source: src/main/java/agents/anac/y2016/syagent/negotiationInfo.java

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

Initial import : Genius 9.0.0
File size: 12.1 KB
Line 
1package agents.anac.y2016.syagent;
2
3import java.util.ArrayList;
4import java.util.Collections;
5import java.util.HashMap;
6import java.util.List;
7
8import genius.core.AgentID;
9import genius.core.Bid;
10import genius.core.issue.Issue;
11import genius.core.issue.IssueDiscrete;
12import genius.core.issue.IssueInteger;
13import genius.core.issue.Value;
14import genius.core.issue.ValueDiscrete;
15import genius.core.utility.AbstractUtilitySpace;
16import genius.core.utility.UtilitySpace;
17
18public class negotiationInfo {
19 /* Unchangeable Information */
20 private UtilitySpace utilitySpace; // 効用空間
21 private boolean isLinerUtilitySpace = true; // 線形効用空間であるかどうか
22 private List<Issue> issues; // 論点
23 private ArrayList<Object> opponents; // 自身以外の交渉参加者のsender
24 private int negotiatorNum = 0; // 交渉者数
25 private double rv = 0.0; // 留保価格の初期値
26 private double df = 1.0; // 割引係数
27
28 /* Changeable Information */
29 private HashMap<Issue, HashMap<Value, Integer>> allFrequency = null; // 全員分の頻度
30
31 /* My Negotiation Information */
32 private HashMap<Issue, HashMap<Value, Double>> valueRelativeUtility = null; // 自身の効用空間における各論点値の相対効用値行列（線形効用空間用）
33 private ArrayList<Bid> MyBidHistory = null; // 自分の提案履歴
34 private double MyBidAverage = 0.0;// 自分の平均
35 private int round = 0; // 自分の手番数
36
37 /* Opponents Negotiation Information */
38 private HashMap<Object, ArrayList<Bid>> opponentsBidHistory = null; // 相手の提案履歴
39 private HashMap<Object, Double> opponentsAverage; // 相手の平均
40 private HashMap<Object, Double> opponentsVariance; // 相手の分散
41 private HashMap<Object, Double> opponentsSum; // 相手の和
42 private HashMap<Object, Double> opponentsPowSum; // 相手の二乗和
43 private HashMap<Object, Double> opponentsStandardDeviation; // 相手の標準偏差
44 private HashMap<Object, HashMap<Issue, HashMap<Value, Integer>>> opponentsFrequency = null; // 相手の頻度
45 private HashMap<Object, ArrayList<Bid>> opponentsAcceptBid = null; // 相手の受容履歴
46
47 private boolean isPrinting = false; // デバッグ用
48
49 public negotiationInfo(AbstractUtilitySpace utilitySpace, boolean isPrinting) {
50 /* Initialize Unchangeable Information */
51 this.utilitySpace = utilitySpace;
52 this.isPrinting = isPrinting;
53 issues = utilitySpace.getDomain().getIssues();
54 opponents = new ArrayList<Object>();
55 negotiatorNum = new Integer(0);
56 rv = utilitySpace.getReservationValue();
57 df = utilitySpace.getDiscountFactor();
58
59 /* Initialize Changeable Information */
60 allFrequency = new HashMap<Issue, HashMap<Value, Integer>>();
61 try {
62 initAllValueFrequency();
63 } catch (Exception e1) {
64 System.out.println("全員の頻度行列の初期化に失敗しました");
65 e1.printStackTrace();
66 }
67
68 /* Initialize My Negotiation Information */
69 valueRelativeUtility = new HashMap<Issue, HashMap<Value, Double>>();
70 try {
71 initValueRelativeUtility();
72 } catch (Exception e) {
73 System.out.println("相対効用行列の初期化に失敗しました");
74 e.printStackTrace();
75 }
76 MyBidHistory = new ArrayList<>();
77 MyBidAverage = new Double(0.0);
78 round = new Integer(0);
79
80 /* Initialize Opponents Negotiation Information */
81 opponentsBidHistory = new HashMap<Object, ArrayList<Bid>>();
82 opponentsAverage = new HashMap<Object, Double>();
83 opponentsVariance = new HashMap<Object, Double>();
84 opponentsSum = new HashMap<Object, Double>();
85 opponentsPowSum = new HashMap<Object, Double>();
86 opponentsStandardDeviation = new HashMap<Object, Double>();
87 opponentsFrequency = new HashMap<Object, HashMap<Issue, HashMap<Value, Integer>>>();
88 opponentsAcceptBid = new HashMap<Object, ArrayList<Bid>>();
89 }
90
91 /*** 初期化に関するメソッドたち ***/
92
93 // 全員分の頻度の初期化
94 private void initAllValueFrequency() throws Exception {
95 ArrayList<Value> values = null;
96 for (Issue issue : issues) {
97 allFrequency.put(issue, new HashMap<Value, Integer>());
