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Code Issues Releases Wiki Activity

add problem modeling capabilities

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This commit is contained in:
oblonski 2014-03-23 19:53:43 +01:00
parent 31d9c4b069
commit 5399749cef
5 changed files with 152 additions and 8 deletions
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27
jsprit-examples/src/main/java/jsprit/examples/TransportOfDisabledPeople.java
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@ -7,13 +7,18 @@ import jsprit.analysis.toolbox.GraphStreamViewer.Label;
import jsprit.analysis.toolbox.Plotter;
import jsprit.analysis.toolbox.SolutionPrinter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder;
import jsprit.core.algorithm.io.VehicleRoutingAlgorithms;
import jsprit.core.algorithm.recreate.DellAmicoFixCostCalculator;
import jsprit.core.algorithm.recreate.VariableTransportCostCalculator;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.termination.IterationWithoutImprovementTermination;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
import jsprit.core.problem.constraint.HardRouteStateLevelConstraint;
import jsprit.core.problem.job.Shipment;
import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.SolutionCostCalculator;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
@ -21,6 +26,7 @@ import jsprit.core.problem.vehicle.VehicleImpl.Builder;
import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.Coordinate;
import jsprit.core.util.CrowFlyCosts;
import jsprit.core.util.Solutions;
import jsprit.util.Examples;
@ -131,14 +137,35 @@ public class TransportOfDisabledPeople {
return true;
}
};
CrowFlyCosts crowFlyCosts = new CrowFlyCosts(vrpBuilder.getLocations());
StateManager stateManager = new StateManager(crowFlyCosts);
//add the constraint to the problem
vrpBuilder.addConstraint(wheelchair_bus_passenger_pickup_constraint);
vrpBuilder.addConstraint(new DellAmicoFixCostCalculator(vrpBuilder.getAddedJobs().size(), stateManager));
vrpBuilder.addConstraint(new VariableTransportCostCalculator(crowFlyCosts));
SolutionCostCalculator objectiveFunction = new SolutionCostCalculator() {
@Override
public double getCosts(VehicleRoutingProblemSolution solution) {
// TODO Auto-generated method stub
return 0;
}
};
//build the problem
VehicleRoutingProblem problem = vrpBuilder.build();
VehicleRoutingAlgorithmBuilder algorithmBuilder = new VehicleRoutingAlgorithmBuilder(problem, "input/algorithmConfig_noVehicleSwitch.xml");
algorithmBuilder.setObjectiveFunction(objectiveFunction);
algorithmBuilder.setStateManager(stateManager);
algorithmBuilder.addCoreConstraints();
algorithmBuilder.addVariableCostCalculator();
algorithmBuilder.addFixCostCalculator();
VehicleRoutingAlgorithm vra = algorithmBuilder.build();
/*
* get a sample algorithm.
*