import edu.neu.ccs.demeter.dj.*;
// import com.objectspace.jgl.*;
// import com.objectspace.jgl.algorithms.*;
import java.util.*;

class Main {
  public static void main(String[] args) {
    ClassGraph cg = new ClassGraph(); // constructed from *.java
    System.out.println(cg.getVersion() + " = version");
    // 5 people
    MyVector persons = new MyVector();
    persons.addElement(new Person());
    persons.addElement(new Person());
    persons.addElement(new Person());
    persons.addElement(new Person());
    persons.addElement(new Person());
    BusStop aBusStop = new BusStop(persons);

    MyVector busStops = new MyVector();
    // 10 people
    busStops.addElement(aBusStop);
    busStops.addElement(aBusStop);
    Village aVillage = new Village(busStops);

    MyVector villages = new MyVector();
    // 20 people
    villages.addElement(aVillage);
    villages.addElement(aVillage);

    MyVector buses = new MyVector();
    buses.addElement(persons);
    buses.addElement(persons);

    BusRoute aBusRoute = new BusRoute(buses, villages);

    Strategy sg = new Strategy("from BusRoute through BusStop to Person");
    TraversalGraph tg = new TraversalGraph(sg, cg);
    Integer result = (Integer) tg.traverse(aBusRoute, new MyVisitor());
    int r = result.intValue();
    if (r==20) {System.out.println("SUCCESS");}
    else {System.out.println("FAILURE");};
    System.out.println(" number of waiting persons = " + result);
    System.out.println
      ("Traversal Graph for from BusRoute through BusStop to Person");
    System.out.println(tg);        

    //InputIterator beginDs = tg.start(aBusRoute);
    //InputIterator endDs = tg.finish(aBusRoute);
    //Printing.println(beginDs, endDs);
    
    ObjectGraph og = new ObjectGraph(aBusRoute,cg);
    int res2 = aBusRoute.count2(new ObjectGraphSlice(og,
		"from BusRoute through BusStop to Person"));
    System.out.println(" number of waiting persons = " + res2);

    int res3 = aBusRoute.count3(new ObjectGraphSlice(og,
		"from BusRoute through BusStop to Person"));
    System.out.println(" number of waiting persons = " + res3);

    System.out.println(" Print waiting people");        
    List e = cg.asList(aBusRoute,"from BusRoute through BusStop to Person");
    Iterator i = e.iterator();
    while (i.hasNext())
          System.out.println(i.next());


  }
}