source: proiecte/ptvs/src/vnsim/vehicular/generator/EntryFlowVariation.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.vehicular.generator;

import java.util.*;

public class EntryFlowVariation {

        //sorted by time
        
        ArrayList<Integer> times; //simulation time
        ArrayList<Integer> flow;
        
        public EntryFlowVariation(){
                times=new ArrayList<Integer> ();
                flow=new ArrayList<Integer> ();
        }

        public int getFirstValue() {
                if(flow.size()<0)
                        return -1;
                return flow.get(0);
        }
        
        public void removeFirst() {
                times.remove(0);
                flow.remove(0);
        }
        
        public int getFirstMom() {
                if(times.size()==0)
                        return -1;
                return times.get(0);
        }

        public void add(int mom, int val) {
                if(times.size()>0) {
                        int last=times.get(times.size()-1);
                        if(mom<last) {
                                System.err.println("WARNING! Skipped adding time = "+mom+" NOT LAST!");
                                return;
                        }
                }
                times.add(mom);
                flow.add(val);
        }
}