1 | package agents.anac.y2015.agentBuyogV2;
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2 |
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3 | import java.util.HashMap;
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4 | import java.util.List;
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5 | import java.util.Map.Entry;
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6 | import java.util.Random;
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7 |
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8 | import agents.anac.y2015.agentBuyogV2.flanagan.analysis.Regression;
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9 | import genius.core.AgentID;
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10 | import genius.core.Bid;
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11 | import genius.core.BidHistory;
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12 | import genius.core.actions.Accept;
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13 | import genius.core.actions.Action;
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14 | import genius.core.actions.EndNegotiation;
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15 | import genius.core.actions.Offer;
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16 | import genius.core.analysis.BidSpace;
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17 | import genius.core.bidding.BidDetails;
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18 | import genius.core.boaframework.SortedOutcomeSpace;
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19 | import genius.core.issue.Issue;
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20 | import genius.core.issue.IssueDiscrete;
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21 | import genius.core.issue.IssueInteger;
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22 | import genius.core.issue.Objective;
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23 | import genius.core.issue.Value;
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24 | import genius.core.issue.ValueDiscrete;
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25 | import genius.core.issue.ValueInteger;
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26 | import genius.core.misc.Range;
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27 | import genius.core.parties.AbstractNegotiationParty;
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28 | import genius.core.parties.NegotiationInfo;
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29 | import genius.core.utility.AdditiveUtilitySpace;
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30 | import genius.core.utility.Evaluator;
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31 | import genius.core.utility.EvaluatorDiscrete;
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32 | import genius.core.utility.EvaluatorInteger;
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33 |
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34 | public class AgentBuyogMain extends AbstractNegotiationParty {
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35 |
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36 | // PARAMETER LIST. THIS IS WHAT YOU'RE SUPPOSED TO PLAY AROUND WITH.
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37 |
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38 | private static final double alphaDefault = 0, betaDefault = 0,
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39 | issueWeightsConstant = 0.3, issueValuesConstant = 100,
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40 | minimumHistorySize = 50, learningTimeController = 1.3; // Discount
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41 | // is
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42 | // added
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43 | // to
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44 | // the
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45 | // learningTimeController.
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46 | // So
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47 | // it's
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48 | // actually
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49 | // learningTimeController
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50 | // +
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51 | // discount
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52 | private static final int maxWeightForBidPoint = 300;
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53 | private static final double leniencyAdjuster = 1,
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54 | domainWeightController = 1.75, timeConcessionController = 1.8;
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55 | private static final double lastSecondConcessionFactor = 0.5;
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56 | private static final double kalaiPointCorrection = 0.1;
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57 |
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58 | // PARAMETER LIST ENDS HERE. DO NOT TOUCH CODE BELOW THIS POINT.
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59 |
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60 | private OpponentInfo infoA, infoB;
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61 | private BidHistory myBidHistory, AandBscommonBids, totalHistory;
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62 | private boolean initialized = false;
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63 | private SortedOutcomeSpace sortedUtilitySpace;
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64 | private int numberOfRounds = 0;
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65 |
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66 | @Override
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67 | public void init(NegotiationInfo info) {
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68 | super.init(info);
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69 | this.totalHistory = new BidHistory();
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70 | this.myBidHistory = new BidHistory();
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71 | this.AandBscommonBids = new BidHistory();
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72 | this.sortedUtilitySpace = new SortedOutcomeSpace(utilitySpace);
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73 |
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74 | }
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75 |
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76 | @Override
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77 | public Action chooseAction(List<Class<? extends Action>> possibleActions) {
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78 |
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79 | if (timeline.getTime() >= 1) {
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80 | return new EndNegotiation(getPartyId());
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81 | }
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82 |
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83 | numberOfRounds++;
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84 | double timePerRound = timeline.getTime() / numberOfRounds;
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85 | double remainingRounds = (1 - timeline.getTime()) / timePerRound;
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86 |
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87 | BidDetails bestBid = null;
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88 | double minimumPoint = utilitySpace.getDiscountFactor() * 0.7
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89 | + utilitySpace.getReservationValueUndiscounted() * 0.3;
