(IHandleEvents eventHandler)
{
eventHandler.Receive(_currentAggregateEvents);
}
public void Unregister(IHandleEvents handler)
{
lock (_subscribers)
_subscribers.Remove(handler);
}
public void Register(IHandleEvents handler)
{
lock (_subscribers)
_subscribers.Add(handler);
}
/// <summary>
/// Remove a previously subscribed event handler.
/// </summary>
/// <param name="eventHandler"></param>
public void Unsubscribe(IHandleEvents eventHandler)
{
_eventHandlers.Remove(eventHandler);
}
public void Add(IHandleEvents eventHandler)
{
_receiver.Add(eventHandler);
}
public IConcatenateEventHandler And(IHandleEvents eventHandler)
{
_receiver.Add(eventHandler);
return(this);
}
public void Add(IHandleEvents eventHandler)
{
_receiver.Add (eventHandler);
}
