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add json stuff
This commit is contained in:
oblonski
parent
b4ae11631b
commit
ed1361482e
2 changed files with 86 additions and 36 deletions
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@ -66,6 +66,11 @@ public class JsonConstants {
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public static final String TIME_WINDOW = "time_window";
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public static final String TYPE = "type";
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public static final String PICKUP = "pickup";
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public static final String DELIVERY = "delivery";
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}
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public static class Vehicle {
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@ -21,7 +21,9 @@ package jsprit.core.problem.io;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import jsprit.core.problem.VehicleRoutingProblem;
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import jsprit.core.problem.job.Delivery;
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import jsprit.core.problem.job.Job;
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import jsprit.core.problem.job.Pickup;
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import jsprit.core.problem.job.Service;
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import jsprit.core.problem.solution.route.activity.TimeWindow;
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import jsprit.core.problem.vehicle.Vehicle;
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@ -37,7 +39,7 @@ import java.util.Iterator;
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import java.util.Map;
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/**
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* Created by schroeder on 04.11.14.
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* Reads vehicle routing problem from json file.
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*/
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public class VrpJsonReader {
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@ -49,6 +51,13 @@ public class VrpJsonReader {
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this.vrpBuilder = vrpBuilder;
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}
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/**
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* Reads json file.
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*
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* @param jsonFile to be read
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* @throws java.lang.IllegalStateException if there is a service without id and proper location spec OR
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* if there is a vehicle without id and proper location spec OR if there is a vehicle type without id
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*/
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public void read(String jsonFile){
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JsonNode root = buildTree_and_getRoot(jsonFile);
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setFleetSize(root);
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@ -69,15 +78,26 @@ public class VrpJsonReader {
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return node;
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}
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/**
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* @param root node
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* @throws java.lang.IllegalStateException if service id is missing OR neither location id nor location coordinate are set
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*/
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private void parse_services(JsonNode root) {
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JsonNode services = root.path(JsonConstants.SERVICES);
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for(JsonNode serviceNode : services){
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//type
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JsonNode typeNode = serviceNode.path(JsonConstants.Job.TYPE);
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//service id
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JsonNode jobIdNode = serviceNode.path(JsonConstants.Job.ID);
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if(jobIdNode.isMissingNode()){
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throw new IllegalStateException("service-id is missing");
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}
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Service.Builder serviceBuilder = Service.Builder.newInstance(jobIdNode.asText());
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if(jobIdNode.isMissingNode()) throw new IllegalStateException("service-id is missing");
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Service.Builder serviceBuilder;
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if(typeNode.isMissingNode()) serviceBuilder = Service.Builder.newInstance(jobIdNode.asText());
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else if(typeNode.asText().equals(JsonConstants.Job.PICKUP)) serviceBuilder = Pickup.Builder.newInstance(jobIdNode.asText());
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else if(typeNode.asText().equals(JsonConstants.Job.DELIVERY)) serviceBuilder = Delivery.Builder.newInstance(jobIdNode.asText());
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else throw new IllegalStateException("type of service ("+typeNode.asText()+") is not supported");
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//service address
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JsonNode addressIdNode = serviceNode.path(JsonConstants.Job.ADDRESS).path(JsonConstants.Address.ID);
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boolean either_locationId_or_coord = false;
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if(!addressIdNode.isMissingNode()){
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@ -85,24 +105,26 @@ public class VrpJsonReader {
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either_locationId_or_coord = true;
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}
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{
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Double lon = serviceNode.path(JsonConstants.Job.ADDRESS).path(JsonConstants.Address.LON).asDouble();
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Double lat = serviceNode.path(JsonConstants.Job.ADDRESS).path(JsonConstants.Address.LAT).asDouble();
