use std::cmp::Ordering;
use crate::RawDocument;
use super::{Criterion, Context};

pub struct DocumentId;

impl Criterion for DocumentId {
    fn name(&self) -> &str { "stable document id" }

    fn evaluate(&self, _ctx: &Context, lhs: &RawDocument, rhs: &RawDocument) -> Ordering {
        let lhs = &lhs.id;
        let rhs = &rhs.id;

        lhs.cmp(rhs)
    }
}