protected virtual async Task <TAggregate> FindAggregateAsync(TKey id,
bool ignoreSnapshot = false,
int version = -1,
CancellationToken cancellationToken = default)
{
int maxVersion = version <= 0 ? int.MaxValue : version;
IAggregateSnapshot <TKey> snapshot = null;
if (!ignoreSnapshot)
{
snapshot = await _snapshotStore
.FindLastSnapshotAsync(id, maxVersion, cancellationToken)
.ConfigureAwait(false);
}
int minVersion = snapshot == null ? 1 : snapshot.AggregateVersion + 1;
IAggregateEvent <TKey>[] events = await _eventStore
.GetEventsAsync(id, minVersion, maxVersion, cancellationToken)
.ConfigureAwait(false);
if (snapshot == null)
{
return(events.Length == 0
? null
: Activator.CreateInstance(typeof(TAggregate), id, events as IEnumerable <IAggregateEvent <TKey> >) as TAggregate);
}
else
{
return(Activator.CreateInstance(typeof(TAggregate), id, snapshot, events as IEnumerable <IAggregateEvent <TKey> >) as TAggregate);
}
}