crdt-graph 0.3.1

An op-based 2P2P-Graph CRDT implementation in Rust.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74

use crate::graph::{
    TwoPTwoPAddEdge, TwoPTwoPAddVertex, TwoPTwoPGraph, TwoPTwoPId, UpdateOperation,
};
use super::{RemoveEdge, RemoveVertex};
use uuid::Uuid;

/// A vertex-add operation with an optional `String` payload.
#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct AddVertex {
    pub id: Uuid,
    pub data: Option<String>,
}

impl TwoPTwoPId<Uuid> for AddVertex {
    fn id(&self) -> &Uuid {
        &self.id
    }
}

impl TwoPTwoPAddVertex<Uuid> for AddVertex {}

/// An edge-add operation with an optional `String` payload.
#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct AddEdge {
    pub id: Uuid,
    pub source: Uuid,
    pub target: Uuid,
    pub data: Option<String>,
}

impl TwoPTwoPId<Uuid> for AddEdge {
    fn id(&self) -> &Uuid {
        &self.id
    }
}

impl TwoPTwoPAddEdge<Uuid> for AddEdge {
    fn source(&self) -> &Uuid {
        &self.source
    }
    fn target(&self) -> &Uuid {
        &self.target
    }
}

/// A graph whose vertices and edges may carry `String` data.
pub type Graph = TwoPTwoPGraph<AddVertex, RemoveVertex, AddEdge, RemoveEdge, Uuid>;

/// An update operation for [`Graph`].
pub type Operation = UpdateOperation<AddVertex, RemoveVertex, AddEdge, RemoveEdge>;

impl From<AddVertex> for Operation {
    fn from(v: AddVertex) -> Self {
        UpdateOperation::AddVertex(v)
    }
}

impl From<RemoveVertex> for Operation {
    fn from(v: RemoveVertex) -> Self {
        UpdateOperation::RemoveVertex(v)
    }
}

impl From<AddEdge> for Operation {
    fn from(e: AddEdge) -> Self {
        UpdateOperation::AddEdge(e)
    }
}

impl From<RemoveEdge> for Operation {
    fn from(e: RemoveEdge) -> Self {
        UpdateOperation::RemoveEdge(e)
    }
}