// *2* factory forwards incoming command
public void Execute(ICommand <RecipeId> c)
{
RedirectToWhen.InvokeCommand(this, c);
}
private void InternalApply(object e)
{
Version++;
RedirectToWhen.InvokeEventOptional((T)this, e);
}
public void Apply(IEvent <IIdentity> e)
{
Version++;
RedirectToWhen.InvokeEventOptional(this, e);
}