source: src/main/java/agents/anac/y2015/cuhkagent2015/OwnBidHistory.java

package agents.anac.y2015.cuhkagent2015;

/*
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 * and open the template in the editor.
 */
import java.util.ArrayList;

import genius.core.Bid;
import genius.core.utility.AdditiveUtilitySpace;

/**
 *
 * @author s1155032495
 */
public class OwnBidHistory {
        private ArrayList<Bid> BidHistory;
        private Bid minBidInHistory;

        public OwnBidHistory() {
                BidHistory = new ArrayList<Bid>();
        }

        protected void addBid(Bid bid, AdditiveUtilitySpace utilitySpace) {
                if (BidHistory.indexOf(bid) == -1) {
                        BidHistory.add(bid);
                }
                try {
                        if (BidHistory.size() == 1) {
                                this.minBidInHistory = BidHistory.get(0);
                        } else {
                                if (utilitySpace.getUtility(bid) < utilitySpace
                                                .getUtility(this.minBidInHistory)) {
                                        this.minBidInHistory = bid;
                                }
                        }
                } catch (Exception e) {
                        System.out.println("error in addBid method of OwnBidHistory class"
                                        + e.getMessage());
                }
        }

        protected Bid GetMinBidInHistory() {

                return this.minBidInHistory;
        }

        protected Bid getLastBid() {
                if (BidHistory.size() >= 1) {
                        return BidHistory.get(BidHistory.size() - 1);
                } else {
                        return null;
                }
        }

        protected int numOfBidsProposed() {
                return BidHistory.size();
        }

        protected Bid chooseLowestBidInHistory(AdditiveUtilitySpace utilitySpace) {
                double minUtility = 100;
                Bid minBid = null;
                try {
                        for (Bid bid : BidHistory) {
                                if (utilitySpace.getUtility(bid) < minUtility) {
                                        minUtility = utilitySpace.getUtility(bid);
                                        minBid = bid;
                                }
                        }
                } catch (Exception e) {
                        System.out.println("Exception in chooseLowestBidInHistory");
                }
                return minBid;
        }
}