Fetch

Enum Fetch

pub enum Fetch<K, V, ER, S = DefaultHasher, P = CacheProperties>where
    K: Key,
    V: Value,
    S: HashBuilder,
    P: Properties,{
    Fifo(DiversionFuture<RawFetchInner<Fifo<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Fifo<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>),
    S3Fifo(DiversionFuture<RawFetchInner<S3Fifo<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<S3Fifo<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>),
    Lru(DiversionFuture<RawFetchInner<Lru<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lru<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>),
    Lfu(DiversionFuture<RawFetchInner<Lfu<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lfu<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>),
    Sieve(DiversionFuture<RawFetchInner<Sieve<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Sieve<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>),
}

Expand description

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

Variants§

Fifo(DiversionFuture<RawFetchInner<Fifo<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Fifo<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>)

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

S3Fifo(DiversionFuture<RawFetchInner<S3Fifo<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<S3Fifo<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>)

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

Lru(DiversionFuture<RawFetchInner<Lru<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lru<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>)

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

Lfu(DiversionFuture<RawFetchInner<Lfu<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lfu<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>)

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

Sieve(DiversionFuture<RawFetchInner<Sieve<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Sieve<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>)

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

Implementations§

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

pub fn state(&self) -> FetchState

Get the fetch state.

Trait Implementations§

impl<K, V, ER, S, P> From<DiversionFuture<RawFetchInner<Fifo<K, V, P>, ER, S, HashTableIndexer<Fifo<K, V, P>>>, Result<RawCacheEntry<Fifo<K, V, P>, S>, ER>, FetchContext>> for Fetch<K, V, ER, S, P>
where K: Key, V: Value, S: HashBuilder, P: Properties,

fn from( entry: DiversionFuture<RawFetchInner<Fifo<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Fifo<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>, ) -> Self

Converts to this type from the input type.

impl<K, V, ER, S, P> From<DiversionFuture<RawFetchInner<Lfu<K, V, P>, ER, S, HashTableIndexer<Lfu<K, V, P>>>, Result<RawCacheEntry<Lfu<K, V, P>, S>, ER>, FetchContext>> for Fetch<K, V, ER, S, P>
where K: Key, V: Value, S: HashBuilder, P: Properties,

fn from( entry: DiversionFuture<RawFetchInner<Lfu<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lfu<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>, ) -> Self

Converts to this type from the input type.

impl<K, V, ER, S, P> From<DiversionFuture<RawFetchInner<Lru<K, V, P>, ER, S, HashTableIndexer<Lru<K, V, P>>>, Result<RawCacheEntry<Lru<K, V, P>, S>, ER>, FetchContext>> for Fetch<K, V, ER, S, P>
where K: Key, V: Value, S: HashBuilder, P: Properties,

fn from( entry: DiversionFuture<RawFetchInner<Lru<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Lru<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>, ) -> Self

Converts to this type from the input type.

impl<K, V, ER, S, P> From<DiversionFuture<RawFetchInner<S3Fifo<K, V, P>, ER, S, HashTableIndexer<S3Fifo<K, V, P>>>, Result<RawCacheEntry<S3Fifo<K, V, P>, S>, ER>, FetchContext>> for Fetch<K, V, ER, S, P>
where K: Key, V: Value, S: HashBuilder, P: Properties,

fn from( entry: DiversionFuture<RawFetchInner<S3Fifo<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<S3Fifo<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>, ) -> Self

Converts to this type from the input type.

impl<K, V, ER, S, P> From<DiversionFuture<RawFetchInner<Sieve<K, V, P>, ER, S, HashTableIndexer<Sieve<K, V, P>>>, Result<RawCacheEntry<Sieve<K, V, P>, S>, ER>, FetchContext>> for Fetch<K, V, ER, S, P>
where K: Key, V: Value, S: HashBuilder, P: Properties,

fn from( entry: DiversionFuture<RawFetchInner<Sieve<K, V, P>, ER, S, HashTableIndexer<E>>, Result<RawCacheEntry<Sieve<K, V, P>, S, HashTableIndexer<E>>, ER>, FetchContext>, ) -> Self

Converts to this type from the input type.

impl<K, V, ER, S, P> Future for Fetch<K, V, ER, S, P>
where K: Key, V: Value, ER: From<Error>, S: HashBuilder, P: Properties,

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

The type of value produced on completion.

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

impl<'pin, K, V, ER, S, P> Unpin for Fetch<K, V, ER, S, P>
where K: Key, V: Value, S: HashBuilder, P: Properties, PinnedFieldsOf<__Fetch<'pin, K, V, ER, S, P>>: Unpin,

Auto Trait Implementations§

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

impl<K, V, ER, S = BuildHasherDefault<Hasher>, P = CacheProperties> !RefUnwindSafe for Fetch<K, V, ER, S, P>

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

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

impl<K, V, ER, S = BuildHasherDefault<Hasher>, P = CacheProperties> !UnwindSafe for Fetch<K, V, ER, S, P>

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

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

impl<F> IntoFuture for F
where F: Future,

type Output = <F as Future>::Output

The output that the future will produce on completion.

type IntoFuture = F

Which kind of future are we turning this into?

fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more

impl<T> Scope for T

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

Scoped with ownership.

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

Scoped with reference.

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

Scoped with mutable reference.

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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