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90 |
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91 | BidDetails bestAgreeableBidSoFar = null;
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92 | double bestAgreeableBidsUtility = 0;
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93 | double mostRecentBidsUtility = 0;
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94 |
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95 | if (AandBscommonBids != null && AandBscommonBids.size() > 0) {
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96 | bestAgreeableBidSoFar = AandBscommonBids.getBestBidDetails();
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97 | bestAgreeableBidsUtility = AandBscommonBids.getBestBidDetails()
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98 | .getMyUndiscountedUtil();
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99 | }
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100 |
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101 | if (totalHistory != null && totalHistory.size() > 0) {
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102 | mostRecentBidsUtility = totalHistory.getLastBidDetails()
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103 | .getMyUndiscountedUtil();
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104 | }
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105 |
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106 | OpponentInfo difficultAgent = null;
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107 |
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108 | if (infoA != null && infoB != null && infoA.getAgentDifficulty() != null
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109 | && infoB.getAgentDifficulty() != null) {
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110 |
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111 | if (infoA.getAgentDifficulty() <= infoB.getAgentDifficulty()) {
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112 | difficultAgent = infoA;
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113 | } else {
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114 | difficultAgent = infoB;
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115 | }
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116 |
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117 | minimumPoint = utilitySpace.getDiscountFactor()
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118 | * difficultAgent.getAgentDifficulty();
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119 | }
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120 |
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121 | double acceptanceThreshold = minimumPoint + (1 - minimumPoint)
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122 | * (1 - Math.pow(timeline.getTime(), timeConcessionController));
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123 |
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124 | if (remainingRounds <= 3) {
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125 | acceptanceThreshold = acceptanceThreshold
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126 | * lastSecondConcessionFactor;
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127 | }
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128 |
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129 | if (acceptanceThreshold < utilitySpace
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130 | .getReservationValueUndiscounted()) {
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131 | acceptanceThreshold = utilitySpace
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132 | .getReservationValueUndiscounted();
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133 |
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134 | if (utilitySpace.getDiscountFactor() < 1 && remainingRounds > 3) {
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135 | return new EndNegotiation(getPartyId());
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136 | }
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137 | }
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138 |
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139 | if (possibleActions.contains(Accept.class)) {
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140 | if (mostRecentBidsUtility >= acceptanceThreshold
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141 | && mostRecentBidsUtility >= bestAgreeableBidsUtility
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142 | && remainingRounds <= 3) {
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143 | return new Accept(getPartyId(),
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144 | totalHistory.getLastBidDetails().getBid());
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145 | }
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146 | }
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147 |
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148 | if (bestAgreeableBidsUtility > acceptanceThreshold) {
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149 | bestBid = bestAgreeableBidSoFar;
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150 | } else {
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151 | Range range = new Range(acceptanceThreshold, 1);
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152 | List<BidDetails> bidsInWindow = sortedUtilitySpace
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153 | .getBidsinRange(range);
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154 | bestBid = getBestBidFromList(bidsInWindow);
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155 | }
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156 |
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157 | if (possibleActions.contains(Accept.class)) {
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158 | if (mostRecentBidsUtility >= acceptanceThreshold
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159 | && mostRecentBidsUtility >= bestAgreeableBidsUtility
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160 | && mostRecentBidsUtility >= bestBid
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161 | .getMyUndiscountedUtil()) {
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162 | return new Accept(getPartyId(),
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163 | totalHistory.getLastBidDetails().getBid());
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164 | }
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165 | }
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166 |
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167 | totalHistory.add(bestBid);
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168 | return new Offer(getPartyId(), bestBid.getBid());
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169 |
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170 | }
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171 |
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172 | private BidDetails getBestBidFromList(List<BidDetails> bidsInWindow) {
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173 | double bestBidOpponentsUtil = 0;
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174 | BidDetails bestBid = null;
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175 |
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176 | if (infoA == null || infoB == null || infoA.getAgentDifficulty() == null
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177 | || infoB.getAgentDifficulty() == null) {
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178 | Random random = new Random();
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179 | return bidsInWindow.get(random.nextInt(bidsInWindow.size()));
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180 | }
