source: src/main/java/agents/FunctionalAcceptor.java@ 127

Last change on this file since 127 was 127, checked in by Wouter Pasman, 6 years ago

#41 ROLL BACK of rev.126 . So this version is equal to rev. 125

File size: 2.0 KB
Line 
1package agents;
2
3import java.util.ArrayList;
4
5import genius.core.Bid;
6import genius.core.SupportedNegotiationSetting;
7import genius.core.timeline.DiscreteTimeline;
8
9/**
10 * uses the cutoffs to accept
11 */
12public class FunctionalAcceptor extends TimeDependentAgent {
13 double rv = -0.1;
14 int ownTotalRounds = 0;
15 private static ArrayList<Double> cutoffs;
16
17 public void init() {
18 rv = utilitySpace.getReservationValue();
19 ownTotalRounds = (getTotalRounds() - 1) / 2;
20
21 cutoffs = new ArrayList<Double>(ownTotalRounds);
22 for (int i = 0; i < ownTotalRounds; i++)
23 cutoffs.add(bid(i + 1));
24
25 super.init();
26 }
27
28 @Override
29 public double getE() {
30 return 0;
31 }
32
33 @Override
34 public String getName() {
35 return "FunctionalAcceptor";
36 }
37
38 public double bid(int j) {
39 if (j == 1)
40 return 0.5 + 0.5 * rv;
41 else
42 return 0.5 + 0.5 * Math.pow(bid(j - 1), 2);
43 }
44
45 public double functionalReservationValue() {
46 boolean immediate = false;
47
48 if (!immediate) {
49 return cutoffs.get(getOwnRoundsLeft());
50 } else {
51 // immediate acceptance case
52 return utilitySpace.getReservationValue();
53 }
54 }
55
56 @Override
57 public boolean isAcceptable(Bid plannedBid) {
58 Bid opponentLastBid = getOpponentLastBid();
59 if (getUtility(opponentLastBid) >= functionalReservationValue())
60 return true;
61 return false;
62 }
63
64 // discrete rounds' methods
65 public int getRound() {
66 return ((DiscreteTimeline) timeline).getRound();
67 }
68
69 public int getRoundsLeft() {
70 return ((DiscreteTimeline) timeline).getRoundsLeft();
71 }
72
73 public int getOwnRoundsLeft() {
74 return ((DiscreteTimeline) timeline).getOwnRoundsLeft();
75 }
76
77 public int getTotalRounds() {
78 return ((DiscreteTimeline) timeline).getTotalRounds();
79 }
80
81 public double getTotalTime() {
82 return ((DiscreteTimeline) timeline).getTotalTime();
83 }
84
85 @Override
86 public SupportedNegotiationSetting getSupportedNegotiationSetting() {
87 return SupportedNegotiationSetting.getLinearUtilitySpaceInstance();
88 }
89}
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