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Objective

vrp_pragmatic::format::problem

Enum Objective 

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pub enum Objective {

Show 16 variants    MinimizeCost,
    MinimizeDistance,
    MinimizeDuration,
    MinimizeTours,
    MaximizeTours,
    MaximizeValue {
        breaks: Option<Float>,
    },
    MinimizeUnassigned {
        breaks: Option<Float>,
    },
    MinimizeArrivalTime,
    BalanceMaxLoad,
    BalanceActivities,
    BalanceDistance,
    BalanceDuration,
    CompactTour {
        job_radius: usize,
    },
    TourOrder,
    FastService,
    MultiObjective {
        strategy: MultiStrategy,
        objectives: Vec<Objective>,
    },

}
Expand description

Specifies objective function types.

Variants§

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MinimizeCost

An objective to minimize total cost as a linear combination of total time and distance.

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MinimizeDistance

An objective to minimize total distance.

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MinimizeDuration

An objective to minimize total duration.

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MinimizeTours

An objective to minimize total tour amount.

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MaximizeTours

An objective to maximize total tour amount.

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MaximizeValue

An objective to maximize value of served jobs.

Fields

§breaks: Option<Float>

Specifies a weight of skipped breaks.

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MinimizeUnassigned

An objective to minimize number of unassigned jobs.

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§breaks: Option<Float>

A skipped break weight to increase/decrease break is importance. Default is 1.

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MinimizeArrivalTime

An objective to minimize sum of arrival times from all routes.

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BalanceMaxLoad

An objective to balance max load across all tours.

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BalanceActivities

An objective to balance activities across all tours.

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BalanceDistance

An objective to balance distance across all tours.

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BalanceDuration

An objective to balance duration across all tours.

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CompactTour

An objective to control how tours are built.

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§job_radius: usize

Specifies radius of neighbourhood. Min is 1.

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TourOrder

An objective to control order of job activities in the tour.

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FastService

An objective to prefer jobs to be served as soon as possible.

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MultiObjective

A multi objective allows to define multiple competitive objectives at the same layer of hierarchy.

Fields

§strategy: MultiStrategy

An objective composition type.

§objectives: Vec<Objective>

Competitive objectives except Composite type (nesting is currently not supported).

Trait Implementations§

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impl Clone for Objective

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fn clone(&self) -> Objective

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Objective

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for Objective

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for Objective

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait 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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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.
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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> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,