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ValPact

differential_dataflow::columnar::exchange

Struct ValPact 

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pub struct ValPact<H> {
    pub hashfunc: H,
}
Expand description

PACT for shuffling RecordedUpdates containers by hashing keys.

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§hashfunc: H

Hash function applied to each key reference.

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impl<T, U, H> ParallelizationContract<T, RecordedUpdates<U>> for ValPact<H>
where T: Timestamp, U: Update, H: for<'a> FnMut(Ref<'a, U::Key>) -> u64 + 'static,

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type Pusher = Exchange<T, LogPusher<Box<dyn Push<Message<T, RecordedUpdates<U>>>>>, ValDistributor<U, H>>

Type implementing Push produced by this pact.
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type Puller = LogPuller<Box<dyn Pull<Message<T, RecordedUpdates<U>>>>>

Type implementing Pull produced by this pact.
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fn connect( self, worker: &Worker, identifier: usize, address: Rc<[usize]>, logging: Option<TimelyLogger>, ) -> (Self::Pusher, Self::Puller)

Allocates a matched pair of push and pull endpoints implementing the pact.

Auto Trait Implementations§

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impl<H> Freeze for ValPact<H>
where H: Freeze,

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impl<H> RefUnwindSafe for ValPact<H>
where H: RefUnwindSafe,

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impl<H> Send for ValPact<H>
where H: Send,

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impl<H> Sync for ValPact<H>
where H: Sync,

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impl<H> Unpin for ValPact<H>
where H: Unpin,

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impl<H> UnsafeUnpin for ValPact<H>
where H: UnsafeUnpin,

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impl<H> UnwindSafe for ValPact<H>
where H: UnwindSafe,

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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, 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<'a, S, T> Semigroup<&'a S> for T
where T: Semigroup<S>,

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fn plus_equals(&mut self, rhs: &&'a S)

The method of std::ops::AddAssign, for types that do not implement AddAssign.
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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.