pub struct SingleDimLoad {
pub value: i32,
}
Expand description
Specifies single dimensional load type.
Fields§
§value: i32
An actual load value.
Implementations§
Source§impl SingleDimLoad
impl SingleDimLoad
Sourcepub fn new(value: i32) -> Self
pub fn new(value: i32) -> Self
Creates a new instance of SingleDimLoad
.
Examples found in repository?
examples/custom_objective.rs (line 105)
84fn define_problem(goal: GoalContext, transport: Arc<dyn TransportCost>) -> GenericResult<Problem> {
85 // create 4 jobs where two are having top prio
86 let single_jobs = (1..=4)
87 .map(|idx| {
88 SingleBuilder::default()
89 .id(format!("job{idx}").as_str())
90 .demand(Demand::delivery(1))
91 .dimension(|dimens| {
92 // mark two jobs as top priority (2 and 4 locations)
93 dimens.set_job_priority(idx % 2 == 0);
94 })
95 .location(idx)?
96 .build_as_job()
97 })
98 .collect::<Result<Vec<_>, _>>()?;
99
100 // define a single vehicle with limited capacity which doesn't need to return back to the depot
101 let vehicle = VehicleBuilder::default()
102 .id("v1".to_string().as_str())
103 .add_detail(VehicleDetailBuilder::default().set_start_location(0).build()?)
104 // only two jobs can be served by the vehicle
105 .capacity(SingleDimLoad::new(2))
106 .build()?;
107
108 ProblemBuilder::default()
109 .add_jobs(single_jobs.into_iter())
110 .add_vehicles(once(vehicle))
111 .with_goal(goal)
112 .with_transport_cost(transport)
113 .build()
114}
More examples
examples/cvrp.rs (line 48)
20fn define_problem(goal: GoalContext, transport: Arc<dyn TransportCost>) -> GenericResult<Problem> {
21 // create 4 jobs with location indices from 1 to 4
22 let single_jobs = (1..=4)
23 .map(|idx| {
24 SingleBuilder::default()
25 .id(format!("job{idx}").as_str())
26 // each job is delivery job with demand=1
27 .demand(Demand::delivery(1))
28 // job has location, which is an index in routing matrix
29 .location(idx)?
30 .build_as_job()
31 })
32 .collect::<Result<Vec<_>, _>>()?;
33
34 // create 4 vehicles
35 let vehicles = (1..=4)
36 .map(|idx| {
37 VehicleBuilder::default()
38 .id(format!("v{idx}").as_str())
39 .add_detail(
40 VehicleDetailBuilder::default()
41 // vehicle starts at location with index 0 in routing matrix
42 .set_start_location(0)
43 // vehicle should return to location with index 0
44 .set_end_location(0)
45 .build()?,
46 )
47 // each vehicle has capacity=2, so it can serve at most 2 jobs
48 .capacity(SingleDimLoad::new(2))
49 .build()
50 })
51 .collect::<Result<Vec<_>, _>>()?;
52
53 ProblemBuilder::default()
54 .add_jobs(single_jobs.into_iter())
55 .add_vehicles(vehicles.into_iter())
56 .with_goal(goal)
57 .with_transport_cost(transport)
58 .build()
59}
examples/custom_constraint.rs (line 88)
52fn define_problem(goal: GoalContext, transport: Arc<dyn TransportCost>) -> GenericResult<Problem> {
53 // create 4 jobs when second and forth have fridge requirement
54 let single_jobs = (1..=4)
55 .map(|idx| {
56 SingleBuilder::default()
57 .id(format!("job{idx}").as_str())
58 .demand(Demand::delivery(1))
59 .dimension(|dimens| {
60 // all jobs have fridge requirements, but only one vehicle will be allowed to serve them
61 dimens.set_job_hardware("fridge".to_string());
62 })
63 .location(idx)?
