public static void ThrowHandlerNotFound(this IAggregateEx aggregate, object eventMessage)
{
string 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 void Snapshot(IAggregateEx aggregate, String bucket, Int32 numberOfEventsSaved)
{
if (SnapshotsSettings.HasOptedOut(aggregate.GetType()))
{
return;
}
var memento = aggregate.GetSnapshot();
var snapshot = new Snapshot(bucket, aggregate.Id.AsString(), aggregate.Version, memento);
if (_cacheEnabled)
{
_cache.Set(aggregate.Id.AsString(), snapshot, _standardCachePolicy);
}
if (_snapshotPersistenceStrategy.ShouldSnapshot(aggregate, numberOfEventsSaved))
{
_persister.Persist(snapshot, aggregate.GetType().FullName);
}
}
private static Dictionary <string, object> PrepareHeaders(
IAggregateEx aggregate, Action <IDictionary <string, object> > updateHeaders)
{
var headers = new Dictionary <string, object>();
headers[AggregateTypeHeader] = aggregate.GetType().FullName;
if (updateHeaders != null)
{
updateHeaders(headers);
}
return(headers);
}
public virtual void Register(IAggregateEx aggregate)
{
if (aggregate == null)
{
throw new ArgumentNullException("aggregate");
}
this.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 == "Apply" && m.GetParameters().Length == 1 && m.ReturnParameter.ParameterType == typeof(void))
.Select(m => new { Method = m, MessageType = m.GetParameters().Single().ParameterType });
foreach (var apply in applyMethods)
{
MethodInfo applyMethod = apply.Method;
this.handlers.Add(apply.MessageType, m => applyMethod.Invoke(aggregate, new[] { m }));
}
}
string GetBucketFor(IAggregateEx aggregate)
{
return(GetBucketFor(aggregate.GetType(), aggregate.Id));
}
