crdb_core/
dbptr.rs

1use crate::{Object, ObjectId};
2use std::marker::PhantomData;
3use ulid::Ulid;
4
5#[derive(Clone, Eq, PartialEq, educe::Educe, serde::Deserialize, serde::Serialize)]
6#[educe(Debug(named_field = false), Ord, PartialOrd)]
7pub struct DbPtr<T: Object> {
8    #[educe(Debug(method = std::fmt::Display::fmt))]
9    pub id: Ulid,
10    #[educe(Debug(ignore))]
11    _phantom: PhantomData<T>,
12}
13
14impl<T: Object> deepsize::DeepSizeOf for DbPtr<T> {
15    fn deep_size_of_children(&self, _context: &mut deepsize::Context) -> usize {
16        0
17    }
18}
19
20impl<T: Object> Copy for DbPtr<T> {}
21
22impl<T: Object> DbPtr<T> {
23    pub fn from(id: ObjectId) -> DbPtr<T> {
24        DbPtr {
25            id: id.0,
26            _phantom: PhantomData,
27        }
28    }
29
30    pub fn to_object_id(&self) -> ObjectId {
31        ObjectId(self.id)
32    }
33
34    pub fn from_string(s: &str) -> anyhow::Result<DbPtr<T>> {
35        Ok(DbPtr {
36            id: Ulid::from_string(s)?,
37            _phantom: PhantomData,
38        })
39    }
40}
41
42#[cfg(feature = "arbitrary")]
43impl<'a, T: Object> arbitrary::Arbitrary<'a> for DbPtr<T> {
44    fn arbitrary(u: &mut arbitrary::Unstructured<'a>) -> arbitrary::Result<Self> {
45        Ok(Self {
46            id: Ulid::from_bytes(u.arbitrary()?),
47            _phantom: PhantomData,
48        })
49    }
50}
crdb_core/dbptr.rs

crdb_core/
dbptr.rs