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181 |
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182 | try {
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183 | bestBid = findNearestBidToKalai(bidsInWindow, 1D, 1D);
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184 | } catch (Exception e) {
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185 | e.printStackTrace();
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186 | }
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187 |
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188 | return bestBid;
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189 | }
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190 |
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191 | private BidDetails findNearestBidToKalai(List<BidDetails> bidsInWindow,
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192 | Double infoAKalai, Double infoBKalai) {
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193 | Double shortestDistance;
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194 | BidDetails nearestBid;
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195 |
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196 | nearestBid = bidsInWindow.get(0);
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197 | shortestDistance = getDistance(nearestBid, infoAKalai, infoBKalai);
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198 |
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199 | for (BidDetails bid : bidsInWindow) {
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200 | Double bidDistance = getDistance(bid, infoAKalai, infoBKalai);
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201 | if (bidDistance < shortestDistance) {
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202 | shortestDistance = bidDistance;
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203 | nearestBid = bid;
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204 | }
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205 | }
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206 | return nearestBid;
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207 | }
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208 |
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209 | private Double getDistance(BidDetails bid, Double infoAKalai,
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210 | Double infoBKalai) {
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211 | try {
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212 | return Math.sqrt((1 - infoA.getAgentDifficulty())
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213 | * Math.pow(infoA.getOpponentUtilitySpace()
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214 | .getUtility(bid.getBid()) - infoAKalai, 2)
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215 | + (1 - infoB.getAgentDifficulty())
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216 | * Math.pow(infoB.getOpponentUtilitySpace()
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217 | .getUtility(bid.getBid()) - infoBKalai, 2));
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218 | } catch (Exception e) {
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219 | e.printStackTrace();
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220 | }
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221 | return 0D;
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222 | }
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223 |
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224 | @Override
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225 | public void receiveMessage(AgentID sender, Action action) {
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226 |
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227 | super.receiveMessage(sender, action);
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228 |
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229 | if (sender == null
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230 | || !((action instanceof Offer) || (action instanceof Accept))) {
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231 | return;
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232 | }
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233 |
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234 | Bid bid = null;
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235 |
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236 | if (!initialized) {
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237 | initializeOpponentInfo(sender);
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238 | }
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239 |
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240 | if (action instanceof Offer) {
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241 | bid = ((Offer) action).getBid();
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242 | try {
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243 | totalHistory.add(new BidDetails(bid,
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244 | utilitySpace.getUtility(bid), timeline.getTime()));
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245 | } catch (Exception e) {
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246 | e.printStackTrace();
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247 | }
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248 | } else if (action instanceof Accept) {
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249 | bid = totalHistory.getLastBid();
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250 | }
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251 |
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252 | OpponentInfo senderInfo = getOpponentInfoObjectOfSender(sender);
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253 | OpponentInfo otherInfo = getOpponentInfoObjectOfOther(sender);
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254 | updateOpponentBidHistory(senderInfo, bid);
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255 | updateCommonBids(otherInfo, bid);
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256 | updateOpponentModel(senderInfo);
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257 | }
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258 |
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259 | private void updateCommonBids(OpponentInfo otherInfo, Bid bid) {
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260 | if (otherInfo == null) {
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261 | return;
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262 | }
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263 | if (otherInfo.containsBid(bid)) {
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264 | try {
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265 | this.AandBscommonBids
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266 | .add(new BidDetails(bid, utilitySpace.getUtility(bid)));
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267 | } catch (Exception e) {
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268 | e.printStackTrace();
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269 | }
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270 | }
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271 |
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272 | }
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273 |
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274 | private OpponentInfo getOpponentInfoObjectOfOther(Object sender) {
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275 |
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276 | if (infoA != null && infoA.getAgentID().equals(sender.toString())) {
