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ChoiceSampler

des_sim::modeling::sampler::instance

Struct ChoiceSampler 

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

A sampler that selects one of several sub-samplers based on a weighted distribution.

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impl ChoiceSampler

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pub fn new( histogram: impl IntoIterator<Item = (Box<dyn DurationSampler>, u64)>, ) -> Self

Constructs a ChoiceSampler from a collection of (DurationSampler, Weight) pairs.

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pub fn new_as_uniform( histogram: impl IntoIterator<Item = Box<dyn DurationSampler>>, ) -> Self

Constructs a ChoiceSampler with uniform weight (1) for all provided samplers.

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impl DurationSampler for ChoiceSampler

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fn sample( &mut self, rng: &mut dyn Rng, current_tick: SimTime, ) -> PendingDuration

Generates a sample given a random number generator and the current simulation time.

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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> CombinatorExt for T
where T: DurationSampler + 'static,

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fn boxed(self) -> Box<dyn DurationSampler>

Boxes the sampler into a Box<dyn DurationSampler> to erase its concrete type.
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fn boxed_clonable(self) -> Box<dyn ClonableDurationSampler>
where Self: Clone + Send + Sync,

Boxes the sampler as a cloneable trait object. Requires the underlying sampler to be Clone, Send, and Sync.
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fn map<F>(self, f: F) -> MapSampler<Self, F>
where F: FnMut(&mut dyn Rng, SimTime, f64) -> f64,

Transforms the output of this sampler using the provided closure f.
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fn delay(self, delay: Box<dyn DurationSampler>) -> DelaySampler<Self>

Adds a delay to the result of this sampler using another sampler for the duration.
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fn jitter(self, jitter: Box<dyn DurationSampler>) -> JitterSampler<Self>

Adds a jitter (noise) to the result of this sampler using another sampler for the variation.
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fn chain<F>( self, sampler: Box<dyn DurationSampler>, f: F, ) -> ChainSampler<Self, F>
where F: FnMut(&mut dyn Rng, SimTime, f64, f64) -> f64,

Chains this sampler with another, combining their outputs using the provided closure f.
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fn aggregate<F>( self, others: impl IntoIterator<Item = Box<dyn DurationSampler>>, f: F, ) -> AggregateSampler<F>
where F: FnMut(&mut dyn Rng, SimTime, Vec<f64>) -> f64,

Aggregates the results of this sampler and a collection of others into a single value using the provided closure f.
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fn aggregate_builder(self) -> AggregateBuilder

Returns an AggregateBuilder initialized with this sampler, allowing for a more flexible construction of aggregate samplers.
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fn clamp(self, min: f64, max: f64) -> ClampSampler<Self>

Clamps the output of this sampler within the range [min, max].
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fn ensure_non_negative<F>( self, limit_try_count: u8, fallback: F, ) -> EnsureNonNegativeSampler<Self, F>
where F: FnMut(&mut dyn Rng, SimTime) -> Duration,

Ensures the sampled duration is non-negative. 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<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<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.