foyer_memory

Enum Fetch

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pub enum Fetch<K, V, ER, S = RandomState>
where
    K: Key,
    V: Value,
    S: HashBuilder,
{
    Fifo(DiversionFuture<GenericFetchInner<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S>, ER>, FetchMark>),
    Lru(DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S>, ER>, FetchMark>),
    Lfu(DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S>, ER>, FetchMark>),
    S3Fifo(DiversionFuture<GenericFetchInner<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S>, ER>, FetchMark>),
}
Expand description

A future that is used to get entry value from the remote storage for the in-memory cache.

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Fifo(DiversionFuture<GenericFetchInner<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S>, ER>, FetchMark>)

A future that is used to get entry value from the remote storage for the in-memory FIFO cache.

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Lru(DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S>, ER>, FetchMark>)

A future that is used to get entry value from the remote storage for the in-memory LRU cache.

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Lfu(DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S>, ER>, FetchMark>)

A future that is used to get entry value from the remote storage for the in-memory LFU cache.

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S3Fifo(DiversionFuture<GenericFetchInner<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S>, ER>, FetchMark>)

A future that is used to get entry value from the remote storage for the in-memory S3FIFO cache.

Implementations§

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impl<K, V, ER, S> Fetch<K, V, ER, S>
where K: Key, V: Value, S: HashBuilder,

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pub fn state(&self) -> FetchState

Get the fetch state.

Trait Implementations§

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impl<K, V, ER, S> From<DiversionFuture<GenericFetchInner<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S>, ER>, FetchMark>> for Fetch<K, V, ER, S>
where K: Key, V: Value, S: HashBuilder,

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fn from( entry: DiversionFuture<GenericFetchInner<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S>, ER>, FetchMark>, ) -> Self

Converts to this type from the input type.
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impl<K, V, ER, S> From<DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S>, ER>, FetchMark>> for Fetch<K, V, ER, S>
where K: Key, V: Value, S: HashBuilder,

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fn from( entry: DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S>, ER>, FetchMark>, ) -> Self

Converts to this type from the input type.
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impl<K, V, ER, S> From<DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S>, ER>, FetchMark>> for Fetch<K, V, ER, S>
where K: Key, V: Value, S: HashBuilder,

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fn from( entry: DiversionFuture<GenericFetchInner<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S>, ER>, FetchMark>, ) -> Self

Converts to this type from the input type.
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impl<K, V, ER, S> From<DiversionFuture<GenericFetchInner<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S>, ER>, FetchMark>> for Fetch<K, V, ER, S>
where K: Key, V: Value, S: HashBuilder,

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fn from( entry: DiversionFuture<GenericFetchInner<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S, ER>, Result<GenericCacheEntry<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S>, ER>, FetchMark>, ) -> Self

Converts to this type from the input type.
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impl<K, V, ER, S> Future for Fetch<K, V, ER, S>
where K: Key, V: Value, ER: From<RecvError>, S: HashBuilder,

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type Output = Result<CacheEntry<K, V, S>, ER>

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more
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impl<'pin, K, V, ER, S> Unpin for Fetch<K, V, ER, S>
where K: Key, V: Value, S: HashBuilder, __Fetch<'pin, K, V, ER, S>: Unpin,

Auto Trait Implementations§

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impl<K, V, ER, S> Freeze for Fetch<K, V, ER, S>

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impl<K, V, ER, S = RandomState> !RefUnwindSafe for Fetch<K, V, ER, S>

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impl<K, V, ER, S> Send for Fetch<K, V, ER, S>
where ER: Send,

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impl<K, V, ER, S> Sync for Fetch<K, V, ER, S>
where ER: Sync + Send,

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impl<K, V, ER, S = RandomState> !UnwindSafe for Fetch<K, V, ER, S>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FutureExt for T
where T: Future,

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fn in_span(self, span: Span) -> InSpan<Self> ⓘ

Binds a Span to the Future that continues to record until the future is dropped. Read more
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fn enter_on_poll(self, name: impl Into<Cow<'static, str>>) -> EnterOnPoll<Self>

Starts a LocalSpan at every Future::poll(). If the future gets polled multiple times, it will create multiple short spans. Read more
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impl<T> FutureExt for T
where T: Future + ?Sized,

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fn map<U, F>(self, f: F) -> Map<Self, F>
where F: FnOnce(Self::Output) -> U, Self: Sized,

Map this future’s output to a different type, returning a new future of the resulting type. Read more
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fn map_into<U>(self) -> MapInto<Self, U>
where Self::Output: Into<U>, Self: Sized,

Map this future’s output to a different type, returning a new future of the resulting type. Read more
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fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>
where F: FnOnce(Self::Output) -> Fut, Fut: Future, Self: Sized,

Chain on a computation for when a future finished, passing the result of the future to the provided closure f. Read more
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fn left_future<B>(self) -> Either<Self, B>
where B: Future<Output = Self::Output>, Self: Sized,

Wrap this future in an Either future, making it the left-hand variant of that Either. Read more
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fn right_future<A>(self) -> Either<A, Self>
where A: Future<Output = Self::Output>, Self: Sized,

Wrap this future in an Either future, making it the right-hand variant of that Either. Read more
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fn into_stream(self) -> IntoStream<Self>
where Self: Sized,

