source: proiecte/ptvs/src/vnsim/applications/adaptiveTL/RecordComparator.java @ 31

/************************************************************************************
 * Copyright (C) 2008 by Politehnica University of Bucharest and Rutgers University
 * All rights reserved.
 * Refer to LICENSE for terms and conditions of use.
 ***********************************************************************************/
package vnsim.applications.adaptiveTL;


import java.util.Comparator;

import vnsim.vehicular.simulator.intersections.DirectedRoadSegment;


public class RecordComparator implements Comparator<IntersectionCarRecord>{

        DirectedRoadSegment segment;
        public RecordComparator(DirectedRoadSegment segment){
                this.segment = segment;
        }
        public int compare(IntersectionCarRecord car0, IntersectionCarRecord car1) {
                if (car0.car.getVehicleId() == car1.car.getVehicleId())
                        return 0;
                
                if (car0.car.getRoadIdx() != segment.roadIndex)
                        return 0;
                if (car1.car.getRoadIdx() != segment.roadIndex)
                        return 0;
                if (car1.car.getPointIdx() == car0.car.getPointIdx())
                        return 1;
                
                if (segment.direction == (car0.car.getPointIdx() < car1.car.getPointIdx()))
                        return -1;
                else
                        return 1;
        }
        
        
}