Struct DataCache 

pub struct DataCache { /* private fields */ }

LRU cache for data sources

Implementations

impl DataCache

pub fn new(capacity: usize) -> Self

Create a new cache with given capacity

pub fn with_ttl(self, ttl: Duration) -> Self

Set default TTL

pub fn get(&self, key: &str) -> Option<DataSource>

Get from cache

pub fn insert(&self, key: String, data: DataSource)

Insert into cache

pub fn insert_with_ttl(&self, key: String, data: DataSource, ttl: Duration)

Insert with custom TTL

pub fn remove(&self, key: &str) -> Option<DataSource>

Remove from cache

pub fn clear(&self)

Clear all entries

pub fn len(&self) -> usize

Get cache size

pub fn is_empty(&self) -> bool

Check if cache is empty

pub fn stats(&self) -> &CacheStats

Get cache statistics

pub fn contains(&self, key: &str) -> bool

Check if key exists and is not expired