public void ShareWith(IEnumerable<int> userIDs)
{
Contract.Requires(userIDs != null);
Contract.Requires(userIDs.Count() > 0);
Contract.Ensures(Contract.OldValue(userIDs) == userIDs);
var @event = new Shared(Id, Version, userIDs);
RaiseEvent(@event);
}
public void Apply(Shared @event)
{
Id = @event.AggregateId;
Version = @event.Version;
}