weavatrix_graph/model/
id.rs

1use crate::{GraphError, Result, String};
2use core::borrow::Borrow;
3use core::fmt::{Display, Formatter};
4use core::str::FromStr;
5use serde::{Deserialize, Deserializer, Serialize, de::Error as _};
6
7#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize)]
8#[serde(transparent)]
9pub struct NodeId(String);
10
11impl NodeId {
12    /// Creates a non-empty node identifier.
13    ///
14    /// # Errors
15    ///
16    /// Returns an error when the identifier is empty.
17    pub fn new(value: impl Into<String>) -> Result<Self> {
18        let value = value.into();
19        if value.is_empty() {
20            Err(GraphError::EmptyNodeId)
21        } else {
22            Ok(Self(value))
23        }
24    }
25
26    #[must_use]
27    pub fn as_str(&self) -> &str {
28        &self.0
29    }
30}
31
32impl Display for NodeId {
33    fn fmt(&self, formatter: &mut Formatter<'_>) -> core::fmt::Result {
34        formatter.write_str(&self.0)
35    }
36}
37
38impl Borrow<str> for NodeId {
39    fn borrow(&self) -> &str {
40        &self.0
41    }
42}
43
44impl FromStr for NodeId {
45    type Err = GraphError;
46
47    fn from_str(value: &str) -> Result<Self> {
48        Self::new(value)
49    }
50}
51
52impl<'de> Deserialize<'de> for NodeId {
53    fn deserialize<D>(deserializer: D) -> core::result::Result<Self, D::Error>
54    where
55        D: Deserializer<'de>,
56    {
57        Self::new(String::deserialize(deserializer)?).map_err(D::Error::custom)
58    }
59}
weavatrix_graph/model/id.rs

weavatrix_graph/model/
id.rs
