1 | package boaexample;
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2 |
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3 | import java.util.HashMap;
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4 | import java.util.Map;
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5 |
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6 | import negotiator.boaframework.opponentmodel.HardHeadedFrequencyModel;
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7 |
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8 | import genius.core.boaframework.AcceptanceStrategy;
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9 | import genius.core.boaframework.BoaParty;
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10 | import genius.core.boaframework.OMStrategy;
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11 | import genius.core.boaframework.OfferingStrategy;
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12 | import genius.core.boaframework.OpponentModel;
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13 | import genius.core.utility.AbstractUtilitySpace;
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14 |
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15 | /**
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16 | * This example shows how BOA components can be made into an independent negotiation party.
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17 | *
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18 | * Note that this is equivalent to adding a BOA party via the GUI by selecting the components and parameters.
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19 | * However, this method gives more control over the implementation, as the agent designer can
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20 | * choose to override behavior (such as handling preference uncertainty).
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21 | */
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22 | public class BoaPartyExample extends BoaParty
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23 | {
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24 | // The choice for each component is made here
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25 | private static AcceptanceStrategy acceptanceStrategy() {return new AC_Next();}
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26 | private static OfferingStrategy offeringStrategy() {return new TimeDependent_Offering();}
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27 | private static OpponentModel opponentModel() {return new HardHeadedFrequencyModel();}
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28 | private static OMStrategy opponentModelStrategy() {return new BestBid();}
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29 |
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30 | // All component parameters can be set below. Static initialization is used purely for convenience as the
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31 | // constructor call to super() needs to be the first statement
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32 | private static Map<String, Double> acParams() {return new HashMap<String, Double>();}
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33 | private static Map<String, Double> omParams() {return new HashMap<String, Double>();}
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34 | private static Map<String, Double> omsParams() {return new HashMap<String, Double>();}
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35 |
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36 | // Set the concession parameter "e" for the offering strategy to yield Boulware-like behavior
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37 | private static Map<String, Double> osParams()
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38 | {
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39 | HashMap<String, Double> osParams = new HashMap<String, Double>();
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40 | osParams.put("e", 0.2);
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41 | return osParams;
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42 | }
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43 |
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44 | public BoaPartyExample()
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45 | {
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46 | // This initializes all the components of this party to the choices defined above
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47 | super(acceptanceStrategy(), acParams(),
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48 | offeringStrategy(), osParams(),
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49 | opponentModel(), omParams(),
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50 | opponentModelStrategy(), omsParams());
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51 | }
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52 |
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53 | // All the rest of the functionality is defined by the BOA framework
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54 |
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55 | /**
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56 | * Specific functionality, such as the estimate of the utility space in the face of preference uncertainty,
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57 | * can be specified by overriding the default behavior.
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58 | */
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59 | @Override
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60 | public AbstractUtilitySpace estimateUtilitySpace()
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61 | {
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62 | return super.estimateUtilitySpace();
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63 | }
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64 |
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65 | }
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