source: src/main/java/negotiator/boaframework/opponentmodel/agentlg/BidStatistic.java

package negotiator.boaframework.opponentmodel.agentlg;
import java.util.HashMap;

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

/**
 * Class that is used by the opponent model of the ANAC2012 AgentLG.
 */
public class BidStatistic {

        private HashMap<Value,Integer> valStatis = new HashMap<Value,Integer>();
        
        public BidStatistic(Issue issue) {
                super();
        }

        public void add(Value v)
        {
                if(valStatis.get(v)== null) {
                        valStatis.put(v,1);
                } else {
                        valStatis.put(v,valStatis.get(v) + 1);
                }
        }
        
        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)) / ((double)getMostVotedCount());
                return ret;
        }
        
}