1 | package geniusweb.boa;
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2 |
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3 | import java.lang.reflect.Parameter;
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4 | import java.util.HashMap;
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5 | import java.util.Map;
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6 | import java.util.logging.Level;
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7 |
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8 | import geniusweb.actions.Action;
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9 | import geniusweb.actions.ActionWithBid;
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10 | import geniusweb.actions.PartyId;
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11 | import geniusweb.boa.acceptancestrategy.AcceptanceStrategy;
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12 | import geniusweb.boa.biddingstrategy.BiddingStrategy;
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13 | import geniusweb.issuevalue.Bid;
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14 | import geniusweb.party.inform.Settings;
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15 | import geniusweb.profile.Profile;
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16 | import geniusweb.progress.Progress;
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17 | import tudelft.utilities.logging.Reporter;
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18 |
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19 | /**
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20 | * Stores the current state of the negotiation for a {@link BoaParty}, including
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21 | * the state of the opponent models
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22 | *
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23 | */
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24 | public class NegoState {
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25 | private final Settings settings;
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26 | private final Profile profile;
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27 | private final Progress progress;
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28 | private final Class<OpponentModel> opponentModelClass;
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29 | private final AcceptanceStrategy acceptanceStrat;
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30 | private final Bid lastReceivedBid;
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31 | private final Map<PartyId, OpponentModel> opponentModels;
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32 | private final Reporter reporter;
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33 |
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34 | public NegoState() {
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35 | this(null, null, null, null, null, null, new HashMap<>(), null);
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36 | }
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37 |
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38 | public NegoState(Settings settings, Profile profile, Progress progr,
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39 | Class<OpponentModel> omClass, AcceptanceStrategy as, Bid lastRcBid,
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40 | Map<PartyId, OpponentModel> oppMods, Reporter reporter) {
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41 | this.settings = settings;
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42 | this.profile = profile;
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43 | this.progress = progr;
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44 | this.opponentModelClass = omClass;
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45 | this.acceptanceStrat = as;
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46 | this.lastReceivedBid = lastRcBid;
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47 | this.opponentModels = oppMods;
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48 | this.reporter = reporter;
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49 | }
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50 |
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51 | /**
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52 | * Initialize the component. Must be called first.
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53 | *
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54 | * @param progress the progress to use
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55 | * @param myId the Id of this party
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56 | * @param as the acceptance strategy class
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57 | * @param om the Class of the OpponentModels
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58 | * @param reporter a {@link Reporter} to log messages and errors to
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59 | * @return initialized {@link BiddingStrategy}
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60 | * @throws InstantiationFailedException if one of provided classes can not
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61 | * be instantiated.
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62 | */
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63 |
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64 | public NegoState with(Progress progr, PartyId myId,
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65 | Class<AcceptanceStrategy> asClass, Class<OpponentModel> omClass,
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66 | Reporter reporter) throws InstantiationFailedException {
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67 | AcceptanceStrategy as;
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68 | try {
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69 | as = asClass.newInstance();
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70 | } catch (InstantiationException | IllegalAccessException e) {
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71 | throw new InstantiationFailedException(
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72 | "Failed to create " + asClass, e);
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73 | }
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74 | return new NegoState(settings, profile, progr, omClass, as,
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75 | lastReceivedBid, opponentModels, reporter);
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76 | }
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77 |
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78 | /**
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79 | *
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80 | * @param profile the profile that we use. Must be called second (after the
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81 | * init call above). Can be called multiple times, if a
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82 | * profile changes
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83 | * @throws InstantiationFailedException if one of provided classes can not
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84 | * be instantiated.
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85 | */
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86 | public NegoState with(Profile prof) {
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87 | if (profile != null)
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88 | reporter.log(Level.WARNING,
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89 | "DefaultBiddingStrategy does not support profile changes. Ignored the change.");
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90 | return new NegoState(settings, prof, progress, opponentModelClass,
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91 | acceptanceStrat, lastReceivedBid, opponentModels, reporter);
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92 | }
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93 |
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94 | /**
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95 | *
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96 | * @return the settings for this negotiation, includes my {@link PartyId},
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97 | * {@link Parameter}, {@link Profile} etc.
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98 | */
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99 | public Settings getSettings() {
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100 | return settings;
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101 | }
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102 |
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103 | /**
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104 | *
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105 | * @return the {@link Profile} as fetched from the profiles server, or null
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106 | * if no profile was received yet.
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107 | */
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108 | public Profile getProfile() {
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109 | return profile;
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110 | }
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111 |
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112 | /**
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113 | *
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114 | * @param action the action that was done by some participant.
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115 | * @return new BoaState that includes action.getBid as last bid (if action
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116 | * contains a bid), and with updated opponentmodel of that
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117 | * participant.
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118 | * @throws InstantiationFailedException if one of provided classes can not
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119 | * be instantiated.
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120 | */
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121 | public NegoState with(Action action) throws InstantiationFailedException {
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122 | try {
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123 | Map<PartyId, OpponentModel> newmodels = updateModels(action);
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124 | } catch (InstantiationException | IllegalAccessException e) {
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125 | throw new InstantiationFailedException("Updating the models failed:"
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126 | + e.getMessage() + ". Ignoring the action", e);
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127 | }
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128 | Bid lastbid = action instanceof ActionWithBid
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129 | ? ((ActionWithBid) action).getBid()
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130 | : lastReceivedBid;
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131 | return new NegoState(settings, profile, progress, opponentModelClass,
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132 | acceptanceStrat, lastbid, opponentModels, reporter);
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133 | }
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134 |
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135 | /**
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136 | * Must be called every time a 'round' as been made and the progress needs
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137 | * to be incremented.
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138 | *
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139 | * @param progress the new value of the progress
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140 | * @return new state
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141 | * @throws InstantiationFailedException if one of provided classes can not
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142 | * be instantiated.
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143 | */
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144 | public NegoState with(Progress prog) {
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145 | return new NegoState(settings, profile, prog, opponentModelClass,
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146 | acceptanceStrat, lastReceivedBid, opponentModels, reporter);
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147 | }
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148 |
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149 | /**
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150 | * @param action
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151 | * @return the map with the opponentmodels, with the party that did the
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152 | * action updated.
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153 | * @throws InstantiationException
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154 | * @throws IllegalAccessException
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155 | */
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156 | private Map<PartyId, OpponentModel> updateModels(Action action)
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157 | throws InstantiationException, IllegalAccessException {
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158 | PartyId actor = action.getActor();
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159 | Map<PartyId, OpponentModel> updated = extendedOpponentModels(actor);
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160 | updated.put(actor, updated.get(actor).with(action, progress));
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161 | return updated;
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162 | }
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163 |
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164 | /**
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165 | * Get the current opponent model, extended with newparty if there is no
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166 | * model yet for newparty.
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167 | *
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168 | * @param newparty a possibly new party
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169 | * @return a (possibly new) opponentModels map
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170 | * @throws InstantiationException
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171 | * @throws IllegalAccessException
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172 | */
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173 | private Map<PartyId, OpponentModel> extendedOpponentModels(PartyId newparty)
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174 | throws InstantiationException, IllegalAccessException {
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175 | // check if this is new party
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176 | if (opponentModels.containsKey(newparty))
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177 | return opponentModels;
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178 |
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179 | Map<PartyId, OpponentModel> newmodels = new HashMap<>(opponentModels);
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180 | OpponentModel newmodel = opponentModelClass.newInstance();
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181 | newmodel = newmodel.with(profile.getDomain());
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182 | newmodels.put(newparty, newmodel);
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183 | return newmodels;
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184 | }
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185 | }
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