19 unstable releases (3 breaking)

0.4.10 Feb 27, 2023
0.4.9 Feb 27, 2023
0.3.2 Feb 26, 2023
0.2.0 Feb 25, 2023
0.1.3 Feb 25, 2023

#6 in #cache-expiration

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53 downloads per month

MIT license

24KB
490 lines

thread-safe-cache

Features

  • Thread safe
  • Key/Value cache
  • Expiration
  • Save/Load to file
  • Embedded mode
  • Max size

Todo

  • Client/Server mode
  • LRU
  • Tags

Usage

use thread_safe_cache::*;
use std::thread;
use std::thread::sleep;
use std::time::Duration;
fn main() {
    let mut builder: BuilderEmbedded<String, i32> = BuilderEmbedded::init();
    builder.max_size(1000);
    let mut cache_init = builder.build();
    let mut cache1 = cache_init.clone();
    thread::spawn(move || {
        cache1.put("key1".to_string(), 1);
        cache1.put_exp("key2".to_string(), 2, 3000);
    });
    let mut cache2 = cache_init.clone();
    let t = thread::spawn(move || {
        sleep(Duration::from_millis(2000));
        cache2.rm("key1".to_string());
        cache2.get("key2".to_string())
    });
    assert_eq!(t.join().unwrap(),Some(2));
    let mut cache3 = cache_init.clone();
    assert_eq!(cache3.get("key2".to_string()), Some(2));
    sleep(Duration::from_millis(2000));
    assert_eq!(cache3.get("key2".to_string()), None);
}

use thread_safe_cache::*;
fn main() {
    let mut builder: BuilderEmbedded<String, i32> = BuilderEmbedded::init();
    let mut cache = builder.build();
    cache.put("a".to_string(), 1);
    cache.save("test.db");

    let mut builder: BuilderEmbedded<String, i32> = BuilderEmbedded::init();
    builder.max_size(1000);
    let mut cache_clean = builder.build();
    cache_clean.load("test.db");
    assert_eq!(cache_clean.get("a".to_string()), Some(1));
}

Dependencies

~4–14MB
~147K SLoC