1  use std::num::NonZeroUsize;
 2  use std::sync::Arc;
 3  
 4  use lru::LruCache;
 5  use tokio::sync::Mutex;
 6  
 7  use radicle::prelude::RepoId;
 8  use radicle_surf::Oid;
 9  
10  #[derive(Clone)]
11  pub struct Cache {
12      pub tree: Arc<Mutex<LruCache<(RepoId, Oid, String), serde_json::Value>>>,
13  }
14  
15  impl Cache {
16      /// Creates a new cache of the given size.
17      pub fn new(size: NonZeroUsize) -> Self {
18          Cache {
19              tree: Arc::new(Mutex::new(LruCache::new(size))),
20          }
21      }
22  }