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if (lon != null && lat != null) {
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serviceBuilder.setCoord(Coordinate.newInstance(lon, lat));
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JsonNode lonNode = serviceNode.path(JsonConstants.Job.ADDRESS).path(JsonConstants.Address.LON);
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JsonNode latNode = serviceNode.path(JsonConstants.Job.ADDRESS).path(JsonConstants.Address.LAT);
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if (!lonNode.isMissingNode() && !latNode.isMissingNode()) {
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serviceBuilder.setCoord(Coordinate.newInstance(lonNode.asDouble(), latNode.asDouble()));
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either_locationId_or_coord = true;
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}
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}
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if(!either_locationId_or_coord) throw new IllegalStateException("location missing. either locationId or locationCoordinate is required");
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serviceBuilder.setName(serviceNode.path(JsonConstants.Job.NAME).asText());
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//service name
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JsonNode nameNode = serviceNode.path(JsonConstants.Job.NAME);
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if(!nameNode.isMissingNode()) serviceBuilder.setName(nameNode.asText());
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//service duration
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serviceBuilder.setServiceTime(serviceNode.path(JsonConstants.Job.SERVICE_DURATION).asDouble());
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Double tw_start = serviceNode.path(JsonConstants.Job.TIME_WINDOW).path(JsonConstants.TimeWindow.START).asDouble();
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Double tw_end = serviceNode.path(JsonConstants.Job.TIME_WINDOW).path(JsonConstants.TimeWindow.END).asDouble();
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if(tw_start != null && tw_end != null){
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serviceBuilder.setTimeWindow(TimeWindow.newInstance(tw_start,tw_end));
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//service tw
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JsonNode start_tw_node = serviceNode.path(JsonConstants.Job.TIME_WINDOW).path(JsonConstants.TimeWindow.START);
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JsonNode end_tw_node = serviceNode.path(JsonConstants.Job.TIME_WINDOW).path(JsonConstants.TimeWindow.END);
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if(!start_tw_node.isMissingNode() && !end_tw_node.isMissingNode()){
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serviceBuilder.setTimeWindow(TimeWindow.newInstance(start_tw_node.asDouble(),end_tw_node.asDouble()));
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}
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//service size
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JsonNode sizeNode = serviceNode.path(JsonConstants.Job.SIZE);
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int size_index = 0;
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for(JsonNode sizeValNode : sizeNode){
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@ -110,46 +132,64 @@ public class VrpJsonReader {
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serviceBuilder.addSizeDimension(size_index,size_value);
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size_index++;
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}
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//service skills
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JsonNode reqSkills = serviceNode.path(JsonConstants.Job.SKILLS);
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for(JsonNode skillNode : reqSkills){
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serviceBuilder.addRequiredSkill(skillNode.asText());
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}
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//add service
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vrpBuilder.addJob(serviceBuilder.build());
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}
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}
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/**
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* @param root node
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* @throws java.lang.IllegalStateException if vehicle id is missing OR if neither start location id nor start location
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* coordinate are set
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*/
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private void parse_vehicles(JsonNode root) {
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JsonNode vehicles = root.path(JsonConstants.VEHICLES);
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for(JsonNode vehicleNode : vehicles){
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// JsonNode vehicleNode = vehicle_iterator.next();
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VehicleImpl.Builder vehicleBuilder = VehicleImpl.Builder.newInstance(vehicleNode.path(JsonConstants.Vehicle.ID).asText());
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//vehicle id
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JsonNode vehicle_id_node = vehicleNode.path(JsonConstants.Vehicle.ID);
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if(vehicle_id_node.isMissingNode()) throw new IllegalStateException("vehicle id missing");
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VehicleImpl.Builder vehicleBuilder = VehicleImpl.Builder.newInstance(vehicle_id_node.asText());
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//vehicle type
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VehicleType type = vehicle_type_map.get(vehicleNode.path(JsonConstants.Vehicle.TYPE_ID).asText());
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vehicleBuilder.setType(type);
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//earliest start
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JsonNode earliestStartNode = vehicleNode.path(JsonConstants.Vehicle.EARLIEST_START);
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if(!earliestStartNode.isMissingNode()) vehicleBuilder.setEarliestStart(earliestStartNode.asDouble());
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//latest end
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JsonNode latestEndNode = vehicleNode.path(JsonConstants.Vehicle.LATEST_END);
