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CacheResponseLayer

autumn_web::cache

Struct CacheResponseLayer 

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pub struct CacheResponseLayer { /* private fields */ }
Expand description

Tower layer that caches HTTP GET responses.

Wrap around a handler via #[intercept(CacheResponseLayer::from_cache(store))] or construct manually and apply with .layer().

Caching rules:

  • Only GET requests are cached.
  • Only 200 OK responses are cached.
  • The cache key is the request URI path + query string.

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impl CacheResponseLayer

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pub fn from_cache(store: impl Cache + 'static) -> Self

Create a layer backed by the given cache store.

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pub fn from_shared(store: Arc<dyn Cache>) -> Self

Create from an existing Arc<dyn Cache>.

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pub fn from_app(state: &AppState) -> Option<Self>

Create from the global cache registered in AppState.

Returns None when no global cache has been registered (i.e. the app is running with the default per-function Moka caches only).

Trait Implementations§

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impl Clone for CacheResponseLayer

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fn clone(&self) -> CacheResponseLayer

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<S> Layer<S> for CacheResponseLayer

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type Service = CacheResponseService<S>

The wrapped service
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fn layer(&self, inner: S) -> Self::Service

Wrap the given service with the middleware, returning a new service that has been decorated with the middleware.

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impl<T> AggregateExpressionMethods for T

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fn aggregate_distinct(self) -> Self::Output
where Self: DistinctDsl,

DISTINCT modifier for aggregate functions Read more
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fn aggregate_all(self) -> Self::Output
where Self: AllDsl,

ALL modifier for aggregate functions Read more
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fn aggregate_filter<P>(self, f: P) -> Self::Output
where P: AsExpression<Bool>, Self: FilterDsl<<P as AsExpression<Bool>>::Expression>,

Add an aggregate function filter Read more
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fn aggregate_order<O>(self, o: O) -> Self::Output
where Self: OrderAggregateDsl<O>,

Add an aggregate function order Read more
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impl<T> Any for T
where T: 'static + ?Sized,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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where L: Clone + Send + Sync + 'static + Layer<Route>, <L as Layer<Route>>::Service: Service<Request<Body>, Response = Response<Body>, Error = Infallible> + Clone + Send + Sync + 'static, <<L as Layer<Route>>::Service as Service<Request<Body>>>::Future: Send + 'static,

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fn apply_to(self, router: Router<AppState>) -> Router<AppState>

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where &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. Read more
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Attempts to load a single record. Read more
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