List of addCoreConstraints() Examples

Examples of addCoreConstraints()

jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()
Adds core constraints.
Thus, it adds vehicle-capacity, time-window and skills constraints and their required stateUpdater.

Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

        VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(VehicleRoutingProblem.FleetSize.INFINITE)
                .addVehicle(vehicle)
                .addJob(bananas).addJob(apples).addJob(bananas_2).addJob(bananas_3).addJob(apples_2).build();


        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(vrp,"input/algorithmConfig.xml");
        vraBuilder.addCoreConstraints();
        vraBuilder.addDefaultCostCalculators();


        StateManager stateManager = new StateManager(vrp); //1.3.2-SNAPSHOT & upcoming release v1.4
//        StateManager stateManager = new StateManager(vrp.getTransportCosts()); //v1.3.1

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

    
    /*
     * get the algorithm out-of-the-box. 
     */
        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(problem,"input/algorithmConfig.xml");
        vraBuilder.addCoreConstraints();
        vraBuilder.addDefaultCostCalculators();


        //activate skill state update and constraints - it is NOT default
        StateManager stateManager = new StateManager(problem);
        stateManager.updateSkillStates();

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

     */
//    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig_solomon.xml");


        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(vrp,"input/algorithmConfig_solomon.xml");
        vraBuilder.addDefaultCostCalculators();
        vraBuilder.addCoreConstraints();


        StateManager stateManager = new StateManager(vrp);
        ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
        constraintManager.addConstraint(new ServiceDeliveriesFirstConstraint(), ConstraintManager.Priority.CRITICAL);

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

        skillProblemBuilder.addPenaltyVehicles(3.);
        skillProblemBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
        VehicleRoutingProblem skillProblem = skillProblemBuilder.build();


        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(skillProblem,"src/test/resources/algorithmConfig.xml");
        vraBuilder.addCoreConstraints();
        vraBuilder.addDefaultCostCalculators();


        StateManager stateManager = new StateManager(skillProblem);
        stateManager.updateSkillStates();

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

    vrpBuilder.addJob(pickup1).addJob(pickup2).addJob(delivery1).addJob(delivery2);


    VehicleRoutingProblem problem = vrpBuilder.build();


        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(problem,"input/algorithmConfig.xml");
        vraBuilder.addCoreConstraints();
        vraBuilder.addDefaultCostCalculators();
        StateManager stateManager = new StateManager(problem);
        ConstraintManager constraintManager = new ConstraintManager(problem,stateManager);
        constraintManager.addConstraint(new ServiceDeliveriesFirstConstraint(), ConstraintManager.Priority.CRITICAL);
        vraBuilder.setStateAndConstraintManager(stateManager,constraintManager);

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

     * bit more complicated and you cannot just add the above hard-constraint. Latter will be covered in another example.
     * 
     */
    VehicleRoutingAlgorithmBuilder algorithmBuilder = new VehicleRoutingAlgorithmBuilder(problem, "input/algorithmConfig_noVehicleSwitch.xml");
    algorithmBuilder.setStateAndConstraintManager(stateManager, constraintManager);
    algorithmBuilder.addCoreConstraints();
    algorithmBuilder.addDefaultCostCalculators();
    
    VehicleRoutingAlgorithm algorithm = algorithmBuilder.build();
    algorithm.setPrematureAlgorithmTermination(new IterationWithoutImprovementTermination(100));

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

        }
        skillProblemBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
        VehicleRoutingProblem skillProblem = skillProblemBuilder.build();


        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(skillProblem,"input/algorithmConfig_solomon.xml");
        vraBuilder.addCoreConstraints();
        vraBuilder.addDefaultCostCalculators();


        StateManager stateManager = new StateManager(skillProblem);
        stateManager.updateSkillStates();

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

    
    /*
     * build the algorithm
     */
        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(problem,"input/algorithmConfig.xml");
        vraBuilder.addCoreConstraints();
        vraBuilder.addDefaultCostCalculators();
        StateManager stateManager = new StateManager(problem);
        ConstraintManager constraintManager = new ConstraintManager(problem,stateManager);
        constraintManager.addConstraint(new ServiceDeliveriesFirstConstraint(), ConstraintManager.Priority.CRITICAL);
        vraBuilder.setStateAndConstraintManager(stateManager,constraintManager);

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()

     * a heterogeneous fleet and you want to employ a bigger vehicle on a still existing route. However, allowing it makes constraint-checking
     * bit more complicated and you cannot just add the above hard-constraint. Latter will be covered in another example.
     *
     */
        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(problem,"input/algorithmConfig_noVehicleSwitch.xml");
        vraBuilder.addCoreConstraints();
        vraBuilder.addDefaultCostCalculators();


        StateManager stateManager = new StateManager(problem);
        ConstraintManager constraintManager = new ConstraintManager(problem,stateManager);
        constraintManager.addConstraint(geoClusterConstraint);

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Examples of jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder.addCoreConstraints()


        VehicleRoutingProblem vrp = vrpBuilder.build();


        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(vrp,"input/algorithmConfig.xml");
        vraBuilder.addDefaultCostCalculators();
        vraBuilder.addCoreConstraints();


        StateManager stateManager = new StateManager(vrp);
        StateId keyPicked = stateManager.createStateId("key-picked");
        StateId keyUsed = stateManager.createStateId("key-used");
        StateId keyDelivered = stateManager.createStateId("key-delivered");

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