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Code Issues Releases Wiki Activity

add json stuff

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This commit is contained in:
oblonski 2014-11-05 17:03:49 +01:00
parent bec373ba94
commit d923859768
2 changed files with 51 additions and 13 deletions
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6
jsprit-core/src/main/java/jsprit/core/problem/io/JsonConstants.java
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@ -64,6 +64,12 @@ public class JsonConstants {
public static final String ACTIVITY = "act";
public static final String FIXED_COSTS = "fixed_costs";
public static final String VARIABLE_COSTS = "variable_costs";
public static final String NO_ACTIVITIES = "no_activities";
public static class Activity {
public static final String TYPE = "type";

58
jsprit-core/src/main/java/jsprit/core/problem/io/VrpJsonWriter.java
View file

@ -21,6 +21,8 @@ import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.box.GreedySchrimpfFactory;
import jsprit.core.analysis.SolutionAnalyser;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Job;
@ -28,11 +30,13 @@ import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.Coordinate;
import jsprit.core.util.Solutions;
import java.io.File;
import java.io.FileOutputStream;
@ -110,7 +114,22 @@ public class VrpJsonWriter {
jsonGenerator.writeNumberField(JsonConstants.Solution.NO_UNASSIGNED,solution.getUnassignedJobs().size());
jsonGenerator.writeArrayFieldStart(JsonConstants.Solution.ROUTES);
for(VehicleRoute route : solution.getRoutes()){
// jsonGenerator.writeNumberField(JsonConstants.Solution.FIXED_COSTS,solutionAnalyzer.getCosgetCo(route));
jsonGenerator.writeNumberField(JsonConstants.Solution.Route.FIXED_COSTS,solutionAnalyzer.getFixedCosts(route));
jsonGenerator.writeNumberField(JsonConstants.Solution.Route.VARIABLE_COSTS,solutionAnalyzer.getVariableTransportCosts(route));
jsonGenerator.writeNumberField(JsonConstants.Solution.Route.NO_ACTIVITIES,route.getActivities().size());
jsonGenerator.writeNumberField(JsonConstants.Solution.Route.START_TIME,route.getStart().getEndTime());
for(TourActivity act : route.getActivities()) {
jsonGenerator.writeObjectFieldStart(JsonConstants.Solution.Route.ACTIVITY);
jsonGenerator.writeStringField(JsonConstants.Solution.Route.Activity.TYPE,act.getName());
if(act instanceof TourActivity.JobActivity){
jsonGenerator.writeStringField(JsonConstants.Solution.Route.Activity.SERVICE_ID,((TourActivity.JobActivity) act).getJob().getId());
}
else throw new IllegalStateException("act of class " + act.getClass().toString() + " not supported.");
jsonGenerator.writeNumberField(JsonConstants.Solution.Route.Activity.ARR_TIME, act.getArrTime());
jsonGenerator.writeNumberField(JsonConstants.Solution.Route.Activity.END_TIME,act.getEndTime());
jsonGenerator.writeEndObject();
}
jsonGenerator.writeNumberField(JsonConstants.Solution.Route.END_TIME, route.getEnd().getArrTime());
}
jsonGenerator.writeEndArray();
} catch (IOException e) {
@ -248,19 +267,18 @@ public class VrpJsonWriter {
public static void main(String[] args) {
Service service = Service.Builder.newInstance("s1").setLocationId("s1_loc").setCoord(Coordinate.newInstance(40, 10))
.addSizeDimension(0, 20).addSizeDimension(1, 40)
.setServiceTime(100.)
.setTimeWindow(TimeWindow.newInstance(10, 20))
.addRequiredSkill("drilling-machine")
.addRequiredSkill("screw-driver").build();
.setServiceTime(1.)
.addRequiredSkill("joo")
.build();
Service service2 = Service.Builder.newInstance("s2").setLocationId("s2_loc").setCoord(Coordinate.newInstance(40, 10))
.addSizeDimension(0, 20).addSizeDimension(1, 40)
.setServiceTime(100.)
.setTimeWindow(TimeWindow.newInstance(10, 20))
.addSizeDimension(0, 10).addSizeDimension(1, 30)
.setServiceTime(2.)
.setTimeWindow(TimeWindow.newInstance(10, 200))
.addRequiredSkill("screw-driver").build();
VehicleType type = VehicleTypeImpl.Builder.newInstance("small").addCapacityDimension(0,10).addCapacityDimension(2,400)
VehicleType type = VehicleTypeImpl.Builder.newInstance("small").addCapacityDimension(0,100).addCapacityDimension(1,400)
.setCostPerTime(20.).build();
VehicleType type2 = VehicleTypeImpl.Builder.newInstance("medium").addCapacityDimension(0,1000).addCapacityDimension(2,4000)
VehicleType type2 = VehicleTypeImpl.Builder.newInstance("medium").addCapacityDimension(0,1000).addCapacityDimension(1,4000)
.setCostPerTime(200.).setFixedCost(1000.).build();
VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1").setStartLocationId("startLoc").setStartLocationCoordinate(Coordinate.newInstance(0, 0))
.setEndLocationId("endLoc").setEndLocationCoordinate(Coordinate.newInstance(12, 12))
@ -272,10 +290,24 @@ public class VrpJsonWriter {
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setStartLocationId("startLoc").setStartLocationCoordinate(Coordinate.newInstance(0, 0))
.setType(type2)
.setReturnToDepot(false)
.addSkill("joo")
.build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(service).addJob(service2)
final VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(service).addJob(service2)
.addVehicle(v1).addVehicle(v2).build();
// new VrpJsonWriter(vrp).write(new File("output/vrp.json"));
System.out.println(new VrpJsonWriter(vrp).toString());
new VrpJsonWriter(vrp).write(new File("output/vrp.json"));
// System.out.println(new VrpJsonWriter(vrp).toString());
VehicleRoutingAlgorithm vra = new GreedySchrimpfFactory().createAlgorithm(vrp);
VehicleRoutingProblemSolution solutions = Solutions.bestOf(vra.searchSolutions());
new VrpJsonWriter(vrp,solutions,new SolutionAnalyser.DistanceCalculator() {
@Override
public double getDistance(String fromLocationId, String toLocationId) {
return vrp.getTransportCosts().getTransportCost(fromLocationId,toLocationId,0.,null,null);
}
}).write(new File("output/vrp-solution.json"));
}
}