这种设计对于类的数据验证是一个好主意吗？

I've got this class, let's call it Refund (because that's what it's called). I want to validate some things about this Refund and the Customer it's attached to, and I want to make these validations re-orderable, because the first one that trips will be stored as the reject reason on the Refund, and also some of them are likely to be more resource-intensive than others and more likely to be tripped, so I'd like to be able to easily reorder their execution so that I could squeeze some performance out if I need to.I've got this class, let's call it Refund (beca