source: src/main/java/agents/OptimalBidderSimple.java@ 126

Last change on this file since 126 was 1, checked in by Wouter Pasman, 6 years ago

Initial import : Genius 9.0.0

File size: 2.0 KB
Line 
1/**
2 * OptimalBidder: using the optimal stopping rule (cutoffs) for bidding.
3 * B_{j+1} = 1/2 + 1/2 B_j^2
4 *
5 *
6 *
7 * @author rafik
8 ************************************************************************************************************************************/
9
10package agents;
11
12import java.util.HashMap;
13
14import genius.core.SupportedNegotiationSetting;
15import genius.core.issue.ISSUETYPE;
16import genius.core.issue.IssueDiscrete;
17import genius.core.issue.Value;
18import genius.core.issue.ValueDiscrete;
19
20public class OptimalBidderSimple extends OptimalBidder {
21 @Override
22 public void init() {
23 partitions = 1000;
24 rv = utilitySpace.getReservationValue();
25 super.init();
26 }
27
28 @Override
29 public String getName() {
30 return "Optimal Bidder Simple";
31 }
32
33 /**
34 * computation of the bid for round j as in prop 4.3
35 *
36 * @param round
37 * j
38 * @return bid value
39 **/
40 @Override
41 public double bid(int j) {
42 if (j == 1)
43 return 0.5 + 0.5 * rv;
44 else
45 return 0.5 + 0.5 * Math.pow(bid(j - 1), 2);
46 }
47
48 /**
49 * Getting the issue's values
50 *
51 * @param void
52 * @return void
53 * @throws Exception
54 **/
55 @Override
56 public void getValues() throws Exception {
57 if (pie.getType().equals(ISSUETYPE.DISCRETE)) {
58 IssueDiscrete discrete_pie = (IssueDiscrete) pie;
59 int nvalues = discrete_pie.getNumberOfValues();
60 print(" #values = " + nvalues);
61 values = new HashMap<Integer, Value>(nvalues);
62 for (int i = 0; i < nvalues; i++) {
63 ValueDiscrete value = discrete_pie.getValue(i);
64 values.put(i, value);
65 // print( " values[" + i + "] = " + value);
66 }
67 } else {
68 throw new Exception(
69 "Type " + pie.getType() + " not supported by " + getName());
70 }
71 }
72
73 @Override
74 public String getVersion() {
75 return "v1.0";
76 }
77
78 @Override
79 public SupportedNegotiationSetting getSupportedNegotiationSetting() {
80 return SupportedNegotiationSetting.getLinearUtilitySpaceInstance();
81 }
82
83 @Override
84 public String getDescription() {
85 return "using the optimal stopping rule (cutoffs) for bidding";
86 }
87
88}
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