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Mercurial > core / rust/lib/obj/src/id.rs

changeset 17: c7165d93a9eb
child: 255000153a76
author: ellis <ellis@rwest.io>
date: Sun, 22 Oct 2023 23:03:15 -0400
permissions: -rw-r--r--
description: add obj and net src 
     1 //! rlib/obj/src/id.rs --- rlib::obj::id
     2 //!
     3 //! primitive ID types.
     4 
     5 pub use hash::Id;
     6 pub use rusty_ulid::{self, Ulid};
     7 use std::{fmt, str::FromStr};
     8 pub use uuid::Uuid;
     9 /// Identity trait
    10 ///
    11 /// Defines Identity-related behaviors
    12 pub trait Identity: Sized {
    13   /// return the hashed bytes of an ObjectId
    14   fn id(&self) -> Id;
    15 }
    16 
    17 #[derive(Debug, Copy, Clone, Eq, PartialEq)]
    18 pub struct ObjectId(u128);
    19 
    20 pub struct NameSpace {
    21   pub prefix: Option<String>,
    22   pub capacity: u64,
    23   pub route: Vec<Id>,
    24   pub key: Option<Id>,
    25 }
    26 
    27 pub struct Domain {
    28   pub ns: NameSpace,
    29   pub id: Id,
    30 }
    31 
    32 impl From<Uuid> for ObjectId {
    33   fn from(uuid: Uuid) -> Self {
    34     ObjectId(uuid.as_u128())
    35   }
    36 }
    37 
    38 impl From<Ulid> for ObjectId {
    39   fn from(ulid: Ulid) -> Self {
    40     ObjectId(u128::from(ulid))
    41   }
    42 }
    43 
    44 impl From<u128> for ObjectId {
    45   fn from(src: u128) -> Self {
    46     ObjectId(src)
    47   }
    48 }
    49 
    50 impl FromStr for ObjectId {
    51   type Err = ();
    52   fn from_str(input: &str) -> std::result::Result<ObjectId, Self::Err> {
    53     match input {
    54       i => Ok(ObjectId(u128::from(Ulid::from_str(i).unwrap()))),
    55     }
    56   }
    57 }
    58 
    59 impl fmt::Display for ObjectId {
    60   fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
    61     match *self {
    62       ObjectId(i) => {
    63         write!(f, "{}", Ulid::from(i))
    64       }
    65     }
    66   }
    67 }