Extended vehicle route randomly after exit

src/de/tud/kom/p2psim/impl/topology/movement/vehicular/sumo/simulation/controller/traci/TraciSimulationController.java

@@ -50,7 +50,7 @@ import it.polito.appeal.traci.SumoTraciConnection;
 public class TraciSimulationController implements VehicleController, SimulationSetupExtractor, EdgeController, SimulatorObserver {
 	private static final File TEMP_FILE = new File(new File(System.getProperty("java.io.tmpdir")), "road_network.tmp");
 
-	private List<RoadNetworkEdge> modifiedEdges = new ArrayList<>();
+	private Random _random = Randoms.getRandom(getClass());
 
 	private static final Map<String, TraciSimulationController> CONTROLLER = new HashMap<>();
 
@@ -200,6 +200,9 @@ public class TraciSimulationController implements VehicleController, SimulationS
 
 	@Override
 	public boolean nextStep() {
+		if (Simulator.getEndTime() == Simulator.getCurrentTime()) {
+			return false;
+		}
 		try {
 			_connection.do_timestep();
 
@@ -521,6 +524,11 @@ public class TraciSimulationController implements VehicleController, SimulationS
 								}
 								edges.add(accessibleEdges.get(j));
 
+								List<RoadNetworkEdge> newPaths;
+								while ((newPaths = edges.get(edges.size() - 1).getAccessibleEdges()).size() > 0) {
+									edges.add(newPaths.get(_random.nextInt(newPaths.size())));
+								}
+
 								for (RoadNetworkEdge roadNetworkEdge : edges) {
 									if (pEdgesToAvoid.contains(roadNetworkEdge)) {
 										continue outer;
@@ -695,14 +703,6 @@ public class TraciSimulationController implements VehicleController, SimulationS
 		RoadNetworkEdge edge = getRoadNetwork().getEdge(pEdgeID);
 
 		edge.setMaxSpeed(pMaxSpeed);
-
-		if (edge.getOriginalMaxSpeed() != pMaxSpeed) {
-			if (!modifiedEdges.contains(edge)) {
-				modifiedEdges.add(edge);
-			}
-		} else {
-			modifiedEdges.remove(edge);
-		}
 	}
 
 }