Struct CacheAside 

pub struct CacheAside<S> { /* private fields */ }

High-level cache-aside client with singleflight and negative caching.

Implementations

impl<S> CacheAside<S>

pub fn new(store: S, config: CacheAsideConfig) -> Self

Creates a cache-aside helper around the given store.

pub fn stats(&self) -> CacheStats

Returns shared cache statistics.

pub fn with_metrics(self, metrics: MetricsRegistry) -> Self

Attaches a metrics registry to this cache-aside helper.

impl<S> CacheAside<S>

where S: CacheStore,

pub async fn delete(&self, key: &CacheKey) -> CacheResult<()>

Deletes a cached value and records delete failures in shared stats.

pub async fn get_or_load_json<T, F, Fut>( &self, key: &CacheKey, loader: F, ) -> CacheResult<Option<T>>

where T: DeserializeOwned + Serialize + Send + Sync, F: FnOnce() -> Fut + Send, Fut: Future<Output = CacheResult<Option<T>>> + Send,

Reads JSON from cache or loads it once for concurrent misses.

Trait Implementations

impl<S: Clone> Clone for CacheAside<S>

fn clone(&self) -> CacheAside<S>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<S: Debug> Debug for CacheAside<S>

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

Formats the value using the given formatter.