64 .build_as_job()
65 })
66 .collect::<Result<Vec<_>, _>>()?;
67
68 // create 2 vehicles
69 let vehicles = (1..=2)
70 .map(|idx| {
71 VehicleBuilder::default()
72 .id(format!("v{idx}").as_str())
73 .add_detail(
74 VehicleDetailBuilder::default()
75 // vehicle starts at location with index 0 in routing matrix
76 .set_start_location(0)
77 // vehicle should return to location with index 0
78 .set_end_location(0)
79 .build()?,
80 )
81 .dimension(|dimens| {
82 if idx % 2 == 0 {
83 // only one vehicle has a hardware requirement set to 'fridge'
84 dimens.set_vehicle_hardware(once("fridge".to_string()).collect());
85 }
86 })
87 // each vehicle has capacity=2, so it can serve at most 2 jobs
88 .capacity(SingleDimLoad::new(2))
89 .build()
90 })
91 .collect::<Result<Vec<_>, _>>()?;
92
93 ProblemBuilder::default()
94 .add_jobs(single_jobs.into_iter())
95 .add_vehicles(vehicles.into_iter())
96 .with_goal(goal)
97 .with_transport_cost(transport)
98 .build()
99}
examples/pdptw.rs (line 63)
22fn define_problem(goal: GoalContext, transport: Arc<dyn TransportCost>) -> GenericResult<Problem> {
23 // build two PUDO (pick up/drop off) jobs with demand=1 and permissive time windows (just to show API usage)
24 let pudos = (1..=2)
25 .map(|idx| {
26 let location_idx = if idx == 1 { 1 } else { 3 };
27 MultiBuilder::default()
28 .id(format!("pudo{idx}").as_str())
29 .add_job(
30 SingleBuilder::default()
31 .demand(Demand::pudo_pickup(1))
32 .times(vec![TimeWindow::new(0., 1000.)])?
33 .duration(10.)?
34 .location(location_idx)?
35 .build()?,
36 )
37 .add_job(
38 SingleBuilder::default()
39 .demand(Demand::pudo_delivery(1))
40 .times(vec![TimeWindow::new(0., 1000.)])?
41 .duration(10.)?
42 .location(location_idx + 1)?
43 .build()?,
44 )
45 .build_as_job()
46 })
47 .collect::<Result<Vec<_>, _>>()?;
48
49 // define a single vehicle with limited capacity
50 let vehicle = VehicleBuilder::default()
51 .id("v1".to_string().as_str())
52 .add_detail(
53 VehicleDetailBuilder::default()
54 // vehicle starts at location with index 0 in routing matrix
55 .set_start_location(0)
56 .set_start_time(0.)
57 // vehicle should return to location with index 0
58 .set_end_location(0)
59 .set_end_time(10000.)
60 .build()?,
61 )
62 // the vehicle has capacity=1, so it is forced to do delivery after each pickup
63 .capacity(SingleDimLoad::new(1))
64 .build()?;
65
66 ProblemBuilder::default()
67 .add_jobs(pudos.into_iter())
68 .add_vehicles(once(vehicle))
69 .with_goal(goal)
70 .with_transport_cost(transport)
71 .build()
72}
Trait Implementations§
Source§impl Add for SingleDimLoad
impl Add for SingleDimLoad
Source§impl Clone for SingleDimLoad
impl Clone for SingleDimLoad
Source§fn clone(&self) -> SingleDimLoad
fn clone(&self) -> SingleDimLoad
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moreSource§impl Debug for SingleDimLoad
impl Debug for SingleDimLoad
Source§impl Default for SingleDimLoad
impl Default for SingleDimLoad
Source§fn default() -> SingleDimLoad
fn default() -> SingleDimLoad
Returns the “default value” for a type. Read more
Source§impl Display for SingleDimLoad
impl Display for SingleDimLoad
Source§impl Load for SingleDimLoad
impl Load for SingleDimLoad
Source§impl Mul<f64> for SingleDimLoad
impl Mul<f64> for SingleDimLoad
Source§impl Ord for SingleDimLoad
impl Ord for SingleDimLoad
Source§impl PartialEq for SingleDimLoad
impl PartialEq for SingleDimLoad
Source§impl PartialOrd for SingleDimLoad
impl PartialOrd for SingleDimLoad
Source§impl Sub for SingleDimLoad
impl Sub for SingleDimLoad
impl Copy for SingleDimLoad
impl Eq for SingleDimLoad
impl LoadOps for SingleDimLoad
Auto Trait Implementations§
impl Freeze for SingleDimLoad
impl RefUnwindSafe for SingleDimLoad
impl Send for SingleDimLoad
impl Sync for SingleDimLoad
impl Unpin for SingleDimLoad
impl UnwindSafe for SingleDimLoad
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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