public async Task Append(IStoredEvent[] @events)
{
await Task.Run(() =>
{
var handler = BeforeSave;
if (handler != null)
{
@events.ForEach(e => handler(this, e));
}
lock (this.events)
{
foreach (var storedEvent in events)
{
if (this.events.Contains(storedEvent))
{
throw new ConcurrencyException(string.Format("There was a concurrency violation.\n Existing:\n{0}\nAttempted:\n{1}",
this.events.Single(e => e.AggregateId == storedEvent.AggregateId &&
e.SequenceNumber == storedEvent.SequenceNumber)
.ToDomainEvent(Name)
.ToDiagnosticJson(),
storedEvent.ToDiagnosticJson()));
}
this.events.Add(storedEvent);
}
}
});
}
public async Task Append(IStoredEvent[] @events)
{
await Task.Run(() =>
{
var handler = BeforeSave;
if (handler != null)
{
@events.ForEach(e => handler(this, e));
}
lock (this.events)
{
foreach (var storedEvent in events)
{
if (this.events.Contains(storedEvent))
{
ThrowConcurrencyException(storedEvent);
}
this.events.Add(storedEvent);
}
}
});
}