Struct PersistentCache 

pub struct PersistentCache<K, V> { /* private fields */ }

Persistent cache that stores data on disk with LRU eviction

Implementations

impl<K, V> PersistentCache<K, V>

where K: Clone + Eq + Hash + Display + FromStr, V: Clone + Serialize + for<'de> Deserialize<'de>,

pub fn new<P: AsRef<Path>>(cache_dir: P, capacity: usize) -> Result<Self>

Create a new persistent cache with the specified directory and capacity

pub fn get(&mut self, key: &K) -> Result<Option<V>>

Get a value from the cache

pub fn insert(&mut self, key: K, value: V) -> Result<()>

Insert a value into the cache

pub fn len(&self) -> usize

Get current cache size

pub fn is_empty(&self) -> bool

Check if cache is empty

pub fn clear(&mut self) -> Result<()>

Clear all cached items

pub fn capacity(&self) -> usize

Get cache capacity

pub fn cache_dir(&self) -> &Path

Get cache directory