FluentValidation传递参数

我发现FluentValidation只有几个小时前，我想重写我所有的验证逻辑，所以它将只使用FV。

我有ATM的问题是，我想使用来自输入的数据作为DomainExists()方法的参数。这是可能的还是我必须找到一种绕过FV的方法来实现?

    public QuoteValidator()
    {
    // hardcoded because don't know how to pass input string to RuleFor
        var inputeddomain = "http://google.com";
        RuleFor(r => r.Domain).NotEqual(DomainExists(inputeddomain));
    }
    // checks if inputeddomain is in repository (SQL DB)
    private string DomainExists(string inputeddomain)
    {
        var context = new QuoteDBContext().Quotes;
        var output = (from v in context
                     where v.Domain == inputeddomain
                     select v.Domain).FirstOrDefault();
        if (output != null) { return output; } else { return "Not found"; }
    }

感谢@bpruitt-goddard提示，我让它工作。这是我的问题的解决办法(希望能对某人有所帮助)。

        public QuoteValidator()
    {
        RuleFor(r => r.Domain).Must(DomainExists).WithMessage("{PropertyValue} exists in system!");
    }
    private bool DomainExists(string propertyname)
    {
        var context = new QuoteDBContext().Quotes;
        var output = (from v in context
                      where v.Domain == propertyname
                      select v.Domain).FirstOrDefault();
        if (output != null) { return false; } else { return true; }
    }

RuleFor(r => r.Domain)
  .Must((obj, domain) => DomainExists(obj.InputDomain))
  .WithErrorCode("MustExist")
  .WithMessage("InputDomain must exist");