opendal/services/mini_moka/config.rs
1// Licensed to the Apache Software Foundation (ASF) under one
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5// to you under the Apache License, Version 2.0 (the
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8//
9// http://www.apache.org/licenses/LICENSE-2.0
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14// KIND, either express or implied. See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use serde::Deserialize;
19use serde::Serialize;
20
21use super::backend::MiniMokaBuilder;
22
23/// Config for mini-moka support.
24#[derive(Debug, Default, Serialize, Deserialize, Clone, PartialEq, Eq)]
25#[serde(default)]
26#[non_exhaustive]
27pub struct MiniMokaConfig {
28 /// Sets the max capacity of the cache.
29 ///
30 /// Refer to [`mini-moka::sync::CacheBuilder::max_capacity`](https://docs.rs/mini-moka/latest/mini_moka/sync/struct.CacheBuilder.html#method.max_capacity)
31 pub max_capacity: Option<u64>,
32 /// Sets the time to live of the cache.
33 ///
34 /// Refer to [`mini-moka::sync::CacheBuilder::time_to_live`](https://docs.rs/mini-moka/latest/mini_moka/sync/struct.CacheBuilder.html#method.time_to_live)
35 pub time_to_live: Option<String>,
36 /// Sets the time to idle of the cache.
37 ///
38 /// Refer to [`mini-moka::sync::CacheBuilder::time_to_idle`](https://docs.rs/mini-moka/latest/mini_moka/sync/struct.CacheBuilder.html#method.time_to_idle)
39 pub time_to_idle: Option<String>,
40
41 /// root path of this backend
42 pub root: Option<String>,
43}
44
45impl crate::Configurator for MiniMokaConfig {
46 type Builder = MiniMokaBuilder;
47
48 fn from_uri(uri: &crate::types::OperatorUri) -> crate::Result<Self> {
49 let mut map = uri.options().clone();
50
51 if let Some(root) = uri.root() {
52 if !root.is_empty() {
53 map.insert("root".to_string(), root.to_string());
54 }
55 }
56
57 Self::from_iter(map)
58 }
59
60 fn into_builder(self) -> Self::Builder {
61 MiniMokaBuilder { config: self }
62 }
63}
64
65#[cfg(test)]
66mod tests {
67 use super::*;
68 use crate::Configurator;
69 use crate::types::OperatorUri;
70
71 #[test]
72 fn from_uri_sets_root_and_preserves_ttl() {
73 let uri = OperatorUri::new(
74 "mini-moka:///session",
75 vec![("time_to_live".to_string(), "300s".to_string())],
76 )
77 .unwrap();
78
79 let cfg = MiniMokaConfig::from_uri(&uri).unwrap();
80 assert_eq!(cfg.root.as_deref(), Some("session"));
81 assert!(cfg.time_to_live.is_some());
82 }
83}