57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
// REMOVE THIS LINE after fully implementing this functionality
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// Copyright (c) 2022-2025 Alex Chi Z
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#![allow(unused_variables)] // TODO(you): remove this lint after implementing this mod
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#![allow(dead_code)] // TODO(you): remove this lint after implementing this mod
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use anyhow::Result;
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use bytes::Bytes;
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use crossbeam_skiplist::SkipMap;
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use parking_lot::Mutex;
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use std::fs::File;
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use std::io::BufWriter;
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use std::path::Path;
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use std::sync::Arc;
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use crate::key::KeySlice;
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pub struct Wal {
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file: Arc<Mutex<BufWriter<File>>>,
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}
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impl Wal {
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pub fn create(_path: impl AsRef<Path>) -> Result<Self> {
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Ok(Self {
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file: Arc::new(Mutex::new(BufWriter::new(File::create(_path)?))),
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})
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}
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pub fn recover(_path: impl AsRef<Path>, _skiplist: &SkipMap<Bytes, Bytes>) -> Result<Self> {
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unimplemented!()
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}
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pub fn put(&self, _key: &[u8], _value: &[u8]) -> Result<()> {
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unimplemented!()
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}
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/// Implement this in week 3, day 5; if you want to implement this earlier, use `&[u8]` as the key type.
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pub fn put_batch(&self, _data: &[(KeySlice, &[u8])]) -> Result<()> {
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unimplemented!()
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}
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pub fn sync(&self) -> Result<()> {
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unimplemented!()
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}
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}
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