[127] | 1 | package agents.anac.y2012.AgentLG;
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| 2 |
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| 3 | import java.util.ArrayList;
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| 4 | import java.util.HashMap;
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| 5 | import java.util.List;
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| 6 |
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| 7 | import genius.core.Bid;
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| 8 | import genius.core.Domain;
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| 9 | import genius.core.issue.Issue;
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| 10 | import genius.core.issue.Value;
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| 11 | import genius.core.utility.UtilitySpace;
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| 12 |
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| 13 | /**
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| 14 | * Class that is used to save opponents bid and learn opponent utility
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| 15 | *
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| 16 | */
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| 17 | public class OpponentBids {
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| 18 |
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| 19 | private ArrayList<Bid> oppBids = new ArrayList<Bid>();
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| 20 | private HashMap<Issue, BidStatistic> statistic = new HashMap<Issue, BidStatistic>();
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| 21 | private Bid maxUtilityBidForMe = null;
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| 22 | private UtilitySpace utilitySpace;
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| 23 |
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| 24 | /**
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| 25 | * add opponent bid and updates statistics
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| 26 | *
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| 27 | */
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| 28 | public void addBid(Bid bid) {
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| 29 | oppBids.add(bid);
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| 30 | try {
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| 31 | // updates statistics
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| 32 | for (Issue issue : statistic.keySet()) {
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| 33 | Value v = bid.getValue(issue.getNumber());
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| 34 |
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| 35 | statistic.get(issue).add(v);
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| 36 | }
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| 37 |
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| 38 | // receiveMessage the max bid for the agent from the opponent bids
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| 39 | if (oppBids.size() == 1)
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| 40 | maxUtilityBidForMe = bid;
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| 41 | else if (utilitySpace.getUtility(maxUtilityBidForMe) < utilitySpace
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| 42 | .getUtility(bid))
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| 43 | maxUtilityBidForMe = bid;
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| 44 | } catch (Exception e) {
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| 45 | e.printStackTrace();
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| 46 | }
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| 47 | }
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| 48 |
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| 49 | /**
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| 50 | * return opponents Bids
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| 51 | *
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| 52 | */
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| 53 | public ArrayList<Bid> getOpponentsBids() {
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| 54 | return oppBids;
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| 55 | }
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| 56 |
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| 57 | public OpponentBids(UtilitySpace utilitySpace) {
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| 58 | this.utilitySpace = utilitySpace;
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| 59 | List<Issue> issues = utilitySpace.getDomain().getIssues();
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| 60 | for (Issue issue : issues) {
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| 61 | statistic.put(issue, new BidStatistic(issue));
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | /**
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| 66 | * returns opponents Bids
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| 67 | *
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| 68 | */
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| 69 | public Bid getMaxUtilityBidForMe() {
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| 70 | return maxUtilityBidForMe;
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| 71 | }
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| 72 |
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| 73 | /**
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| 74 | * returns the most voted value for an isuue
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| 75 | *
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| 76 | */
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| 77 | public Value getMostVotedValueForIsuue(Issue issue) {
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| 78 | return statistic.get(issue).getMostBided();
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| 79 | }
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| 80 |
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| 81 | /**
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| 82 | * returns opponent bid utility that calculated from the vote statistics.
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| 83 | *
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| 84 | */
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| 85 | public double getOpponentBidUtility(Domain domain, Bid bid) {
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| 86 | double ret = 0;
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| 87 | List<Issue> issues = domain.getIssues();
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| 88 | for (Issue issue : issues) {
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| 89 | try {
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| 90 | ret += statistic.get(issue).getValueUtility(
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| 91 | bid.getValue(issue.getNumber()));
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| 92 | } catch (Exception e) {
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| 93 | e.printStackTrace();
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| 94 | }
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| 95 | }
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| 96 | return ret;
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| 97 | }
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| 98 | }
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