1 | package geniusweb.protocol.session.mopac;
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2 |
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3 | import java.util.Collections;
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4 | import java.util.LinkedList;
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5 | import java.util.List;
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6 | import java.util.stream.Collectors;
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7 |
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8 | import com.fasterxml.jackson.annotation.JsonCreator;
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9 | import com.fasterxml.jackson.annotation.JsonProperty;
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10 |
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11 | import geniusweb.deadline.Deadline;
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12 | import geniusweb.protocol.session.SessionSettings;
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13 | import geniusweb.protocol.session.TeamInfo;
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14 | import geniusweb.references.PartyWithProfile;
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15 | import geniusweb.voting.VotingEvaluator;
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16 | import tudelft.utilities.logging.Reporter;
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17 |
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18 | /**
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19 | * Settings for MOPAC negotiation. in MOPAC, each party may get a "power"
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20 | * parameter containing an natural number ≤1.
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21 | */
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22 | public class MOPACSettings implements SessionSettings {
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23 | private final List<TeamInfo> participants;
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24 | private final Deadline deadline;
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25 | private final VotingEvaluator votingevaluator;
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26 |
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27 | /**
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28 | *
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29 | * @param participants the list of {@link PartyWithProfile} in clockwise
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30 | * order. There must be at least 2 to run the MOPAC
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31 | * protocol. This is not tested in the constructor
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32 | * because this can be initialized with less, for use in
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33 | * TournamentSettings.
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34 | * @param deadline the {@link Deadline} for the negotiation
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35 | * @param votingeval the {@link VotingEvaluator} to use.
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36 | */
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37 | @JsonCreator
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38 | public MOPACSettings(
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39 | @JsonProperty("participants") List<TeamInfo> participants,
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40 | @JsonProperty("deadline") Deadline deadline,
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41 | @JsonProperty("votingevaluator") VotingEvaluator votingeval) {
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42 | this.participants = participants;
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43 | this.deadline = deadline;
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44 | if (participants == null || deadline == null || votingeval == null)
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45 | throw new IllegalArgumentException(
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46 | "participants, deadline and votingeval must be not null");
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47 | this.votingevaluator = votingeval;
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48 | checkTeams();
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49 | }
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50 |
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51 | @Override
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52 | public Double getMaxRunTime() {
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53 | return deadline.getDuration() / 1000d;
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54 | }
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55 |
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56 | @Override
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57 | public MOPAC getProtocol(Reporter logger) {
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58 | return new MOPAC(new MOPACState(this), logger);
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59 | }
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60 |
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61 | @Override
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62 | public List<TeamInfo> getTeams() {
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63 | return Collections.unmodifiableList(participants);
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64 | }
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65 |
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66 | /**
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67 | * @return the deadline for this negotiation
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68 | */
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69 | public Deadline getDeadline() {
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70 | return deadline;
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71 | }
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72 |
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73 | @Override
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74 | public List<PartyWithProfile> getAllParties() {
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75 | return participants.stream()
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76 | .map(particip -> particip.getParties().get(0))
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77 | .collect(Collectors.toList());
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78 | }
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79 |
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80 | /**
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81 | * @return a class that allows us to evaluate the voting results in
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82 | * different ways, selectable by the user.
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83 | */
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84 | public VotingEvaluator getVotingEvaluator() {
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85 | return votingevaluator;
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86 | }
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87 |
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88 | @Override
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89 | public MOPACSettings with(TeamInfo team) {
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90 | if (team.getSize() != 1)
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91 | throw new IllegalArgumentException(
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92 | "Added party must have one party but got " + team);
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93 | List<TeamInfo> newparts = new LinkedList<>(participants);
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94 | newparts.add(team);
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95 | return new MOPACSettings(newparts, deadline, votingevaluator);
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96 | }
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97 |
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98 | @Override
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99 | public String toString() {
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100 | return "MOPACSettings[" + participants + "," + deadline + ","
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101 | + votingevaluator.getClass().getSimpleName() + "]";
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102 | }
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103 |
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104 | @Override
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105 | public Integer getTeamSize() {
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106 | return 1;
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107 | }
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108 |
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109 | @Override
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110 | public int hashCode() {
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111 | final int prime = 31;
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112 | int result = 1;
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113 | result = prime * result
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114 | + ((deadline == null) ? 0 : deadline.hashCode());
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115 | result = prime * result
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116 | + ((participants == null) ? 0 : participants.hashCode());
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117 | result = prime * result
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118 | + ((votingevaluator == null) ? 0 : votingevaluator.hashCode());
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119 | return result;
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120 | }
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121 |
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122 | @Override
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123 | public boolean equals(Object obj) {
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124 | if (this == obj)
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125 | return true;
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126 | if (obj == null)
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127 | return false;
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128 | if (getClass() != obj.getClass())
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129 | return false;
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130 | MOPACSettings other = (MOPACSettings) obj;
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131 | if (deadline == null) {
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132 | if (other.deadline != null)
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133 | return false;
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134 | } else if (!deadline.equals(other.deadline))
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135 | return false;
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136 | if (participants == null) {
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137 | if (other.participants != null)
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138 | return false;
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139 | } else if (!participants.equals(other.participants))
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140 | return false;
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141 | if (votingevaluator == null) {
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142 | if (other.votingevaluator != null)
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143 | return false;
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144 | } else if (!votingevaluator.equals(other.votingevaluator))
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145 | return false;
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146 | return true;
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147 | }
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148 |
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149 | /**
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150 | * @throws IllegalArgumentException if teams have improper power settings.
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151 | */
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152 | private void checkTeams() {
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153 | for (TeamInfo team : participants) {
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154 | if (team.getSize() != 1)
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155 | throw new IllegalArgumentException(
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156 | "All teams must be size 1 but found " + team);
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157 | PartyWithProfile party = team.getParties().get(0);
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158 | Object power = party.getParty().getParameters().get("power");
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159 | if (power != null) {
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160 | if (!(power instanceof Integer))
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161 | throw new IllegalArgumentException(
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162 | "parameter 'power' for party" + party
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163 | + " must be integer but found " + power);
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164 | if ((Integer) power < 1)
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165 | throw new IllegalArgumentException(
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166 | "parameter 'power' for party" + party
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167 | + " must be >=1 but found " + power);
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168 |
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169 | }
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170 | }
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171 | }
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172 |
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173 | }
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