use std::borrow::Cow;
use anyhow::Result;
use storekey::{BorrowDecode, Encode};
use crate::catalog::{DatabaseId, MlModelDefinition, NamespaceId};
use crate::key::category::{Categorise, Category};
use crate::kvs::{KVKey, impl_kv_key_storekey};
#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Encode, BorrowDecode)]
pub(crate) struct Ml<'a> {
__: u8,
_a: u8,
pub ns: NamespaceId,
_b: u8,
pub db: DatabaseId,
_c: u8,
_d: u8,
_e: u8,
pub ml: Cow<'a, str>,
pub vn: Cow<'a, str>,
}
impl_kv_key_storekey!(Ml<'_> => MlModelDefinition);
pub fn new<'a>(ns: NamespaceId, db: DatabaseId, ml: &'a str, vn: &'a str) -> Ml<'a> {
Ml::new(ns, db, ml, vn)
}
pub fn prefix(ns: NamespaceId, db: DatabaseId) -> Result<Vec<u8>> {
let mut k = super::all::new(ns, db).encode_key()?;
k.extend_from_slice(b"!ml\x00");
Ok(k)
}
pub fn suffix(ns: NamespaceId, db: DatabaseId) -> Result<Vec<u8>> {
let mut k = super::all::new(ns, db).encode_key()?;
k.extend_from_slice(b"!ml\xff");
Ok(k)
}
impl Categorise for Ml<'_> {
fn categorise(&self) -> Category {
Category::DatabaseModel
}
}
impl<'a> Ml<'a> {
pub fn new(ns: NamespaceId, db: DatabaseId, ml: &'a str, vn: &'a str) -> Self {
Self {
__: b'/',
_a: b'*',
ns,
_b: b'*',
db,
_c: b'!',
_d: b'm',
_e: b'l',
ml: Cow::Borrowed(ml),
vn: Cow::Borrowed(vn),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn key() {
let val = Ml::new(NamespaceId(1), DatabaseId(2), "testml", "1.0.0");
let enc = Ml::encode_key(&val).unwrap();
assert_eq!(enc, b"/*\x00\x00\x00\x01*\x00\x00\x00\x02!mltestml\x001.0.0\0");
}
#[test]
fn test_prefix() {
let val = super::prefix(NamespaceId(1), DatabaseId(2)).unwrap();
assert_eq!(val, b"/*\x00\x00\x00\x01*\x00\x00\x00\x02!ml\0");
}
#[test]
fn test_suffix() {
let val = super::suffix(NamespaceId(1), DatabaseId(2)).unwrap();
assert_eq!(val, b"/*\x00\x00\x00\x01*\x00\x00\x00\x02!ml\xff");
}
}