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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 13:54:00 +01:00
parent 67b8ef5a9a
commit bec373ba94
2 changed files with 100 additions and 3 deletions
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50
jsprit-core/src/main/java/jsprit/core/problem/io/JsonConstants.java
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@ -30,6 +30,56 @@ public class JsonConstants {
public static final String VEHICLE_TYPES = "vehicle_types";
public static class Solution {
public static final String COSTS = "costs";
public static final String DISTANCE = "distance";
public static final String TIME = "time";
public static final String ROUTES = "routes";
public static final String NO_ROUTES = "no_routes";
public static final String NO_UNASSIGNED = "no_unassigned_jobs";
public static final String FIXED_COSTS = "fixed_costs";
public static final String VARIABLE_COSTS = "variable_costs";
public static class Route {
public static final String COSTS = "costs";
public static final String DISTANCE = "distance";
public static final String TIME = "time";
public static final String VEHICLE_ID = "vehicle_id";
public static final String START_TIME = "start_time";
public static final String END_TIME = "end_time";
public static final String ACTIVITY = "act";
public static class Activity {
public static final String TYPE = "type";
public static final String SERVICE_ID = "job_id";
public static final String ARR_TIME = "arr_time";
public static final String END_TIME = "end_time";
}
}
}
public static class Address {
public static String ID = "id";

53
jsprit-core/src/main/java/jsprit/core/problem/io/VrpJsonWriter.java
View file

@ -21,9 +21,12 @@ 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.analysis.SolutionAnalyser;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Job;
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.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
@ -46,15 +49,27 @@ public class VrpJsonWriter {
private final VehicleRoutingProblem vrp;
private final VehicleRoutingProblemSolution solution;
private SolutionAnalyser solutionAnalyzer;
public VrpJsonWriter(VehicleRoutingProblem vrp) {
this.vrp = vrp;
this.solution = null;
}
public VrpJsonWriter(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solution, SolutionAnalyser.DistanceCalculator distanceCalculator){
this.vrp = vrp;
this.solution = solution;
this.solutionAnalyzer = new SolutionAnalyser(vrp,solution,distanceCalculator);
}
public String toString(){
StringWriter stringWriter = new StringWriter();
try {
JsonGenerator jsonGenerator = new JsonFactory().createGenerator(stringWriter);
write(jsonGenerator);
if(solution == null) writeProblem(jsonGenerator);
else writeSolution(jsonGenerator);
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
@ -62,17 +77,49 @@ public class VrpJsonWriter {
return stringWriter.toString();
}
public void write(File jsonFile){
try {
JsonGenerator jsonGenerator = new JsonFactory().createGenerator(new FileOutputStream(jsonFile), JsonEncoding.UTF8);
write(jsonGenerator);
if(solution == null) writeProblem(jsonGenerator);
else writeSolution(jsonGenerator);
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
}
}
private void write(JsonGenerator jsonGenerator) throws IOException {
private void writeSolution(JsonGenerator jsonGenerator) throws IOException {
jsonGenerator.setPrettyPrinter(new DefaultPrettyPrinter());
jsonGenerator.writeStartObject();
writeSolution_(jsonGenerator);
jsonGenerator.writeEndObject();
jsonGenerator.flush();
jsonGenerator.close();
}
private void writeSolution_(JsonGenerator jsonGenerator) {
try {
jsonGenerator.writeNumberField(JsonConstants.Solution.COSTS,solution.getCost());
jsonGenerator.writeNumberField(JsonConstants.Solution.FIXED_COSTS,solutionAnalyzer.getFixedCosts());
jsonGenerator.writeNumberField(JsonConstants.Solution.VARIABLE_COSTS, solutionAnalyzer.getVariableTransportCosts());
jsonGenerator.writeNumberField(JsonConstants.Solution.DISTANCE,solutionAnalyzer.getDistance());
jsonGenerator.writeNumberField(JsonConstants.Solution.TIME, solutionAnalyzer.getTransportTime());
jsonGenerator.writeNumberField(JsonConstants.Solution.NO_ROUTES,solution.getRoutes().size());
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.writeEndArray();
} catch (IOException e) {
e.printStackTrace();
}
}
private void writeProblem(JsonGenerator jsonGenerator) throws IOException {
jsonGenerator.setPrettyPrinter(new DefaultPrettyPrinter());
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField(JsonConstants.FLEET,vrp.getFleetSize().toString());