Struct EntityCache 

pub struct EntityCache { /* private fields */ }

Thread-safe entity cache with LRU eviction and TTL.

Implementations

impl EntityCache

pub fn new(max_entries: usize, default_ttl: Duration) -> Self

Create a new entity cache.

pub fn get(&self, key: &EntityCacheKey) -> Option<String>

Look up a cached entity.

Returns Some(data_json) on a hit, or None on a miss / expired entry.

pub fn put(&self, key: EntityCacheKey, entity: ResolvedEntity)

Store a resolved entity with the default TTL.

pub fn put_with_ttl( &self, key: EntityCacheKey, entity: ResolvedEntity, ttl: Duration, )

Store a resolved entity with an explicit TTL.

pub fn evict_expired(&self) -> usize

Remove expired entries.

pub fn clear(&self) -> usize

Clear all entries.

pub fn size(&self) -> usize

Current number of entries.

pub fn stats(&self) -> EntityCacheStats

Return cache statistics.

pub fn hit_rate(&self) -> f64

Hit rate [0.0, 1.0].

Trait Implementations

impl Debug for EntityCache

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.