source: src/main/java/agents/anac/y2012/AgentLG/BidStatistic.java

package agents.anac.y2012.AgentLG;
import java.util.HashMap;

import genius.core.issue.Issue;
import genius.core.issue.Value;

/**
 * Class that is used to learn opponent utility.
 */
public class BidStatistic {

        private HashMap<Value,Integer> valStatis = new HashMap<Value,Integer>();
        private Issue issue= null;
        private double numVotes =0;
        
        public BidStatistic(Issue issue) {
                super();
                this.issue = issue;
                
                
        }
        
        
        public void add(Value v)
        {
                if(valStatis.get(v)== null)
                        valStatis.put(v,1);
                else
                        valStatis.put(v,valStatis.get(v)+1);
                numVotes++;
        }
        
        public Value getMostBided()
        {
                Value maxval = null;
                Integer maxtimes=0;
                for(Value val:valStatis.keySet())
                {
                        if (valStatis.get(val)>maxtimes)
                        {
                                maxtimes=valStatis.get(val);
                                maxval=val;
                        }
                }
                return maxval;
        }
        
        public int getMostVotedCount()
        {
                Integer maxtimes=0;
                for(Value val:valStatis.keySet())
                {
                        if (valStatis.get(val)>maxtimes)
                        {
                                maxtimes=valStatis.get(val);
                        }
                }
                return maxtimes;
        }
        
        public double getValueUtility(Value value)
        {
                double ret = 0;
                if (valStatis.get(value)!= null)
                        ret = ((double)valStatis.get(value))/getMostVotedCount();
                return ret;
        }
        
}