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277 | return infoB;
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278 | } else if (infoB != null
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279 | && infoB.getAgentID().equals(sender.toString())) {
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280 | return infoA;
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281 | }
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282 |
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283 | return null;
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284 |
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285 | }
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286 |
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287 | private void updateOpponentModel(OpponentInfo senderInfo) {
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288 |
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289 | if (senderInfo == null) {
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290 | return;
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291 | }
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292 |
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293 | // CODE TO LEARN OPPONENT CONCESSION
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294 | if (senderInfo.getAgentBidHistory().size() >= minimumHistorySize) {
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295 | LearningFunction function = new LearningFunction(
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296 | senderInfo.getAgentBidHistory().getHistory().get(0)
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297 | .getMyUndiscountedUtil());
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298 | double xData[] = new double[senderInfo.getBestBids().size()];
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299 | double yData[] = new double[senderInfo.getBestBids().size()];
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300 | double yWeights[] = new double[senderInfo.getBestBids().size()];
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301 | double step[] = { 0.005, 0.005 };
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302 | double initialEstimates[] = { alphaDefault, betaDefault };
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303 | for (int i = 0; i < senderInfo.getBestBids().size(); i++) {
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304 | xData[i] = senderInfo.getBestBids().getHistory().get(i)
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305 | .getTime();
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306 | yData[i] = senderInfo.getBestBids().getHistory().get(i)
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307 | .getMyUndiscountedUtil();
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308 | yWeights[i] = senderInfo.getBidPointWeights().get(i);
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309 | }
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310 | Regression regression = new Regression(xData, yData, yWeights);
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311 |
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312 | regression.simplex(function, initialEstimates, step);
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313 |
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314 | double[] bestEstimates = regression.getBestEstimates();
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315 | double alpha = bestEstimates[0];
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316 | double beta = bestEstimates[1];
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317 | double slopeStandardScale = Math.pow(Math.E, alpha) * beta
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318 | * Math.pow(timeline.getTime(), beta - 1);
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319 | double slopeFromZeroToOne = Math.atan(slopeStandardScale)
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320 | / (Math.PI / 2);
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321 | double adjustedLeniency = slopeFromZeroToOne
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322 | + slopeFromZeroToOne / leniencyAdjuster;
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323 | if (adjustedLeniency > 1) {
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324 | adjustedLeniency = 1;
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325 | }
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326 | senderInfo.setLeniency(adjustedLeniency);
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327 | } else {
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328 | senderInfo.setLeniency(-1D);
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329 | }
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330 |
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331 | // CODE TO LEARN OPPONENT PREFERENCES
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332 | AdditiveUtilitySpace opponentUtilitySpace = senderInfo
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333 | .getOpponentUtilitySpace();
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334 |
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335 | if (senderInfo.getAgentBidHistory().size() < 2) {
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336 | return;
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337 | }
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338 |
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339 | int numberOfUnchanged = 0;
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340 | int numberOfIssues = opponentUtilitySpace.getDomain().getIssues()
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341 | .size();
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342 | BidHistory opponentsBidHistory = senderInfo.getAgentBidHistory();
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343 | BidDetails opponentsLatestBid = opponentsBidHistory.getLastBidDetails();
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344 | BidDetails opponentsSecondLastBid = opponentsBidHistory.getHistory()
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345 | .get(opponentsBidHistory.size() - 2);
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346 | HashMap<Integer, Boolean> changed = determineDifference(senderInfo,
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347 | opponentsSecondLastBid, opponentsLatestBid);
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348 |
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349 | for (Boolean hasChanged : changed.values()) {
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350 | if (!hasChanged) {
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351 | numberOfUnchanged++;
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352 | }
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353 | }
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354 |
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355 | double goldenValue = issueWeightsConstant
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356 | * (1 - (Math.pow(timeline.getTime(),
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357 | learningTimeController
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358 | + utilitySpace.getDiscountFactor())))
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359 | / numberOfIssues;
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360 | double totalSum = 1D + goldenValue * numberOfUnchanged;
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361 | double maximumWeight = 1D - (numberOfIssues) * goldenValue / totalSum;
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362 |
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363 | for (Integer issueNumber : changed.keySet()) {
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364 | if (!changed.get(issueNumber) && opponentUtilitySpace
