private Something()
{
Register <SomethingHappened>(e =>
{
_identifier = new SomethingIdentifier(e.SomethingId);
_somethingHappened = true;
});
Register <SomethingElseHappened>(_ => _somethingElseHappened = true);
}
public static Something Happens(SomethingIdentifier identifier)
{
var something = Factory();
something.Apply(new SomethingHappened {
SomethingId = identifier.ToGuid()
});
return(something);
}
public async Task <Something> GetById(
SomethingIdentifier identifier,
CancellationToken cancellationToken = default)
{
var streamId = GetStreamId(identifier);
if (UnitOfWork.Current.TryGet(streamId, out var aggregateRoot))
{
return((Something)aggregateRoot);
}
var something = Something.Factory();
await something.LoadFromHistory(ReadEvents(streamId, cancellationToken));
UnitOfWork.Current.Add(streamId, something);
return(something);
}
private static string GetStreamId(SomethingIdentifier identifier) => $"something-{identifier.ToGuid():n}";
