root/okpoll/src/net/okjsp/poll/PollService.java

package net.okjsp.poll;

import java.util.ArrayList;

public class PollService {
        
        static ArrayList<Poll> list = new ArrayList<Poll>();
 
        public int add(Poll poll) {
                int newPollId = list.size();
                poll.setId(newPollId);
                list.add(poll);
                return poll.getId();
        }

        public ArrayList<Poll> getList() {
                return list;
        }

        public Poll get(int id) {
                for(Poll poll: list) {
                        if (poll.getId() == id) 
                                return poll;
                }
                return null;
        }
        
        public int countUp(int pollId, int itemId) {
                Poll poll = get(pollId);
                return poll.increment(itemId);
        }
}