source: src/main/java/agents/anac/y2016/agentsmith/AgentSmith2016.java

package agents.anac.y2016.agentsmith;

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.timeline.TimeLineInfo;
import genius.core.utility.AbstractUtilitySpace;

/**
 * This is your negotiation party.
 */

public class AgentSmith2016 extends AbstractNegotiationParty {
        private TimeLineInfo timeLineInfo; // タイムライン
        private AbstractUtilitySpace utilitySpace;
        private negotiationInfo negotiationInfo; // 交渉情報
        private bidSearch bidSearch; // 合意案候補の探索
        private negotiationStrategy negotiationStrategy; // 交渉戦略
        private Bid offeredBid = null; // 最近提案された合意案候補

        private boolean isPrinting = false; // デバッグ用

        @Override
        public void init(NegotiationInfo info) {
                super.init(info);
                if (isPrinting)
                        System.out.println("*** SampleAgent2016 v1.0 ***");

                this.timeLineInfo = info.getTimeline();
                this.utilitySpace = info.getUtilitySpace();
                negotiationInfo = new negotiationInfo(utilitySpace, isPrinting);
                negotiationStrategy = new negotiationStrategy(utilitySpace,
                                negotiationInfo, isPrinting);

                try {
                        bidSearch = new bidSearch(utilitySpace, negotiationInfo,
                                        isPrinting);
                } catch (Exception e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                }
        }

        /**
         * 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 = timeLineInfo.getTime(); // 現在の時刻

                // Acceptの判定
                if (validActions.contains(Accept.class)
                                && negotiationStrategy.selectAccept(offeredBid, time)) {
                        return new Accept(getPartyId(), offeredBid);
                }
                // 他のプレイヤーに新たなBidをOffer
                Bid offerBid = bidSearch.getBid(
                                utilitySpace.getDomain().getRandomBid(null),
                                negotiationStrategy.getThreshold(timeLineInfo.getTime()));

                // EndNegotiationの判定
                if (negotiationStrategy.selectEndNegotiation(offerBid, time)) {
                        return new EndNegotiation(getPartyId());
                }

                negotiationInfo.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. Can be null.
         * @param action
         *            The action that party did.
         */
        @Override
        public void receiveMessage(AgentID sender, Action action) {
                // プレイヤーのアクションを受信
                super.receiveMessage(sender, action);

                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();
                                negotiationInfo.updateOpponentsNum(opponentsNum);
                                if (isPrinting) {
                                        System.out.println("NumberofNegotiator:"
                                                        + negotiationInfo.getNegotiatorNum());
                                }
                        }
                        if (action instanceof Accept) {
                                if (!negotiationInfo.getOpponents().contains(sender)) {
                                        negotiationInfo.initOpponent(sender);
                                } // 初出の交渉者は初期化
                        }
                        if (action instanceof Offer) {
                                if (!negotiationInfo.getOpponents().contains(sender)) {
                                        negotiationInfo.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 {
                                        negotiationInfo.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();
                                }
                        }
                        if (action instanceof EndNegotiation) {
                        }
                }
        }

        @Override
        public String getDescription() {
                return "ANAC2016";
        }

}