IdRandomizer.java

Go to the documentation of this file.

package ns2;

import java.util.LinkedList;
import java.util.List;
import java.util.Random;

public class IdRandomizer {
    public static void randomize(List<String> wantedVehicle, List<String> vehicleNewId, long seed) {
        // set of new ids = {0, 1, ..., N-1}
        int N = wantedVehicle.size();
        List<String> tmpId = new LinkedList<String>();
        for (int i=0; i<N; i++) {
            tmpId.add("" + i);
        }
        Random rnd = new Random(seed);
        for (int i=0; i<N; i++) {
            int num = rnd.nextInt(tmpId.size());
            String val = tmpId.remove(num);
            vehicleNewId.add(val);
        }
    }
}