1 | package agents.anac.y2017.ponpokoagent;
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2 |
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3 | import java.util.List;
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4 |
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5 | import java.util.ArrayList;
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6 | import java.util.Arrays;
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7 | import java.util.Collections;
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8 | import java.util.Comparator;
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9 | import java.util.HashMap;
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10 | import java.util.HashSet;
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11 | import java.util.Iterator;
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12 | import java.util.Random;
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13 | import java.util.Set;
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14 |
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15 | import genius.core.AgentID;
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16 | import genius.core.Bid;
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17 | import genius.core.Domain;
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18 | import genius.core.actions.Accept;
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19 | import genius.core.actions.Action;
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20 | import genius.core.actions.Offer;
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21 | import genius.core.issue.Issue;
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22 | import genius.core.issue.IssueDiscrete;
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23 | import genius.core.issue.IssueInteger;
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24 | import genius.core.issue.IssueReal;
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25 | import genius.core.issue.ValueDiscrete;
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26 | import genius.core.parties.AbstractNegotiationParty;
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27 | import genius.core.parties.NegotiationInfo;
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28 | import genius.core.utility.UtilitySpace;
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29 |
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30 | public class PonPokoAgent extends AbstractNegotiationParty {
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31 |
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32 | private Bid lastReceivedBid = null;
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33 | private Domain domain = null;
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34 |
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35 | private List<BidInfo> lBids;
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36 |
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37 | private double threshold_low = 0.99;
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38 | private double threshold_high = 1.0;
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39 |
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40 | private final int PATTERN_SIZE = 5;
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41 | private int pattern = 0;
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42 |
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43 | @Override
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44 | public void init(NegotiationInfo info) {
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45 |
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46 | super.init(info);
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47 | this.domain = getUtilitySpace().getDomain();
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48 |
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49 | lBids = new ArrayList<>(AgentTool.generateRandomBids(this.domain, 30000,
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50 | this.rand, this.utilitySpace));
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51 | Collections.sort(lBids, new BidInfoComp().reversed());
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52 |
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53 | pattern = rand.nextInt(PATTERN_SIZE);
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54 | }
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55 |
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56 | @Override
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57 | public Action chooseAction(List<Class<? extends Action>> validActions) {
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58 |
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59 | // 譲歩度合いの設定
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60 | if (pattern == 0) {
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61 | threshold_high = 1 - 0.1 * timeline.getTime();
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62 | threshold_low = 1 - 0.1 * timeline.getTime()
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63 | - 0.1 * Math.abs(Math.sin(this.timeline.getTime() * 40));
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64 | } else if (pattern == 1) {
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65 | threshold_high = 1;
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66 | threshold_low = 1 - 0.22 * timeline.getTime();
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67 | } else if (pattern == 2) {
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68 | threshold_high = 1 - 0.1 * timeline.getTime();
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69 | threshold_low = 1 - 0.1 * timeline.getTime()
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70 | - 0.15 * Math.abs(Math.sin(this.timeline.getTime() * 20));
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71 | } else if (pattern == 3) {
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72 | threshold_high = 1 - 0.05 * timeline.getTime();
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73 | threshold_low = 1 - 0.1 * timeline.getTime();
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74 | if (timeline.getTime() > 0.99) {
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75 | threshold_low = 1 - 0.3 * timeline.getTime();
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76 | }
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77 | } else if (pattern == 4) {
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78 | threshold_high = 1 - 0.15 * this.timeline.getTime()
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79 | * Math.abs(Math.sin(this.timeline.getTime() * 20));
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80 | threshold_low = 1 - 0.21 * this.timeline.getTime()
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81 | * Math.abs(Math.sin(this.timeline.getTime() * 20));
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82 | } else {
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83 | threshold_high = 1 - 0.1 * timeline.getTime();
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84 | threshold_low = 1
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85 | - 0.2 * Math.abs(Math.sin(this.timeline.getTime() * 40));
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86 | }
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87 |
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88 | // Accept判定
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89 | if (lastReceivedBid != null) {
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90 | if (getUtility(lastReceivedBid) > threshold_low) {
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91 | return new Accept(getPartyId(), lastReceivedBid);
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92 | }
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93 | }
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94 |
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95 | // Offerするbidの選択
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96 | Bid bid = null;
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97 | while (bid == null) {
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98 | bid = AgentTool.selectBidfromList(this.lBids, this.threshold_high,
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99 | this.threshold_low);
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100 | if (bid == null) {
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101 | threshold_low -= 0.0001;
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102 | }
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103 | }
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104 | return new Offer(getPartyId(), bid);
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105 | }
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106 |
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107 | @Override
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108 | public void receiveMessage(AgentID sender, Action action) {
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109 | super.receiveMessage(sender, action);
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110 | if (action instanceof Offer) {
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111 | lastReceivedBid = ((Offer) action).getBid();
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112 | }
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113 | }
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114 |
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115 | @Override
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116 | public String getDescription() {
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117 | return "ANAC2017";
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118 | }
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119 |
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120 | }
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121 |
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122 | class AgentTool {
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123 |
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124 | private static Random random = new Random();
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125 |
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126 | public static Bid selectBidfromList(List<BidInfo> bidInfoList,
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127 | double higerutil, double lowwerutil) {
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128 | List<BidInfo> bidInfos = new ArrayList<>();
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129 | // Wouter #1536 java8 not allowed, changed the code.
