public virtual void Register(IContainsEventAggregate aggregate)
{
if (aggregate == null)
{
throw new ArgumentNullException("aggregate");
}
_registered = aggregate;
// Get instance methods named Apply with one parameter returning void
var applyMethods = aggregate.GetType()
.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Where(m => m.Name == "When" && m.GetParameters().Length == 1 && m.ReturnParameter.ParameterType == typeof(void))
.Select(m => new
{
Method = m,
MessageType = m.GetParameters().Single().ParameterType
});
foreach (var apply in applyMethods)
{
var applyMethod = apply.Method;
_handlers.Add(apply.MessageType, m => applyMethod.Invoke(aggregate, new[] { m as object }));
}
}
public static void ThrowHandlerNotFound(this IContainsEventAggregate aggregate, object eventMessage)
{
var exceptionMessage = "Aggregate of type '{0}' raised an event of type '{1}' but not handler could be found to handle the message."
.FormatWith(aggregate.GetType().Name, eventMessage.GetType().Name);
throw new HandlerForDomainEventNotFoundException(exceptionMessage);
}
public ConventionEventRouter(bool throwOnApplyNotFound, IContainsEventAggregate aggregate)
: this(throwOnApplyNotFound)
{
Register(aggregate);
}
