source: src/main/java/agents/anac/y2014/E2Agent/myUtility/SessionData.java

package agents.anac.y2014.E2Agent.myUtility;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Random;

import agents.anac.y2011.TheNegotiator.BidsCollection;
import agents.anac.y2012.MetaAgent.agents.WinnerAgent.opponentOffers;
import genius.core.Agent;
import genius.core.Bid;
import genius.core.NegotiationResult;
import genius.core.actions.Accept;
import genius.core.actions.Action;
import genius.core.actions.Offer;
import genius.core.issue.Issue;
import genius.core.issue.IssueInteger;
import genius.core.issue.Value;
import genius.core.issue.ValueInteger;
import genius.core.timeline.Timeline;
import genius.core.utility.*;

public class SessionData implements Serializable {
        private static final long serialVersionUID = 1L;

        ArrayList<BidStorageList> sessionsBitStorageList = null;
        ArrayList<Boolean> agreementList = null;
        ArrayList<BidStorage> lastBidList = null; 
        ArrayList<Double> discountedUtilList = null;
        
        public SessionData(int sessionTotal) {
                sessionsBitStorageList = new ArrayList<BidStorageList>(sessionTotal);
                agreementList = new ArrayList<Boolean>(sessionTotal);
                lastBidList = new ArrayList<BidStorage>(sessionTotal);
                discountedUtilList = new ArrayList<Double>();
        }
        
        public void save(int sessionNr, BidStorageList bidList,
                        NegotiationResult result, double utility, double time) {
                sessionsBitStorageList.add(bidList);
                agreementList.add(result.isAgreement());
                System.out.println(result.isAgreement());
                lastBidList.add(new BidStorage(result.getLastBid(), utility, time));
                discountedUtilList.add(result.getMyDiscountedUtility());
        }
        
        public Parameters getParamters(double res, double dis) {
                double u = 0;
                double t = 0;
                double agreementCount = 0;
                
                int size = lastBidList.size();
                Parameters p = null;
                for(int i=0; i<size; ++i) {
                        if(agreementList.get(i)) {
                                agreementCount += 1;
                                u += lastBidList.get(i).getUtility();
                                t += lastBidList.get(i).getTime();
                        }
                }
                if(agreementCount>0) {
                        p = new Parameters(u/agreementCount, t/agreementCount, 
                                        2.5*(2/(1+dis)), 2, 0.2*(1-dis));
                } else {
                        p = new Parameters(1, 0, 
                                        2.5*(2/(1+dis)), 2, 0.2*(1-dis));
                }
                
                p.g *= Math.pow(1.1, size-agreementCount);
                if(size > 0 && agreementList.get(size-1)==false) {
                        int count = 0;
                        for(int i=size-1; i>=0; --i) {
                                if(agreementList.get(i)) {
                                        break;
                                } 
                                count += 1;
                        }
                        p.beta *= Math.pow(0.9, count);
                }

                return p;
        }
}