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365 | .getWeight(issueNumber) < maximumWeight) {
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366 | opponentUtilitySpace.setWeight(
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367 | opponentUtilitySpace.getDomain().getObjectivesRoot()
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368 | .getObjective(issueNumber),
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369 | (opponentUtilitySpace.getWeight(issueNumber)
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370 | + goldenValue) / totalSum);
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371 | } else {
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372 | opponentUtilitySpace.setWeight(
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373 | opponentUtilitySpace.getDomain().getObjectivesRoot()
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374 | .getObjective(issueNumber),
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375 | opponentUtilitySpace.getWeight(issueNumber) / totalSum);
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376 | }
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377 | }
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378 |
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379 | try {
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380 | for (Entry<Objective, Evaluator> issueEvaluatorEntry : opponentUtilitySpace
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381 | .getEvaluators()) {
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382 | if (issueEvaluatorEntry.getKey() instanceof IssueDiscrete) {
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383 | ((EvaluatorDiscrete) issueEvaluatorEntry.getValue())
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384 | .setEvaluation(
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385 | opponentsLatestBid.getBid().getValue(
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386 | ((IssueDiscrete) issueEvaluatorEntry
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387 | .getKey()).getNumber()),
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388 | (int) (issueValuesConstant
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389 | * (1 - Math.pow(timeline.getTime(),
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390 | learningTimeController
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391 | + utilitySpace
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392 | .getDiscountFactor()))
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393 | + ((EvaluatorDiscrete) issueEvaluatorEntry
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394 | .getValue())
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395 | .getEvaluationNotNormalized(
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396 | (ValueDiscrete) opponentsLatestBid
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397 | .getBid()
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398 | .getValue(
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399 | ((IssueDiscrete) issueEvaluatorEntry
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400 | .getKey())
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401 | .getNumber()))));
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402 | } else if (issueEvaluatorEntry
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403 | .getKey() instanceof IssueInteger) {
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404 | int issueNumber = ((IssueInteger) issueEvaluatorEntry
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405 | .getKey()).getNumber();
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406 | Value opponentsLatestValueForIssue = opponentsLatestBid
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407 | .getBid().getValue(issueNumber);
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408 | int opponentsLatestValueForIssueAsInteger = ((ValueInteger) opponentsLatestValueForIssue)
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409 | .getValue();
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410 |
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411 | int upperBound = ((IssueInteger) issueEvaluatorEntry
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412 | .getKey()).getUpperBound();
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413 | int lowerBound = ((IssueInteger) issueEvaluatorEntry
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414 | .getKey()).getLowerBound();
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415 | double midPoint = Math.ceil(
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416 | lowerBound + (upperBound - lowerBound) / 2) + 1;
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417 |
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418 | if (midPoint > opponentsLatestValueForIssueAsInteger) {
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419 | double distanceFromMidPoint = midPoint
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420 | - opponentsLatestValueForIssueAsInteger;
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421 | double normalizedDistanceFromMidPoint = distanceFromMidPoint
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422 | / (midPoint - lowerBound);
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423 |
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424 | double total = 1;
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425 | double newLowEndEvaluation = ((EvaluatorInteger) issueEvaluatorEntry
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426 | .getValue()).getEvaluation(lowerBound)
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427 | + (issueValuesConstant / 10000)
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428 | * normalizedDistanceFromMidPoint
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429 | * (1 - Math.pow(timeline.getTime(),
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430 | learningTimeController
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431 | + utilitySpace
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432 | .getDiscountFactor()));
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433 | double highEndEvaluation = ((EvaluatorInteger) issueEvaluatorEntry
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434 | .getValue()).getEvaluation(upperBound);
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435 |
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436 | if (newLowEndEvaluation > 1) {
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437 | total = newLowEndEvaluation + highEndEvaluation;
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438 | }
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439 |
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440 | ((EvaluatorInteger) issueEvaluatorEntry.getValue())
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441 | .setLinearFunction(newLowEndEvaluation / total,
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442 | highEndEvaluation / total);
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443 | } else {
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444 | double distanceFromMidPoint = opponentsLatestValueForIssueAsInteger
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445 | - midPoint + 1; // because
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446 | // midPoint
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447 | // is
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448 | // included
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449 | // and
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450 | // I
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451 | // don't
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452 | // want
|
---|
453 | // a
|
---|
454 | // 0
|
---|
455 | // value.
