opendal/services/moka/
lister.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use std::sync::Arc;
19use std::vec::IntoIter;
20
21use super::core::MokaCore;
22use crate::raw::oio;
23use crate::raw::*;
24use crate::*;
25
26pub struct MokaLister {
27    root: String,
28    keys: IntoIter<String>,
29}
30
31impl MokaLister {
32    pub fn new(core: Arc<MokaCore>, root: String, _path: String) -> Self {
33        // Get all keys from the cache
34        let keys: Vec<String> = core.cache.iter().map(|kv| kv.0.to_string()).collect();
35
36        Self {
37            root,
38            keys: keys.into_iter(),
39        }
40    }
41}
42
43impl oio::List for MokaLister {
44    async fn next(&mut self) -> Result<Option<oio::Entry>> {
45        match self.keys.next() {
46            Some(key) => {
47                // Convert absolute path to relative path
48                let mut path = build_rel_path(&self.root, &key);
49                if path.is_empty() {
50                    path = "/".to_string();
51                }
52
53                // Determine if it's a file or directory based on trailing slash
54                let mode = if key.ends_with('/') {
55                    EntryMode::DIR
56                } else {
57                    EntryMode::FILE
58                };
59
60                Ok(Some(oio::Entry::new(&path, Metadata::new(mode))))
61            }
62            None => Ok(None),
63        }
64    }
65}
opendal/services/moka/lister.rs

opendal/services/moka/
lister.rs
