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
75
76
77
use crate::{BaseApplication, BaseObject, Stateful, Versionable};
use std::sync::Arc;
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
pub struct Backend<S: Default + Stateful> {
pub count: usize,
pub name: String,
pub namespace: String,
pub state: Arc<S>,
pub symbol: String,
pub version: String,
}
impl<S: Default + Stateful> Backend<S> {
pub fn new(name: String, namespace: String, symbol: String, version: Option<String>) -> Self {
let (count, state) = (0, Arc::new(Default::default()));
let version = version.unwrap_or_else(|| String::from("v0.1.0"));
Self {
count,
name,
namespace,
state,
symbol,
version,
}
}
}
impl<S: Default + Stateful> BaseObject for Backend<S> {
fn count(&self) -> usize {
self.count
}
fn name(&self) -> String {
self.name.clone()
}
fn symbol(&self) -> String {
self.symbol.clone()
}
}
impl<S: Default + Stateful> Stateful for Backend<S> {}
impl<S: Default + Stateful> Versionable for Backend<S> {
type Error = Box<dyn std::error::Error + Send + Sync>;
fn update(&mut self) -> Result<(), Box<Self::Error>> {
Ok(())
}
fn version(&self) -> String {
self.version.clone()
}
}
impl<S: Default + Stateful> BaseApplication for Backend<S> {
fn namespace(&self) -> String {
self.namespace.clone()
}
}
impl<S: Default + Stateful> Default for Backend<S> {
fn default() -> Self {
Self::new(
Default::default(),
Default::default(),
Default::default(),
None,
)
}
}