opendal/services/redis/
writer.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 super::core::RedisCore;
19use crate::raw::oio;
20use crate::*;
21
22pub struct RedisWriter {
23    core: std::sync::Arc<RedisCore>,
24    path: String,
25    buffer: oio::QueueBuf,
26}
27
28impl RedisWriter {
29    pub fn new(core: std::sync::Arc<RedisCore>, path: String) -> Self {
30        Self {
31            core,
32            path,
33            buffer: oio::QueueBuf::new(),
34        }
35    }
36}
37
38impl oio::Write for RedisWriter {
39    async fn write(&mut self, bs: Buffer) -> Result<()> {
40        self.buffer.push(bs);
41        Ok(())
42    }
43
44    async fn close(&mut self) -> Result<Metadata> {
45        let buf = self.buffer.clone().collect();
46        let length = buf.len() as u64;
47        self.core.set(&self.path, buf).await?;
48
49        let meta = Metadata::new(EntryMode::from_path(&self.path)).with_content_length(length);
50        Ok(meta)
51    }
52
53    async fn abort(&mut self) -> Result<()> {
54        self.buffer.clear();
55        Ok(())
56    }
57}
opendal/services/redis/writer.rs

opendal/services/redis/
writer.rs
