public async Task <T> GetByIdAsync <T>(Guid id) where T : Aggregate, new()
{
var isSnapshottable = typeof(ISnapshottable <T>).GetTypeInfo().IsAssignableFrom(typeof(T).GetTypeInfo());
var aggregate = new T();
Snapshot snapshot = null;
if ((isSnapshottable) && (snapshotStore != null))
{
snapshot = ((ISnapshottable <T>)aggregate).TakeSnapshot();
snapshot = await snapshotStore.GetSnapshotAsync <T>(snapshot.GetType(), id);
}
//snapshot exists?
if (snapshot != null)
{
Console.WriteLine(snapshot.Id);
var item = (T)Activator.CreateInstance(typeof(T));
((ISnapshottable <T>)item).ApplySnapshot(snapshot);
Console.WriteLine("getting data from snapshot:" + item.Version);
var events = await aggregateStore.GetEvents <T>(id.ToString(), snapshot.Version + 1, int.MaxValue);
Console.WriteLine("load event over snapshot event count:" + events.Length);
item.Load(events);
return(item);
}
return(await aggregateStore.Load <T>(id.ToString()));
}
private async Task HandleForUpdate(Guid aggregateId, Action <Domain.Review> handle)
{
var aggregate = await aggrigateStore.Load <Domain.Review>(aggregateId.ToString());
handle(aggregate);
await aggrigateStore.Save(aggregate);
}