package iterables;
import iterators.Urn_Iterator;

import java.lang.Iterable;
import java.util.Iterator;

import tests.Urn_Test;


/**
 * 
 * @author J Paul Gibson
 * @version 1
 *
 *An urn of votes, where each vote is a table of strings, eg:<br>
 *
 <pre>
  [["gibson", "smith", "hughes"],
  ["jones", "bell"],
  ["raffy", "lallet"]]
  </pre>
 * represents three preferential votes with the first vote being - <br> first preference for gibson, 
 * second preference for smith and third preference for hughes<br>
 * Tested by {@link Urn_Test}
 */
public class Urn implements Iterable<String>{
	
	
public MyTableOfStringsReverseIteration[] bulletins;

/**
 * We will iterate over the bulletins in normal order - see {@link Urn_Iterator},
 * but the name strings in each bulletin in reverse order - see {@link MyTableOfStringsReverseIteration}
 * @param votes is the array of bulletins that can be iterated over
 */
public Urn (MyTableOfStringsReverseIteration [] votes) {
bulletins =  votes;
}

public int numberOfVotes(){return bulletins.length;}

public Iterator<String> iterator() {
return new Urn_Iterator(this);
}

}