Package jsprit.core.problem.constraint

Examples of jsprit.core.problem.constraint.ConstraintManager

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   *
   * @return the algorithm
   */
  public VehicleRoutingAlgorithm build() {
    if(stateManager == null) stateManager = new StateManager(vrp);
    if(constraintManager == null) constraintManager = new ConstraintManager(vrp,stateManager);
    //add core updater
    stateManager.addStateUpdater(new UpdateEndLocationIfRouteIsOpen());
//    stateManager.addStateUpdater(new OpenRouteStateVerifier());

    if(addCoreConstraints){
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    /*
     * define constraints
     */
    //constraint manager
    ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
    constraintManager.addTimeWindowConstraint();
    constraintManager.addLoadConstraint();
        constraintManager.addSkillsConstraint();
   
    return readAndCreateAlgorithm(vrp, config, nuOfThreads, null, stateManager, constraintManager, true); 
  }
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        vraBuilder.addDefaultCostCalculators();

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

        ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
        constraintManager.addConstraint(new NoBananasANDApplesConstraint(stateManager), ConstraintManager.Priority.CRITICAL);
//        constraintManager.addConstraint(new BananasFirst(),ConstraintManager.Priority.CRITICAL);

        vraBuilder.setStateAndConstraintManager(stateManager,constraintManager);
        VehicleRoutingAlgorithm vra = vraBuilder.build();
//        vra.setNuOfIterations(100); //1.3.2-SNAPSHOT
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        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);

        vraBuilder.setStateAndConstraintManager(stateManager,constraintManager);
        VehicleRoutingAlgorithm algorithm = vraBuilder.build();

    algorithm.setPrematureAlgorithmTermination(new IterationWithoutImprovementTermination(100));
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    stateManager.addStateUpdater(new UpdateVariableCosts(vrp.getActivityCosts(), vrp.getTransportCosts(), stateManager));
   
    /*
     * constructs a constraintManager that manages the various hardConstraints (and soon also softConstraints)
     */
    ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
    /*
     * tells constraintManager to add timeWindowConstraints
     */
    constraintManager.addTimeWindowConstraint();
    /*
     * tells constraintManager to add loadConstraints
     */
    constraintManager.addLoadConstraint();
    /*
     * add an arbitrary number of hardConstraints by
     * constraintManager.addConstraint(...)
     */
   
 
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        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);

        vraBuilder.setStateAndConstraintManager(stateManager,constraintManager);
        VehicleRoutingAlgorithm vra = vraBuilder.build();

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

        ConstraintManager constraintManager = new ConstraintManager(problem,stateManager);
        constraintManager.addSkillsConstraint();

        vraBuilder.setStateAndConstraintManager(stateManager,constraintManager);

    VehicleRoutingAlgorithm algorithm = vraBuilder.build();
   
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    createInsertionCalculator(hardRouteLevelConstraint);
        vehicleRoutingProblem = mock(VehicleRoutingProblem.class);
  }

  private void createInsertionCalculator(HardRouteConstraint hardRouteLevelConstraint) {
    ConstraintManager constraintManager = new ConstraintManager(mock(VehicleRoutingProblem.class), mock(RouteAndActivityStateGetter.class));
    constraintManager.addConstraint(hardRouteLevelConstraint);
    insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager);
  }
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        };

    StateManager stateManager = new StateManager(vrp);
    stateManager.updateLoadStates();
   
    ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
    constraintManager.addLoadConstraint();
    stateManager.informInsertionStarts(Arrays.asList(route), null);
   
    JobCalculatorSwitcher switcher = new JobCalculatorSwitcher();
    ServiceInsertionCalculator serviceInsertionCalc = new ServiceInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager);
        serviceInsertionCalc.setJobActivityFactory(activityFactory);
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        route = VehicleRoute.Builder.newInstance(vehicle).setJobActivityFactory(activityFactory).addService(s1).addService(s2).addService(s3).build();

        stateManager = new StateManager(mock(VehicleRoutingProblem.class));
        stateManager.addStateUpdater(new UpdateVariableCosts(activityCosts,routingCosts,stateManager));
        stateManager.informInsertionStarts(Arrays.asList(route), Collections.<Job>emptyList());
        constraintManager = new ConstraintManager(vrp,stateManager);
    }
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Related Classes of jsprit.core.problem.constraint.ConstraintManager

  • jsprit.core.algorithm.BuildCVRPAlgoFromScratch_IT
  • jsprit.core.algorithm.BuildPDVRPAlgoFromScratch_IT
  • jsprit.core.algorithm.BuildPDVRPWithShipmentsAlgoFromScratch_IT
  • jsprit.core.algorithm.DeactivateTimeWindowsTest
  • jsprit.core.algorithm.io.VehicleRoutingAlgorithms
  • jsprit.core.algorithm.recreate.ServiceInsertionAndLoadConstraintsTest
  • jsprit.core.algorithm.recreate.TestCalculatesServiceInsertion
  • jsprit.core.algorithm.recreate.TestCalculatesServiceInsertionOnRouteLevel
  • jsprit.core.algorithm.recreate.TestMixedServiceAndShipmentsProblemOnRouteLevel
  • jsprit.core.algorithm.recreate.TestRouteLevelServiceInsertionCostEstimator
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