update java routing samples

ortools/constraint_solver/samples/Vrp.java

@@ -73,6 +73,9 @@ public class Vrp {
     // Inspect solution.
     long totalDistance = 0;
     for (int i = 0; i < manager.getNumberOfVehicles(); ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;
       String route = "";

ortools/constraint_solver/samples/VrpBreaks.java

@@ -100,6 +100,9 @@ public final class VrpBreaks {
     long totalTime = 0;
     RoutingDimension timeDimension = routing.getMutableDimension("Time");
     for (int i = 0; i < manager.getNumberOfVehicles(); ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       logger.info("Route for Vehicle " + i + ":");
       long index = routing.start(i);
       String route = "";

ortools/constraint_solver/samples/VrpCapacity.java

@@ -71,6 +71,9 @@ public final class VrpCapacity {
     long totalDistance = 0;
     long totalLoad = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpDropNodes.java

@@ -83,6 +83,9 @@ public class VrpDropNodes {
     long totalDistance = 0;
     long totalLoad = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpGlobalSpan.java

@@ -65,6 +65,9 @@ public class VrpGlobalSpan {
     // Inspect solution.
     long maxRouteDistance = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpInitialRoutes.java

@@ -72,6 +72,9 @@ public class VrpInitialRoutes {
     // Inspect solution.
     long maxRouteDistance = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpPickupDelivery.java

@@ -78,6 +78,9 @@ public class VrpPickupDelivery {
     // Inspect solution.
     long totalDistance = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpPickupDeliveryFifo.java

@@ -78,6 +78,9 @@ public class VrpPickupDeliveryFifo {
     // Inspect solution.
     long totalDistance = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpPickupDeliveryLifo.java

@@ -78,6 +78,9 @@ public class VrpPickupDeliveryLifo {
     // Inspect solution.
     long totalDistance = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpResources.java

@@ -94,6 +94,9 @@ public class VrpResources {
     RoutingDimension timeDimension = routing.getMutableDimension("Time");
     long totalTime = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       String route = "";

ortools/constraint_solver/samples/VrpSolutionCallback.java

@@ -67,6 +67,9 @@ public final class VrpSolutionCallback {
     // Inspect solution.
     long totalDistance = 0;
     for (int i = 0; i < routingManager.getNumberOfVehicles(); ++i) {
+      if (routingModel.activeVehicleVar(i).value() == 0) {
+        continue;
+      }
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;
       long index = routingModel.start(i);

ortools/constraint_solver/samples/VrpStartsEnds.java

@@ -68,6 +68,9 @@ public class VrpStartsEnds {
     // Inspect solution.
     long maxRouteDistance = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;

ortools/constraint_solver/samples/VrpTimeWindows.java

@@ -86,6 +86,9 @@ public class VrpTimeWindows {
     RoutingDimension timeDimension = routing.getMutableDimension("Time");
     long totalTime = 0;
     for (int i = 0; i < data.vehicleNumber; ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       String route = "";

ortools/constraint_solver/samples/VrpWithTimeLimit.java

@@ -43,6 +43,9 @@ public final class VrpWithTimeLimit {
     // Inspect solution.
     long maxRouteDistance = 0;
     for (int i = 0; i < manager.getNumberOfVehicles(); ++i) {
+      if (!routing.isVehicleUsed(solution, i)) {
+        continue;
+      }
       long index = routing.start(i);
       logger.info("Route for Vehicle " + i + ":");
       long routeDistance = 0;