Convert this future into a single element stream. Read more
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fn flatten(self) -> Flatten<Self>
where Self::Output: Future, Self: Sized,

Flatten the execution of this future when the output of this future is itself another future. Read more
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fn flatten_stream(self) -> FlattenStream<Self>
where Self::Output: Stream, Self: Sized,

Flatten the execution of this future when the successful result of this future is a stream. Read more
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fn fuse(self) -> Fuse<Self>
where Self: Sized,

Fuse a future such that poll will never again be called once it has completed. This method can be used to turn any Future into a FusedFuture. Read more
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fn inspect<F>(self, f: F) -> Inspect<Self, F>
where F: FnOnce(&Self::Output), Self: Sized,

Do something with the output of a future before passing it on. Read more
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fn catch_unwind(self) -> CatchUnwind<Self>
where Self: Sized + UnwindSafe,

Catches unwinding panics while polling the future. Read more
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fn shared(self) -> Shared<Self>
where Self: Sized, Self::Output: Clone,

Create a cloneable handle to this future where all handles will resolve to the same result. Read more
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fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)
where Self: Sized,

Turn this future into a future that yields () on completion and sends its output to another future on a separate task. Read more
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fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
where Self: Sized + Send + 'a,

Wrap the future in a Box, pinning it. Read more
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fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>
where Self: Sized + 'a,

Wrap the future in a Box, pinning it. Read more
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fn unit_error(self) -> UnitError<Self>
where Self: Sized,

Turns a Future<Output = T> into a TryFuture<Ok = T, Error = ()>.
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fn never_error(self) -> NeverError<Self>
where Self: Sized,

Turns a Future<Output = T> into a TryFuture<Ok = T, Error = Never>.
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fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
where Self: Unpin,

A convenience for calling Future::poll on Unpin future types.
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fn now_or_never(self) -> Option<Self::Output>
where Self: Sized,

Evaluates and consumes the future, returning the resulting output if the future is ready after the first call to Future::poll. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<F> IntoFuture for F
where F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<F, T, E> TryFuture for F
where F: Future<Output = Result<T, E>> + ?Sized,

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type Ok = T

The type of successful values yielded by this future
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type Error = E

The type of failures yielded by this future
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fn try_poll( self: Pin<&mut F>, cx: &mut Context<'_>, ) -> Poll<<F as Future>::Output>

Poll this TryFuture as if it were a Future. Read more
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impl<Fut> TryFutureExt for Fut
where Fut: TryFuture + ?Sized,

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fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>
where Self::Ok: Sink<Item, Error = Self::Error>, Self: Sized,

Flattens the execution of this future when the successful result of this future is a Sink. Read more
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fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>
where F: FnOnce(Self::Ok) -> T, Self: Sized,

Maps this future’s success value to a different value. Read more
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fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E>
where F: FnOnce(Self::Ok) -> T, E: FnOnce(Self::Error) -> T, Self: Sized,

Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more
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fn map_err<E, F>(self, f: F) -> MapErr<Self, F>
where F: FnOnce(Self::Error) -> E, Self: Sized,

Maps this future’s error value to a different value. Read more
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fn err_into<E>(self) -> ErrInto<Self, E>
where Self: Sized, Self::Error: Into<E>,

Maps this future’s Error to a new error type using the Into trait. Read more
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fn ok_into<U>(self) -> OkInto<Self, U>
where Self: Sized, Self::Ok: Into<U>,

Maps this future’s Ok to a new type using the Into trait.
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fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>
where F: FnOnce(Self::Ok) -> Fut, Fut: TryFuture<Error = Self::Error>, Self: Sized,

Executes another future after this one resolves successfully. The success value is passed to a closure to create this subsequent future. Read more
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fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>
where F: FnOnce(Self::Error) -> Fut, Fut: TryFuture<Ok = Self::Ok>, Self: Sized,

Executes another future if this one resolves to an error. The error value is passed to a closure to create this subsequent future. Read more
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fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>
where F: FnOnce(&Self::Ok), Self: Sized,

Do something with the success value of a future before passing it on. Read more
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fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>
where F: FnOnce(&Self::Error), Self: Sized,

Do something with the error value of a future before passing it on. Read more
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fn try_flatten(self) -> TryFlatten<Self, Self::Ok>
where Self::Ok: TryFuture<Error = Self::Error>, Self: Sized,

Flatten the execution of this future when the successful result of this future is another future. Read more
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fn try_flatten_stream(self) -> TryFlattenStream<Self>
where Self::Ok: TryStream<Error = Self::Error>, Self: Sized,

Flatten the execution of this future when the successful result of this future is a stream. Read more
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fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F>
where Self: Sized, F: FnOnce(Self::Error) -> Self::Ok,

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fn into_future(self) -> IntoFuture<Self>
where Self: Sized,

Wraps a TryFuture into a type that implements Future. Read more
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fn try_poll_unpin( &mut self, cx: &mut Context<'_>, ) -> Poll<Result<Self::Ok, Self::Error>>
where Self: Unpin,

A convenience method for calling TryFuture::try_poll on Unpin future types.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

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impl<T> Value for T
where T: Send + Sync + 'static,