source: src/main/java/agents/ai2014/group4/Party.java@ 127

Last change on this file since 127 was 1, checked in by Wouter Pasman, 6 years ago

Initial import : Genius 9.0.0
File size: 4.2 KB
Line 
1package agents.ai2014.group4;
2
3import java.util.ArrayList;
4import java.util.HashMap;
5import java.util.List;
6
7import genius.core.AgentID;
8import genius.core.Bid;
9import genius.core.Domain;
10import genius.core.actions.Accept;
11import genius.core.actions.Action;
12import genius.core.actions.DefaultAction;
13import genius.core.actions.Offer;
14import genius.core.issue.Issue;
15import genius.core.issue.IssueDiscrete;
16import genius.core.issue.ValueDiscrete;
17
18public class Party {
19
20 private String name;
21 private ArrayList<IssueModel> issueModels = new ArrayList<IssueModel>();
22 private double rateOfChange = 0.1;
23 private HashMap<IssueModel, List<Integer>> accepted = new HashMap<IssueModel, List<Integer>>();
24 private AgentID agentid;
25
26 /**
27 *
28 * @param name
29 * @param domain
30 * @param agentid
31 * the agent id of the party represented
32 */
33 public Party(String name, Domain domain, AgentID agentid) {
34 this.name = name;
35 createIssueModels(domain);
36 this.agentid = agentid;
37 }
38
39 private void createIssueModels(Domain domain) {
40 for (Issue issue : domain.getIssues()) {
41 List<ValueDiscrete> values = ((IssueDiscrete) issue).getValues();
42 IssueModel im = new IssueModel(issue.getName(), values);
43 issueModels.add(im);
44 accepted.put(im, new ArrayList<Integer>());
45 for (int i = 0; i < values.size(); i++) {
46 accepted.get(im).add(0);
47 }
48 }
49
50 }
51
52 public void updateWithBid(Bid bid, Action action) {
53 // Update utility
54 for (IssueModel issue : issueModels) {
55 for (Issue iss : bid.getIssues()) {
56 if (issue.getName().equals(iss.getName())) {
57 ValueDiscrete value = new ValueDiscrete("");
58 int i = iss.getNumber() - 1;
59 try {
60 value = (ValueDiscrete) bid.getValue(i + 1);
61 } catch (Exception e) {
62 e.printStackTrace();
63 }
64
65 if (action instanceof Accept) {
66 issue.updateUtility(value, rateOfChange);
67
68 List<Integer> acc = accepted.get(issue);
69 int j = 0;
70 for (ValueDiscrete v : issue.getValues()) {
71 try {
72 if (v.getValue().equals(
73 bid.getValue(i + 1).toString())) {
74 acc.set(j, acc.get(j) + 1);
75 }
76 } catch (Exception e) {
77 // TODO Auto-generated catch block
78 e.printStackTrace();
79 }
80 j++;
81 }
82 accepted.put(issue, acc);
83 } else if (action instanceof Offer) {
84 issue.updateUtility(value, -rateOfChange);
85 Bid newBid = DefaultAction.getBidFromAction(action);
86 updateWithBid(newBid, new Accept(agentid, newBid));
87
88 List<Integer> acc = accepted.get(issue);
89 int j = 0;
90 for (ValueDiscrete v : issue.getValues()) {
91 try {
92 if (v.getValue().equals(
93 bid.getValue(i + 1).toString())) {
94 acc.set(j, acc.get(j) - 1);
95 }
96 } catch (Exception e) {
97 // TODO Auto-generated catch block
98 e.printStackTrace();
99 }
100 j++;
101 }
102 accepted.put(issue, acc);
103 }
104 break;
105 }
106 }
107 }
108
109 // update weights
110 double sumSpread = 0;
111 double spread = 0;
112 for (IssueModel issue : issueModels) {
113 double max = Double.NEGATIVE_INFINITY;
114 double min = Double.POSITIVE_INFINITY;
115 for (int p : accepted.get(issue)) {
116 max = Math.max(max, p);
117 min = Math.min(min, p);
118 }
119 spread = max - min;
120 sumSpread = sumSpread + spread;
121 }
122 for (IssueModel issue : issueModels) {
123 double max = Double.NEGATIVE_INFINITY;
124 double min = Double.POSITIVE_INFINITY;
125 for (int p : accepted.get(issue)) {
126 max = Math.max(max, p);
127 min = Math.min(min, p);
128 }
129 spread = max - min;
130 issue.setValue(spread / sumSpread);
131 }
132 }
133
134 public Double estimateUtility(Bid bid) {
135 double utility = 0;
136
137 for (IssueModel issue : issueModels) {
138 double weight = issue.getValue();
139 ValueDiscrete value = new ValueDiscrete("");
140 for (Issue iss : bid.getIssues()) {
141 if (issue.getName() == iss.getName()) {
142 int i = iss.getNumber();
143 try {
144 value = (ValueDiscrete) bid.getValue(i);
145 } catch (Exception e) {
146 e.printStackTrace();
147 }
148 break;
149 }
150 }
151 double util = issue.getUtility(value);
152 utility = utility + util * weight;
153 }
154
155 return utility;
156 }
157
158 public ArrayList<IssueModel> getIssueModels() {
159 return issueModels;
160 }
161
162 public void setIssueModels(ArrayList<IssueModel> issueModels) {
163 this.issueModels = issueModels;
164 }
165
166}
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