98 values = getValues(issue);
99 for (Value value : values) {
100 allFrequency.get(issue).put(value, 0);
101 }
102 }
103 }
104
105 // 相対効用行列の初期化
106 private void initValueRelativeUtility() throws Exception {
107 ArrayList<Value> values = null;
108 for (Issue issue : issues) {
109 valueRelativeUtility.put(issue, new HashMap<Value, Double>()); // 論点(issue)行の初期化
110 values = getValues(issue);
111 for (Value value : values) {
112 valueRelativeUtility.get(issue).put(value, 0.0);
113 } // 論点(issue)行の要素の初期化
114 }
115 }
116
117 // 相対効用行列の導出
118 public void setValueRelativeUtility(Bid maxBid) throws Exception {
119 ArrayList<Value> values = null;
120 Bid currentBid = null;
121 for (Issue issue : issues) {
122 currentBid = new Bid(maxBid);
123 values = getValues(issue);
124 for (Value value : values) {
125 currentBid = currentBid.putValue(issue.getNumber(), value);
126 valueRelativeUtility.get(issue).put(
127 value,
128 utilitySpace.getUtility(currentBid)
129 - utilitySpace.getUtility(maxBid));
130 }
131 }
132 }
133
134 // 初出のsenderの情報を初期化
135 public void initOpponent(Object sender) {
136 opponents.add(sender); // 交渉参加者にsenderを追加
137 initNegotiationInfo(sender); // 交渉情報を初期化
138 try {
139 initOpponentsValueFrequency(sender);
140 } catch (Exception e) {
141 System.out.println("相手の頻度の初期化に失敗しました");
142 e.printStackTrace();
143 }
144 }
145
146 // senderのNegotiationInfoの初期化
147 private void initNegotiationInfo(Object sender) {
148 opponentsBidHistory.put(sender, new ArrayList<Bid>());
149 opponentsAverage.put(sender, 0.0);
150 opponentsVariance.put(sender, 0.0);
151 opponentsSum.put(sender, 0.0);
152 opponentsPowSum.put(sender, 0.0);
153 opponentsStandardDeviation.put(sender, 0.0);
154 opponentsAcceptBid.put(sender, new ArrayList<Bid>());
155 }
156
157 // 相手の頻度の初期化
158 private void initOpponentsValueFrequency(Object sender) throws Exception {
159 opponentsFrequency.put(sender,
160 new HashMap<Issue, HashMap<Value, Integer>>()); // senderの頻度の初期化
161 for (Issue issue : issues) {
162 opponentsFrequency.get(sender).put(issue,
163 new HashMap<Value, Integer>());
164 ArrayList<Value> values = getValues(issue);
165 for (Value value : values) {
166 opponentsFrequency.get(sender).get(issue).put(value, 0);
167 }
168 }
169 }
170
171 /*** 更新に関するメソッドたち (void) ***/
172
173 // 交渉者数を更新
174 public void updateOpponentsNum(int num) {
175 negotiatorNum = num;
176 }
177
178 // 交渉情報の更新
179 public void updateInfo(Object sender, Bid offeredBid) {
180 try {
181 updateNegotiationInfo(sender, offeredBid);
182 } // 交渉情報の更新
183 catch (Exception e1) {
184 System.out.println("交渉情報の更新に失敗しました");
185 e1.printStackTrace();
186 }
187 try {
188 updateFrequency(sender, offeredBid);
189 } // senderの頻度の更新
190 catch (Exception e) {
191 System.out.println("頻度の更新に失敗しました");
192 e.printStackTrace();
193 }
194 }
195
196 // 頻度を更新
197 private void updateFrequency(Object sender, Bid offeredBid)
198 throws Exception {
199 for (Issue issue : issues) {
200 Value value = offeredBid.getValue(issue.getNumber());
201 opponentsFrequency
202 .get(sender)
203 .get(issue)
204 .put(value,
205 opponentsFrequency.get(sender).get(issue)
206 .get(value) + 1); // リストを更新
207 allFrequency.get(issue).put(value,
208 allFrequency.get(issue).get(value) + 1); // リストを更新
209 }
210 }
211
212 // 自身の提案情報の更新
213 public void updateMyBidHistory(Bid offerBid) {
214 MyBidHistory.add(offerBid);
215 MyBidAverage = (MyBidAverage * (MyBidHistory.size() - 1) + utilitySpace
216 .getUtility(offerBid)) / MyBidHistory.size();
217 }
218
219 // round を数える
220 public void countRound() {
221 round++;
222 }
223
224 // sender の NegotiationInfo を更新
225 public void updateNegotiationInfo(Object sender, Bid offeredBid)
226 throws Exception {
227
228 opponentsBidHistory.get(sender).add(offeredBid); // 相手の提案履歴
229
230 double util = utilitySpace.getUtility(offeredBid);
231
232 opponentsSum.put(sender, opponentsSum.get(sender) + util); // 和の更新
233 opponentsPowSum.put(sender,
234 opponentsPowSum.get(sender) + Math.pow(util, 2)); // 二乗和の更新