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if(!latestEndNode.isMissingNode()) vehicleBuilder.setLatestArrival(latestEndNode.asDouble());
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String startLocationId = vehicleNode.path(JsonConstants.Vehicle.START_ADDRESS).path(JsonConstants.Address.ID).asText();
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vehicleBuilder.setStartLocationId(startLocationId);
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JsonNode endAddressId = vehicleNode.path(JsonConstants.Vehicle.END_ADDRESS).path(JsonConstants.Address.ID);
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if(!endAddressId.isMissingNode()){
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if(!startLocationId.equals(endAddressId.asText())){
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vehicleBuilder.setEndLocationId(endAddressId.asText());
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}
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//start
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//location id
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boolean either_id_or_coord = false;
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JsonNode startAddressId = vehicleNode.path(JsonConstants.Vehicle.START_ADDRESS).path(JsonConstants.Address.ID);
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if(!startAddressId.isMissingNode()){
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vehicleBuilder.setStartLocationId(startAddressId.asText());
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either_id_or_coord = true;
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}
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//location coordinate
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{
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JsonNode lonNode = vehicleNode.path(JsonConstants.Vehicle.START_ADDRESS).path(JsonConstants.Address.LON);
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JsonNode latNode = vehicleNode.path(JsonConstants.Vehicle.START_ADDRESS).path(JsonConstants.Address.LAT);
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if (!lonNode.isMissingNode() && !latNode.isMissingNode()) {
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vehicleBuilder.setStartLocationCoordinate(Coordinate.newInstance(lonNode.asDouble(), latNode.asDouble()));
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either_id_or_coord = true;
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}
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}
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if(!either_id_or_coord) throw new IllegalStateException("start location of vehicle missing. either id or coordinate required");
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//end
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//location id
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JsonNode endAddressId = vehicleNode.path(JsonConstants.Vehicle.END_ADDRESS).path(JsonConstants.Address.ID);
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if(!endAddressId.isMissingNode()){
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if(!startAddressId.asText().equals(endAddressId.asText())){
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vehicleBuilder.setEndLocationId(endAddressId.asText());
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}
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}
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//location coordinate
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{
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JsonNode lonNode = vehicleNode.path(JsonConstants.Vehicle.END_ADDRESS).path(JsonConstants.Address.LON);
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JsonNode latNode = vehicleNode.path(JsonConstants.Vehicle.END_ADDRESS).path(JsonConstants.Address.LAT);
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@ -157,23 +197,28 @@ public class VrpJsonReader {
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vehicleBuilder.setEndLocationCoordinate(Coordinate.newInstance(lonNode.asDouble(), latNode.asDouble()));
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}
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}
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//skills
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JsonNode skillsNode = vehicleNode.path(JsonConstants.Vehicle.SKILLS);
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for(JsonNode skillNode : skillsNode){
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String skill = skillNode.asText();
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vehicleBuilder.addSkill(skill);
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}
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VehicleImpl vehicle = vehicleBuilder.build();
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vrpBuilder.addVehicle(vehicle);
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vrpBuilder.addVehicle(vehicleBuilder.build());
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}
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}
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/**
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* @param root node
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* @throws java.lang.IllegalStateException if type id is missing
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*/
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private void parse_and_map_vehicle_types(JsonNode root) {
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JsonNode types = root.path(JsonConstants.VEHICLE_TYPES);
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for(JsonNode typeNode : types){
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VehicleTypeImpl.Builder typeBuilder = VehicleTypeImpl.Builder.newInstance(typeNode.path(JsonConstants.Vehicle.Type.ID).asText());
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JsonNode typeIdNode = typeNode.path(JsonConstants.Vehicle.Type.ID);
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if(typeIdNode.isMissingNode()) throw new IllegalStateException("type id missing");
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VehicleTypeImpl.Builder typeBuilder = VehicleTypeImpl.Builder.newInstance(typeIdNode.asText());
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typeBuilder.setFixedCost(typeNode.path(JsonConstants.Vehicle.Type.FIXED_COSTS).asDouble());
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typeBuilder.setCostPerDistance(typeNode.path(JsonConstants.Vehicle.Type.DISTANCE).asDouble());
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typeBuilder.setCostPerTime(typeNode.path(JsonConstants.Vehicle.Type.TIME).asDouble());
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