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<RawFetchInner<Fifo<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Fifo<K, V>, S, HashTableIndexer<E>>, ER>, FetchMark>),
    S3Fifo(DiversionFuture<RawFetchInner<S3Fifo<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<S3Fifo<K, V>, S, HashTableIndexer<E>>, ER>, FetchMark>),
    Lru(DiversionFuture<RawFetchInner<Lru<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lru<K, V>, S, HashTableIndexer<E>>, ER>, FetchMark>),
    Lfu(DiversionFuture<RawFetchInner<Lfu<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lfu<K, V>, S, HashTableIndexer<E>>, 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<RawFetchInner<Fifo<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Fifo<K, V>, S, HashTableIndexer<E>>, 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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S3Fifo(DiversionFuture<RawFetchInner<S3Fifo<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<S3Fifo<K, V>, S, HashTableIndexer<E>>, ER>, FetchMark>)

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

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Lru(DiversionFuture<RawFetchInner<Lru<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lru<K, V>, S, HashTableIndexer<E>>, 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<RawFetchInner<Lfu<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lfu<K, V>, S, HashTableIndexer<E>>, 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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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<RawFetchInner<Fifo<K, V>, ER, S, HashTableIndexer<Fifo<K, V>>>, Result<RawCacheEntry<Fifo<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<RawFetchInner<Fifo<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Fifo<K, V>, S, HashTableIndexer<E>>, ER>, FetchMark>, ) -> Self

Converts to this type from the input type.
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impl<K, V, ER, S> From<DiversionFuture<RawFetchInner<Lfu<K, V>, ER, S, HashTableIndexer<Lfu<K, V>>>, Result<RawCacheEntry<Lfu<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<RawFetchInner<Lfu<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lfu<K, V>, S, HashTableIndexer<E>>, ER>, FetchMark>, ) -> Self

Converts to this type from the input type.
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impl<K, V, ER, S> From<DiversionFuture<RawFetchInner<Lru<K, V>, ER, S, HashTableIndexer<Lru<K, V>>>, Result<RawCacheEntry<Lru<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<RawFetchInner<Lru<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lru<K, V>, S, HashTableIndexer<E>>, ER>, FetchMark>, ) -> Self

Converts to this type from the input type.
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impl<K, V, ER, S> From<DiversionFuture<RawFetchInner<S3Fifo<K, V>, ER, S, HashTableIndexer<S3Fifo<K, V>>>, Result<RawCacheEntry<S3Fifo<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<RawFetchInner<S3Fifo<K, V>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<S3Fifo<K, V>, S, HashTableIndexer<E>>, 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, PinnedFieldsOf<__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>

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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> 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> Scope for T

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fn with<F, R>(self, f: F) -> R
where Self: Sized, F: FnOnce(Self) -> R,

Scoped with ownership.
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fn with_ref<F, R>(&self, f: F) -> R
where F: FnOnce(&Self) -> R,

Scoped with reference.
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fn with_mut<F, R>(&mut self, f: F) -> R
where F: FnOnce(&mut Self) -> R,

Scoped with mutable reference.
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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<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>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> Value for T
where T: Send + Sync + 'static,