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130 | for (BidInfo bidInfo : bidInfoList) {
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131 | if (bidInfo.getutil() <= higerutil
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132 | && bidInfo.getutil() >= lowwerutil) {
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133 | bidInfos.add(bidInfo);
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134 | }
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135 | }
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136 | if (bidInfos.size() == 0) {
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137 | return null;
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138 | } else {
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139 | return bidInfos.get(random.nextInt(bidInfos.size())).getBid();
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140 | }
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141 | }
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142 |
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143 | public static Set<BidInfo> generateRandomBids(Domain d, int numberOfBids,
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144 | Random random, UtilitySpace utilitySpace) {
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145 | Set<BidInfo> randombids = new HashSet<>();
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146 | for (int i = 0; i < numberOfBids; i++) {
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147 | Bid b = d.getRandomBid(random);
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148 | randombids.add(new BidInfo(b, utilitySpace.getUtility(b)));
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149 | }
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150 | return randombids;
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151 | }
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152 |
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153 | public static long getNumberOfPosibleBids(Domain d) {
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154 | List lIssues = d.getIssues();
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155 | if (lIssues.isEmpty()) {
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156 | return 0;
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157 | }
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158 | long lNumberOfPossibleBids = 1;
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159 | for (Iterator it = lIssues.iterator(); it.hasNext();) {
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160 | Issue lIssue = (Issue) it.next();
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161 | if (lIssue instanceof IssueDiscrete) {
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162 | lNumberOfPossibleBids *= ((IssueDiscrete) lIssue)
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163 | .getNumberOfValues();
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164 | } else if (lIssue instanceof IssueInteger) {
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165 | lNumberOfPossibleBids *= ((IssueInteger) lIssue)
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166 | .getNumberOfDiscretizationSteps();
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167 | } else if (lIssue instanceof IssueReal) {
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168 | lNumberOfPossibleBids *= ((IssueReal) lIssue)
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169 | .getNumberOfDiscretizationSteps();
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170 | } else {
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171 | // wtf happened
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172 | return 0;
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173 | }
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174 | }
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175 | return lNumberOfPossibleBids;
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176 | }
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177 |
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178 | public static List<Bid> getAllPossibleBid2(Domain d) {
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179 | List<Bid> possiblebids = new ArrayList<>();
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180 | List lIssues = d.getIssues();
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181 | int[] count = new int[lIssues.size()];
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182 | for (int i = 0; i < lIssues.size(); i++) {
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183 | Issue issue = (Issue) (lIssues.get(i));
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184 | if (issue instanceof IssueDiscrete) {
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185 | List<ValueDiscrete> lValues = ((IssueDiscrete) issue)
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186 | .getValues();
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187 | lValues.get(0).getValue();
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188 | } else if (issue instanceof IssueInteger) {
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189 |
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190 | } else if (issue instanceof IssueReal) {
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191 |
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192 | }
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193 | }
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194 |
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195 | return null;
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196 | }
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197 |
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198 | // 可能なbidをすべて列挙する.
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199 | public static List<Bid> getAllPossibleBids(Domain dom) {
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200 | List allpossiblebids = new ArrayList<Bid>();
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201 | List lIssues = dom.getIssues();
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202 | int[] count = new int[lIssues.size()];
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203 | Arrays.fill(count, 0);
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204 | int cur = 0;
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205 | while (cur != lIssues.size()) {
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206 | HashMap e = new HashMap();
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207 | for (int i = 0; i < lIssues.size(); i++) {
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208 | e.put(Integer.valueOf(
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209 | ((IssueDiscrete) (lIssues.get(i))).getNumber()),
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210 | ((IssueDiscrete) (lIssues.get(i))).getValue(count[i]));
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211 | }
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212 |
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213 | Bid newbid = new Bid(dom, e);
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214 | allpossiblebids.add(newbid);
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215 | boolean changed = false;
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216 | for (int i = 0; i <= cur && cur != lIssues.size(); i++) {
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217 | if (!changed) {
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218 | if (count[i] < ((IssueDiscrete) (lIssues.get(i)))
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219 | .getValues().size() - 1) {
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220 | count[i]++;
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221 | changed = true;
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222 | } else {
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223 | count[i] = 0;
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224 | if (i == cur) {
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225 | cur++;
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226 | }
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227 | }
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228 | }
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229 | }
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230 | }
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231 | return allpossiblebids;
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232 | }
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233 | }
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234 |
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235 | // bidとその効用を保存するクラス
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236 | class BidInfo {
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237 | Bid bid;
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238 | double util;
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239 |
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240 | public BidInfo(Bid b) {
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241 | this.bid = b;
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242 | util = 0.0;
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243 | }
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244 |
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245 | public BidInfo(Bid b, double u) {
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246 | this.bid = b;
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247 | util = u;
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248 | }
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249 |
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250 | public void setutil(double u) {
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251 | util = u;
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252 | }
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253 |
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254 | public Bid getBid() {
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255 | return bid;
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256 | }
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257 |
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258 | public double getutil() {
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259 | return util;
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260 | }
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261 |
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262 | // 適当実装
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263 | @Override
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264 | public int hashCode() {
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265 | return bid.hashCode();
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266 | }
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267 |
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268 | public boolean equals(BidInfo bidInfo) {
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269 | return bid.equals(bidInfo.getBid());
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270 | }
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271 |
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272 | @Override
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273 | public boolean equals(Object obj) {
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274 | if (obj == null) {
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275 | return false;
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276 | }
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277 | if (obj instanceof BidInfo) {
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278 | return ((BidInfo) obj).getBid().equals(bid);
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279 | } else {
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280 | return false;
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281 | }
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282 | }
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283 |
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284 | }
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285 |
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286 | final class BidInfoComp implements Comparator<BidInfo> {
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287 | BidInfoComp() {
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288 | super();
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289 | }
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290 |
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291 | @Override
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292 | public int compare(BidInfo o1, BidInfo o2) {
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293 | return Double.compare(o1.getutil(), o2.getutil());
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294 | }
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295 | }
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