VehicleFilter.java

Go to the documentation of this file.

package ns2;

import java.util.List;
import java.util.Map;

public class VehicleFilter {
    public static void filter(
            List<String> vehicleId, 
            List<String> wantedVehicle,
            Map<String, Double> vehicleFirstOcc, 
            Map<String, Double> vehicleLastOcc,
            double begin,
            double end) {
        for (String id: vehicleId) {
            // vehicle too late
            if (vehicleFirstOcc.get(id) > end) {
                wantedVehicle.remove(id); // id is an object
            }
            // begin == end means end is end of sumo simulation, see Parser.java
            if (begin != end) {
                // vehicle too early
                if (vehicleLastOcc.get(id) < begin) {
                    wantedVehicle.remove(id); // id is an object
                }
            } else {
                // update stop time of ns2 simulation
                end = Math.max(end, vehicleLastOcc.get(id));
            }
        }
        // change occurence times for use in ns2
        for (String id: wantedVehicle) {
            if (vehicleFirstOcc.get(id) < begin) {
                vehicleFirstOcc.put(id, begin);
            }
            if (vehicleLastOcc.get(id) > end) {
                vehicleLastOcc.put(id, end);
            }
        }
    }
            
}