source: src/main/java/agents/anac/y2015/AgentX/AgentX.java

package agents.anac.y2015.AgentX;

import java.util.List;

import genius.core.AgentID;
import genius.core.Bid;
import genius.core.actions.Accept;
import genius.core.actions.Action;
import genius.core.actions.EndNegotiation;
import genius.core.actions.Inform;
import genius.core.actions.Offer;
import genius.core.parties.AbstractNegotiationParty;
import genius.core.parties.NegotiationInfo;
import genius.core.utility.AdditiveUtilitySpace;

/**
 * This is your negotiation party.
 */
public class AgentX extends AbstractNegotiationParty {
        private negotiatingInfo negotiatingInfo; // 交渉情報
        private bidSearch bidSearch; // Bid探索
        private strategy strategy; // 交渉戦略
        private Bid offeredBid = null; // 提案された合意案候補

        // デバッグ用
        public static boolean isPrinting = false; // メッセージを表示する

        @Override
        public void init(NegotiationInfo info) {
                super.init(info);

                if (isPrinting) {
                        System.out.println("*** AgentX ***");
                }

                negotiatingInfo = new negotiatingInfo(
                                (AdditiveUtilitySpace) utilitySpace);
                try {
                        bidSearch = new bidSearch((AdditiveUtilitySpace) utilitySpace,
                                        negotiatingInfo);
                } catch (Exception e) {
                        throw new RuntimeException("init failed:" + e, e);
                }
                strategy = new strategy((AdditiveUtilitySpace) utilitySpace,
                                negotiatingInfo);
        }

        /**
         * Each round this method gets called and ask you to accept or offer. The
         * first party in the first round is a bit different, it can only propose an
         * offer.
         *
         * @param validActions
         *            Either a list containing both accept and offer or only offer.
         * @return The chosen action.
         */
        @Override
        public Action chooseAction(List<Class<? extends Action>> validActions) {
                double time = timeline.getTime(); // 現在の交渉時刻を取得
                // Accept
                if (validActions.contains(Accept.class)
                                && strategy.selectAccept(offeredBid, time)) {
                        return new Accept(getPartyId(), offeredBid);
                }

                // EndNegotiation
                if (strategy.selectEndNegotiation(time)) {
                        return new EndNegotiation(getPartyId());
                }

                // Offer
                return OfferAction();
        }

        public Action OfferAction() {
                Bid offerBid = bidSearch.getBid(generateRandomBid(),
                                strategy.getThreshold(timeline.getTime()));
                negotiatingInfo.updateMyBidHistory(offerBid);
                return new Offer(getPartyId(), offerBid);
        }

        /**
         * All offers proposed by the other parties will be received as a message.
         * You can use this information to your advantage, for example to predict
         * their utility.
         *
         * @param sender
         *            The party that did the action.
         * @param action
         *            The action that party did.
         */
        @Override
        public void receiveMessage(AgentID sender, Action action) {
                super.receiveMessage(sender, action);
                // Here you can listen to other parties' messages
                if (isPrinting) {
                        System.out.println("Sender:" + sender + ", Action:" + action);
                }

                if (action != null) {
                        if (action instanceof Inform
                                        && ((Inform) action).getName() == "NumberOfAgents"
                                        && ((Inform) action).getValue() instanceof Integer) {
                                Integer opponentsNum = (Integer) ((Inform) action).getValue();
                                negotiatingInfo.updateOpponentsNum(opponentsNum);
                                if (isPrinting) {
                                        System.out.println("NumberofNegotiator:"
                                                        + negotiatingInfo.getNegotiatorNum());
                                }
                        } else if (action instanceof Accept) {
                                if (!negotiatingInfo.getOpponents().contains(sender)) {
                                        negotiatingInfo.initOpponent(sender);
                                } // 初出の交渉者は初期化
                        } else if (action instanceof Offer) {
                                if (!negotiatingInfo.getOpponents().contains(sender)) {
                                        negotiatingInfo.initOpponent(sender);
                                } // 初出の交渉者は初期化
                                offeredBid = ((Offer) action).getBid(); // 提案された合意案候補
                                try {
                                        negotiatingInfo.updateInfo(sender, offeredBid);
                                } // 交渉情報を更新
                                catch (Exception e) {
                                        System.out.println(
                                                        "交渉情報の更新に失敗しました");
                                        e.printStackTrace();
                                }
                        } else if (action instanceof EndNegotiation) {
                        }
                }
        }

        @Override
        public String getDescription() {
                return "ANAC2015";
        }

}