|
---|
456 | double normalizedDistanceFromMidPoint = distanceFromMidPoint
|
---|
457 | / (upperBound - midPoint + 1);
|
---|
458 |
|
---|
459 | double total = 1;
|
---|
460 | double newHighEndEvaluation = ((EvaluatorInteger) issueEvaluatorEntry
|
---|
461 | .getValue()).getEvaluation(upperBound)
|
---|
462 | + (issueValuesConstant / 10000)
|
---|
463 | * normalizedDistanceFromMidPoint
|
---|
464 | * (1 - Math.pow(timeline.getTime(),
|
---|
465 | learningTimeController
|
---|
466 | + utilitySpace
|
---|
467 | .getDiscountFactor()));
|
---|
468 | double lowEndEvaluation = ((EvaluatorInteger) issueEvaluatorEntry
|
---|
469 | .getValue()).getEvaluation(lowerBound);
|
---|
470 |
|
---|
471 | if (newHighEndEvaluation > 1) {
|
---|
472 | total = newHighEndEvaluation + lowEndEvaluation;
|
---|
473 | }
|
---|
474 |
|
---|
475 | ((EvaluatorInteger) issueEvaluatorEntry.getValue())
|
---|
476 | .setLinearFunction(lowEndEvaluation / total,
|
---|
477 | newHighEndEvaluation / total);
|
---|
478 | }
|
---|
479 | }
|
---|
480 | }
|
---|
481 | } catch (Exception e) {
|
---|
482 | e.printStackTrace();
|
---|
483 | }
|
---|
484 |
|
---|
485 | try {
|
---|
486 |
|
---|
487 | BidSpace bidSpace = new BidSpace(this.utilitySpace,
|
---|
488 | opponentUtilitySpace, true);
|
---|
489 | double kalaiPoint = bidSpace.getKalaiSmorodinsky().getUtilityA();
|
---|
490 |
|
---|
491 | // UNCOMMENT THE FOLLOWING LINES IF THE ESTIMATED KALAI POINT IS A
|
---|
492 | // BIT TOO CONSERVATIVE
|
---|
493 |
|
---|
494 | if (kalaiPoint <= 0.4) {
|
---|
495 | kalaiPoint = kalaiPoint + kalaiPointCorrection;
|
---|
496 | } else if (kalaiPoint <= 0.7) {
|
---|
497 | kalaiPoint = kalaiPoint + (kalaiPointCorrection / 2);
|
---|
498 | }
|
---|
499 |
|
---|
500 | if (kalaiPoint > senderInfo.getBestBids().getBestBidDetails()
|
---|
501 | .getMyUndiscountedUtil()) {
|
---|
502 | senderInfo.setDomainCompetitiveness(kalaiPoint);
|
---|
503 | } else {
|
---|
504 | senderInfo.setDomainCompetitiveness(senderInfo.getBestBids()
|
---|
505 | .getBestBidDetails().getMyUndiscountedUtil());
|
---|
506 | }
|
---|
507 |
|
---|
508 | if (senderInfo.getAgentBidHistory().size() >= minimumHistorySize) {
|
---|
509 | // TODO Changeable formulas
|
---|
510 | double domainWeight = (1 - Math.pow(senderInfo.getLeniency(),
|
---|
511 | domainWeightController));
|
---|
512 | double agentDifficulty = (1 - domainWeight)
|
---|
513 | * senderInfo.getLeniency()
|
---|
514 | + domainWeight * senderInfo.getDomainCompetitiveness();
|
---|
515 | senderInfo.setAgentDifficulty(agentDifficulty);
|
---|
516 | } else {
|
---|
517 | double agentDifficulty = senderInfo.getDomainCompetitiveness();
|
---|
518 | senderInfo.setAgentDifficulty(agentDifficulty);
|
---|
519 | }
|
---|
520 | } catch (Exception e) {
|
---|
521 |
|
---|
522 | e.printStackTrace();
|
---|
523 | }
|
---|
524 |
|
---|
525 | }
|
---|
526 |
|
---|
527 | private HashMap<Integer, Boolean> determineDifference(
|
---|
528 | OpponentInfo senderInfo, BidDetails first, BidDetails second) {
|
---|
529 | HashMap<Integer, Boolean> changed = new HashMap<Integer, Boolean>();
|
---|
530 | try {
|
---|
