1 | package agents.anac.y2014.BraveCat.OpponentModelStrategies;
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2 |
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3 | import agents.anac.y2014.BraveCat.OpponentModels.OpponentModel;
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4 | import java.util.HashMap;
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5 | import java.util.List;
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6 | import java.util.Random;
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7 | import agents.anac.y2014.BraveCat.necessaryClasses.NegotiationSession;
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8 | import genius.core.bidding.BidDetails;
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9 |
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10 | public class BestBid extends OMStrategy
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11 | {
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12 | double updateThreshold = 1.1D;
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13 |
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14 | public BestBid()
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15 | {
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16 | }
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17 |
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18 | public BestBid(NegotiationSession negotiationSession, OpponentModel model)
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19 | {
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20 | try
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21 | {
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22 | super.init(negotiationSession, model);
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23 | } catch (Exception e) {
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24 | }
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25 | }
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26 |
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27 | @Override
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28 | public void init(NegotiationSession negotiationSession, OpponentModel model, HashMap<String, Double> parameters)
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29 | throws Exception
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30 | {
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31 | super.init(negotiationSession, model);
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32 | if (parameters.get("t") != null)
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33 | this.updateThreshold = ((Double)parameters.get("t")).doubleValue();
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34 | else
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35 | System.out.println("OMStrategy assumed t = 1.1");
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36 | }
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37 |
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38 | @Override
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39 | public BidDetails getBid(List<BidDetails> allBids)
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40 | {
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41 | if (allBids.size() == 1) {
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42 | return (BidDetails)allBids.get(0);
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43 | }
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44 | double bestUtil = -1.0D;
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45 | BidDetails bestBid = (BidDetails)allBids.get(0);
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46 |
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47 | boolean allWereZero = true;
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48 |
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49 | for (BidDetails bid : allBids)
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50 | {
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51 | try
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52 | {
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53 | double evaluation = this.model.getBidEvaluation(bid);
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54 | if (evaluation > 0.0001D)
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55 | {
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56 | allWereZero = false;
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57 | }
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58 | if (evaluation > bestUtil)
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59 | {
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60 | bestBid = bid;
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61 | bestUtil = evaluation;
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62 | }
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63 | } catch (Exception ex)
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64 | {
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65 | System.out.println("Exception occured while executing getBidEvaluation in Best Bid OMStrategy!");
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66 | }
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67 | }
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68 |
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69 | if (allWereZero) {
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70 | Random r = new Random();
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71 | return (BidDetails)allBids.get(r.nextInt(allBids.size()));
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72 | }
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73 | return bestBid;
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74 | }
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75 |
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76 | @Override
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77 | public boolean canUpdateOM()
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78 | {
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79 | return this.negotiationSession.getTime() < this.updateThreshold;
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80 | }
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81 | } |
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