235
236 int round_num = opponentsBidHistory.get(sender).size();
237 opponentsAverage.put(sender, opponentsSum.get(sender) / round_num); // 平均の更新
238 opponentsVariance.put(sender, (opponentsPowSum.get(sender) / round_num)
239 - Math.pow(opponentsAverage.get(sender), 2)); // 分散の更新
240
241 if (opponentsVariance.get(sender) < 0) {
242 opponentsVariance.put(sender, 0.0);
243 }
244 opponentsStandardDeviation.put(sender,
245 Math.sqrt(opponentsVariance.get(sender))); // 標準偏差の更新
246 }
247
248 /*** 値を返すメソッドたち (return) ***/
249
250 // sender の提案履歴を返す
251 public HashMap<Object, ArrayList<Bid>> getOpponentsBidHistory(Object sender) {
252 return opponentsBidHistory;
253 }
254
255 // 自分の提案の平均を返す
256 public double getMyBidAverage() {
257 return MyBidAverage;
258 }
259
260 // 線形効用空間でない場合
261 public void utilitySpaceTypeisNonLiner() {
262 isLinerUtilitySpace = false;
263 }
264
265 // sender の平均を返す
266 public double getAverage(Object sender) {
267 return opponentsAverage.get(sender);
268 }
269
270 // sender の分散を返す
271 public double getVariancer(Object sender) {
272 return opponentsVariance.get(sender);
273 }
274
275 // sender の標準偏差を返す
276 public double getStandardDeviation(Object sender) {
277 return opponentsStandardDeviation.get(sender);
278 }
279
280 // sender の提案履歴の要素数を返す
281 public int getPartnerBidNum(Object sender) {
282 return opponentsBidHistory.get(sender).size();
283 }
284
285 // 自身のラウンド数を返す
286 public int getRound() {
287 return round;
288 }
289
290 // 交渉者数を返す
291 public int getNegotiatorNum() {
292 return negotiatorNum;
293 }
294
295 // 相対効用行列を返す
296 public HashMap<Issue, HashMap<Value, Double>> getValueRelativeUtility() {
297 return valueRelativeUtility;
298 }
299
300 // 線形効用空間であるかどうかを返す
301 public boolean isLinerUtilitySpace() {
302 return isLinerUtilitySpace;
303 }
304
305 // 論点一覧を返す
306 public List<Issue> getIssues() {
307 return issues;
308 }
309
310 // 論点における取り得る値の一覧を返す
311 public ArrayList<Value> getValues(Issue issue) {
312 ArrayList<Value> values = new ArrayList<Value>();
313 switch (issue.getType()) {
314 case DISCRETE:
315 List<ValueDiscrete> valuesDis = ((IssueDiscrete) issue).getValues();
316 for (Value value : valuesDis) {
317 values.add(value);
318 }
319 break;
320 case INTEGER:
321 int min_value = ((IssueInteger) issue).getUpperBound();
322 int max_value = ((IssueInteger) issue).getUpperBound();
323 for (int j = min_value; j <= max_value; j++) {
324 Object valueObject = new Integer(j);
325 values.add((Value) valueObject);
326 }
327 break;
328 default:
329 try {
330 throw new Exception("issue type " + issue.getType()
331 + " not supported by SYAgent");
332 } catch (Exception e) {
333 System.out.println("論点の取り得る値の取得に失敗しました");
334 e.printStackTrace();
335 }
336 }
337 return values;
338 }
339
340 // 交渉相手の一覧を返す
341 public ArrayList<Object> getOpponents() {
342 return opponents;
343 }
344
345 // 論点の最頻値を返すメソッド
346 public Value getFrequentValue(Issue issue) {
347 Value maxValue = null; // 最頻値
348 int frequency = 0;// 要素の頻度
349 int maxFrequency = 0; // 最頻値の数
350 ArrayList<Value> values = getValues(issue);
351 Collections.shuffle(values);
352
353 for (Value value : values) {
354 frequency = allFrequency.get(issue).get(value);
355 if (maxValue == null || frequency > maxFrequency) {
356 maxFrequency = frequency;
357 maxValue = value;
358 }
359 }
360 return maxValue;
361 }
362
363 // df が 1.0 でないか 1.0 であるかを示す boolean を決定するメソッド
364 public boolean setDfFlag() {
365 if (df == 1.0) {
366 return false;// df == 1.0 (割引なし)
367 } else {
368 return true; // df != 1.0 (割引あり)
369 }
370
371 }
372
373 // rv が 0.0 か否かを示す boolean を決定するメソッド
374 public boolean setRvFlag() {
375 if (rv == 0.0) {
376 return false;// rv == 0.0 (留保価格なし)
377 } else {
378 return true; // rv != 0.0 (留保価格あり)
379 }
380 }
381
382 // sender が accept した Bid の記録を更新
383 public void updateAcceptedBid(AgentID sender, Bid bidFromAction) {
384 opponentsAcceptBid.get(sender).add(bidFromAction);
385 }
386
387}
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