source: src/main/java/agents/anac/y2014/Atlas/Atlas.java@ 340

Last change on this file since 340 was 1, checked in by Wouter Pasman, 6 years ago

Initial import : Genius 9.0.0
File size: 46.9 KB
Line 
1package agents.anac.y2014.Atlas;
2
3import java.io.Serializable;
4import java.util.List;
5import java.util.Random;
6
7import genius.core.Agent;
8import genius.core.Bid;
9import genius.core.NegotiationResult;
10import genius.core.actions.Accept;
11import genius.core.actions.Action;
12import genius.core.actions.ActionWithBid;
13import genius.core.actions.Offer;
14import genius.core.issue.Issue;
15import genius.core.issue.IssueInteger;
16import genius.core.issue.ValueInteger;
17
18//csv�o—Í
19//import java.io.FileWriter;
20//import java.io.BufferedWriter;
21//import java.io.PrintWriter;
22
23public class Atlas extends Agent {
24 private Action actionOfPartner = null;
25
26 // Ž©•ª‚Ì�÷•à�í—ª‚ÉŠÖ‚·‚é•Ï�”
27 private boolean tension = true; // �÷•à‚ÉŠÖ‚µ‚Ä‚ÌŽp�¨�i�‰Šú’l�F‹­‹C�j�i–{“–‚ÍŽã‹C‚Ì‚Ù‚¤‚ª‚¢‚¢‚ª�C�‰Žè‚ªŽã‹C‚¾‚Æ‘ŠŽè‚ÉŠ¨ˆá‚¢‚ð‚³‚¹‚Ä‚µ‚Ü‚¤‚Æ‚¢‚¤ƒ�ƒ^“I‚È�í—ª�j
28 private double border_bid_utility = 1.0; // ‹«ŠE’l
29
30 // ‘ŠŽè‚ÌofferŠÖ˜A‚Ì•Ï�”
31 private Bid best_partner_bid = null; // Œ»�Ý‚ÌŒð�Â’†‚É‚¨‚¯‚é‘ŠŽè‚Ì’ñŽ¦Bid‚Ì’†‚Å�Å‘åŒø—p’l‚Æ‚È‚éBid
32 private Bid prev_partner_bid = null; // ˆê‚‘O‚Ì‘ŠŽè‚Ì’ñŽ¦Bid�i‹ß–T’T�õ‚Å—p‚¢‚é�j
33 private double prev_offeredUtilFromOpponent = 0;
34
35 // ”ñ�펞ŠÖ˜A
36 private boolean attack_flag = false;
37 private double partner_last_bid_time = 0.0;
38 private double partner_prev_last_bid_time = 0.0;
39 private double last_time = 0.99;
40 private double time_scale = 0.01;
41
42 // ”»’èŠÖ˜A‚̃tƒ‰ƒO
43 private boolean first_offer_flag = true;
44 private boolean first_offer_decision_flag = false;
45 private boolean repeat_flag = true;
46
47 // ‰ß‹Ž‚̃ZƒbƒVƒ‡ƒ“ƒf�[ƒ^‚©‚ç’l‚ðŽó‚¯Žæ‚é•Ï�”
48 private boolean last_tension = true;
49 private boolean is_agreement;
50 private Bid last_bid = null;
51 private Bid max_bid = null;
52 private Bid true_best_agreement_bid = null;
53 private Bid false_best_agreement_bid = null;
54 private int true_failure_num = 0;
55 private int false_agreement_num = 0;
56 private double false_agreement_average_utility_with_discount = 0;
57 private double partner_attack_num = 0;
58 private double partner_guard_num = 0;
59 private double last_bid_time = 1.0;
60 private boolean tension_true_seal_flag = false;
61 private double true_repeat_time = 1.0;
62 private double false_repeat_time = 1.0;
63 double false_agreement_best_utility = 0.0;
64
65 // �d‚Ý•t‚«•½‹Ï‚ð‹�‚߂邽‚ß‚É—p‚¢‚é•Ï�”
66 private int partner_bid_count = 0;
67 private double partner_bid_utility_weighted_average = 0;
68
69 // ’è�”
70 private static int NEAR_ITERATION = 100;
71 private static int SA_ITERATION = 10;
72 private static int SAMPLE_NUM = 10;
73 private static int ARRAY_LIM = 1000;
74 private static int ERROR_TIME_SCALE_LIM = 3;
75
76 // // csv�o—Í—p•Ï�”
77 // // Ž©•ª‚Ì’ñŽ¦‚µ‚½Bid‚ÌŒø—p’l
78 // FileWriter fw;
79 // PrintWriter pw_my_u;
80 // // ‘ŠŽè‚Ì’ñŽ¦‚µ‚½Bid‚ÌŒø—p’l
81 // FileWriter fw_p;
82 // PrintWriter pw_pa_u;
83 // // Ž©•ª‚Ì’ñŽ¦‚µ‚½Bid‚Ì‹«ŠE�ü
84 // FileWriter fw_b;
85 // PrintWriter pw_my_b;
86 // //
87 // Ž©•ª‚Ì’ñŽ¦‚µ‚½Bid‚Ì�d‚Ý•t‚«•â�³�Ï‚Ý‹«ŠE�ü
88 // FileWriter fw_b_t;
89 // PrintWriter pw_my_b_t;
90 // // Ž©•ª‚Ì’ñŽ¦‚µ‚½Bid‚Ì•â�³�Ï‚Ý
91 // FileWriter fw_b_c;
92 // PrintWriter pw_my_b_c;
93
94 @Override
95 public void init() {
96 try {
97 initPrevSessionData();
98
