public void LoadsFromHistory(IEnumerable <IEvent> events)
{
var myevents = events as IEvent[] ?? events.ToArray();
if (myevents.Any())
{
this.Id = myevents.First().AggregateId;
Logger.DebugFormat("Loading {0} events from history on {1}", myevents.Count(), this.Id);
foreach (var e in myevents)
{
this.Apply(e, false);
}
}
else
{
Logger.DebugFormat("Loaded empty aggregate on id {0}", this.Id);
}
}
internal void Mutate(IEvent e)
{
Logger.DebugFormat("Apply state {0} (mutate)", e);
// .NET magic to call one of the 'When' handlers with
// matching signature
try
{
((dynamic)this).When((dynamic)e);
}
catch (RuntimeBinderException)
{
throw new Exception(string.Format("The State {0} should implement IStateEvent<{1}> even if no state change is required", this.GetType().FullName, e.GetType().Name));
}
}