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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 06:48:47 +01:00
parent a32ccf3efa
commit 025316b5a8
2 changed files with 29 additions and 5 deletions
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2
jsprit-core/src/main/java/jsprit/core/problem/io/JsonConstants.java
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@ -69,6 +69,8 @@ public class JsonConstants {
public static final String PICKUP = "pickup"; public static final String PICKUP = "pickup";
public static final String DELIVERY = "delivery"; public static final String DELIVERY = "delivery";
public static final String SERVICE = "service";
} }
public static class Vehicle { public static class Vehicle {

32
jsprit-core/src/main/java/jsprit/core/problem/io/VrpJsonReader.java
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@ -58,19 +58,40 @@ public class VrpJsonReader {
* @throws java.lang.IllegalStateException if there is a service without id and proper location spec OR * @throws java.lang.IllegalStateException if there is a service without id and proper location spec OR
* if there is a vehicle without id and proper location spec OR if there is a vehicle type without id * if there is a vehicle without id and proper location spec OR if there is a vehicle type without id
*/ */
public void read(String jsonFile){ public void read(File jsonFile){
JsonNode root = buildTree_and_getRoot(jsonFile); JsonNode root = buildTree_and_getRoot_fromFile(jsonFile);
parse(root);
}
public void read(String jsonContent){
JsonNode root = buildTree_and_getRoot_fromContent(jsonContent);
parse(root);
}
private void parse(JsonNode root) {
setFleetSize(root); setFleetSize(root);
parse_and_map_vehicle_types(root); parse_and_map_vehicle_types(root);
parse_vehicles(root); parse_vehicles(root);
parse_services(root); parse_services(root);
} }
private JsonNode buildTree_and_getRoot(String jsonFile){ private JsonNode buildTree_and_getRoot_fromContent(String jsonContent){
JsonNode node = null; JsonNode node = null;
try { try {
ObjectMapper objectMapper = new ObjectMapper(); ObjectMapper objectMapper = new ObjectMapper();
node = objectMapper.readTree(new File(jsonFile)); node = objectMapper.readTree(jsonContent);
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
}
return node;
}
private JsonNode buildTree_and_getRoot_fromFile(File jsonFile){
JsonNode node = null;
try {
ObjectMapper objectMapper = new ObjectMapper();
node = objectMapper.readTree(jsonFile);
} catch (IOException e) { } catch (IOException e) {
e.printStackTrace(); e.printStackTrace();
System.exit(1); System.exit(1);
@ -93,6 +114,7 @@ public class VrpJsonReader {
Service.Builder serviceBuilder; Service.Builder serviceBuilder;
if(typeNode.isMissingNode()) serviceBuilder = Service.Builder.newInstance(jobIdNode.asText()); if(typeNode.isMissingNode()) serviceBuilder = Service.Builder.newInstance(jobIdNode.asText());
else if(typeNode.asText().equals(JsonConstants.Job.SERVICE)) serviceBuilder = Service.Builder.newInstance(jobIdNode.asText());
else if(typeNode.asText().equals(JsonConstants.Job.PICKUP)) serviceBuilder = Pickup.Builder.newInstance(jobIdNode.asText()); else if(typeNode.asText().equals(JsonConstants.Job.PICKUP)) serviceBuilder = Pickup.Builder.newInstance(jobIdNode.asText());
else if(typeNode.asText().equals(JsonConstants.Job.DELIVERY)) serviceBuilder = Delivery.Builder.newInstance(jobIdNode.asText()); else if(typeNode.asText().equals(JsonConstants.Job.DELIVERY)) serviceBuilder = Delivery.Builder.newInstance(jobIdNode.asText());
else throw new IllegalStateException("type of service ("+typeNode.asText()+") is not supported"); else throw new IllegalStateException("type of service ("+typeNode.asText()+") is not supported");
@ -244,7 +266,7 @@ public class VrpJsonReader {
public static void main(String[] args) { public static void main(String[] args) {
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance(); VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
new VrpJsonReader(vrpBuilder).read("output/vrp.json"); new VrpJsonReader(vrpBuilder).read(new File("output/vrp.json"));
VehicleRoutingProblem problem = vrpBuilder.build(); VehicleRoutingProblem problem = vrpBuilder.build();
for(Job j : problem.getJobs().values()) System.out.println(j); for(Job j : problem.getJobs().values()) System.out.println(j);
for(Vehicle v : problem.getVehicles()) System.out.println(v); for(Vehicle v : problem.getVehicles()) System.out.println(v);