531 | for (Issue i : senderInfo.getOpponentUtilitySpace().getDomain()
|
---|
532 | .getIssues()) {
|
---|
533 | if (i instanceof IssueDiscrete) {
|
---|
534 | changed.put(i.getNumber(),
|
---|
535 | (((ValueDiscrete) first.getBid()
|
---|
536 | .getValue(i.getNumber()))
|
---|
537 | .equals(second.getBid()
|
---|
538 | .getValue(i.getNumber())))
|
---|
539 | ? false : true);
|
---|
540 | } else if (i instanceof IssueInteger) {
|
---|
541 | changed.put(i.getNumber(),
|
---|
542 | (((ValueInteger) first.getBid()
|
---|
543 | .getValue(i.getNumber()))
|
---|
544 | .equals(second.getBid()
|
---|
545 | .getValue(i.getNumber())))
|
---|
546 | ? false : true);
|
---|
547 | }
|
---|
548 | }
|
---|
549 | } catch (Exception ex) {
|
---|
550 | ex.printStackTrace();
|
---|
551 | }
|
---|
552 |
|
---|
553 | return changed;
|
---|
554 | }
|
---|
555 |
|
---|
556 | private OpponentInfo getOpponentInfoObjectOfSender(Object sender) {
|
---|
557 | if (infoA != null && infoA.getAgentID().equals(sender.toString())) {
|
---|
558 | return infoA;
|
---|
559 | } else if (infoB != null
|
---|
560 | && infoB.getAgentID().equals(sender.toString())) {
|
---|
561 | return infoB;
|
---|
562 | }
|
---|
563 |
|
---|
564 | return null;
|
---|
565 | }
|
---|
566 |
|
---|
567 | private void initializeOpponentInfo(Object sender) {
|
---|
568 | if (infoA == null) {
|
---|
569 | infoA = new OpponentInfo(sender.toString(),
|
---|
570 | (AdditiveUtilitySpace) utilitySpace);
|
---|
571 | } else if (infoB == null) {
|
---|
572 | infoB = new OpponentInfo(sender.toString(),
|
---|
573 | (AdditiveUtilitySpace) utilitySpace);
|
---|
574 | }
|
---|
575 |
|
---|
576 | if (infoA != null && infoB != null) {
|
---|
577 | initialized = true;
|
---|
578 | }
|
---|
579 | }
|
---|
580 |
|
---|
581 | private void updateOpponentBidHistory(OpponentInfo opponent, Bid bid) {
|
---|
582 |
|
---|
583 | if (opponent == null || bid == null) {
|
---|
584 | return;
|
---|
585 | }
|
---|
586 |
|
---|
587 | try {
|
---|
588 | opponent.getAgentBidHistory().add(new BidDetails(bid,
|
---|
589 | utilitySpace.getUtility(bid), timeline.getTime()));
|
---|
590 |
|
---|
591 | for (Integer i : opponent.getBidPointWeights()) {
|
---|
592 | if (i > 1) {
|
---|
593 | i--;
|
---|
594 | }
|
---|
595 | }
|
---|
596 | opponent.getBidPointWeights().add(maxWeightForBidPoint);
|
---|
597 |
|
---|
598 | if (opponent.getBestBid() == null
|
---|
599 | || utilitySpace.getUtility(bid) >= utilitySpace
|
---|
600 | .getUtility(opponent.getBestBid())) {
|
---|
601 | opponent.setBestBid(bid);
|
---|
602 | opponent.getBestBids().add(new BidDetails(bid,
|
---|
603 | utilitySpace.getUtility(bid), timeline.getTime()));
|
---|
604 | } else {
|
---|
605 | opponent.getBestBids()
|
---|
606 | .add(new BidDetails(opponent.getBestBid(),
|
---|
607 | utilitySpace.getUtility(opponent.getBestBid()),
|
---|
608 | timeline.getTime()));
|
---|
609 |
|
---|
610 | }
|
---|
611 | } catch (Exception e) {
|
---|
612 | e.printStackTrace();
|
---|
613 | }
|
---|
614 |
|
---|
615 | }
|
---|
616 |
|
---|
617 | @Override
|
---|
618 | public String getDescription() {
|
---|
619 | return "ANAC2015";
|
---|
620 | }
|
---|
621 |
|
---|
622 | }
|
---|