99 // �Å�‰‚Ì‚P‰ñ–Ú‚Ì‚Ý�CSA‚É‚æ‚èŒø—p’l‚Ì�Å‘å’l‚ð‹�‚ß‚é
100 if (sessionNr == 0) {
101 Bid check_b;
102 for (int i = 0; i < utilitySpace.getDomain().getIssues().size()
103 * 10; i++) {
104 check_b = getBestBidbySA();
105 if (max_bid == null
106 || utilitySpace.getUtility(check_b) >= utilitySpace
107 .getUtility(max_bid)) {
108 max_bid = new Bid(check_b);
109 }
110 if (utilitySpace.getUtility(max_bid) == 1.0) {
111 break;
112 }
113 }
114 }
115
116 } catch (Exception e1) {
117 // TODO Auto-generated catch block
118 e1.printStackTrace();
119 }
120 }
121
122 @Override
123 public String getVersion() {
124 return "3.1";
125 }
126
127 @Override
128 public String getName() {
129 return "Atlas";
130 }
131
132 @Override
133 public void ReceiveMessage(Action opponentAction) {
134 actionOfPartner = opponentAction;
135 }
136
137 @Override
138 public Action chooseAction() {
139 Action action = null;
140 try {
141 if (actionOfPartner == null)
142 action = chooseBidAction();
143 if (actionOfPartner instanceof Offer) {
144 Bid partnerBid = ((Offer) actionOfPartner).getBid();
145
146 // �d‚Ý•t‚«•½‹Ï‚ð‹�‚ß‚é
147 if (partner_bid_count == 0) {
148 partner_bid_utility_weighted_average = utilitySpace
149 .getUtility(partnerBid);
150 } else {
151 partner_bid_utility_weighted_average = (utilitySpace
152 .getUtility(partnerBid)
153 + partner_bid_utility_weighted_average) / 2;
154 }
155 // ‘ŠŽè‚ÌBid‚µ‚½Žž��‚ð‹L˜^‚µ‚Ä‚¨‚­
156 partner_prev_last_bid_time = partner_last_bid_time;
157 partner_last_bid_time = timeline.getTime();
158 time_scale = (((partner_last_bid_time
159 - partner_prev_last_bid_time)
160 + time_scale * partner_bid_count)
161 / (partner_bid_count + 1));
162 last_time = 1.0 - time_scale * ERROR_TIME_SCALE_LIM;
163 partner_bid_count++;
164
165 // get current time
166 double time = timeline.getTime();
167 double offeredUtilFromOpponent = utilitySpace
168 .getUtility(partnerBid);
169
170 // // //�o—Í—p
171 // pw_pa_u.print(timeline.getTime());
172 // pw_pa_u.print(",");
173 // pw_pa_u.print(offeredUtilFromOpponent);
174 // pw_pa_u.print(",");
175 // pw_pa_u.println();
176
177 action = chooseBidAction();
178
179 prev_partner_bid = new Bid(partnerBid);
180 if (best_partner_bid == null) {
181 best_partner_bid = new Bid(partnerBid);
182 } else if (utilitySpace.getUtility(partnerBid) > utilitySpace
183 .getUtility(best_partner_bid)) {
184 best_partner_bid = new Bid(partnerBid);
185 }
186
187 Bid myBid = ((Offer) action).getBid();
188 double myOfferedUtil = utilitySpace.getUtility(myBid);
189 // accept under certain circumstances
190 if (isAcceptable(partnerBid, offeredUtilFromOpponent,
191 myOfferedUtil, time))
192 action = new Accept(getAgentID(), partnerBid);
193 }
194 // if (timeline.getType().equals(Timeline.Type.Time)) {
195 // sleep(0.005); // just for fun
196 // }
197 } catch (Exception e) {
198 System.out.println("Exception in ChooseAction:" + e.getMessage());
199 action = new Accept(getAgentID(),
200 ((ActionWithBid) actionOfPartner).getBid()); // best
201 // guess
202 // if
203 // things
204 // go
205 // wrong.
206 }
207 return action;
208 }
209
210 private boolean isAcceptable(Bid partnerBid, double offeredUtilFromOpponent,
211 double myOfferedUtil, double time) throws Exception {
212 // ‘ŠŽè‚ÌŒø—p’l
213 double P = offeredUtilFromOpponent;
214 prev_offeredUtilFromOpponent = offeredUtilFromOpponent;
215
216 // ‹«ŠE’l‚Ì�X�V
217 getBorderUtility();
218
219 if (P >= border_bid_utility
220 && P >= utilitySpace.getUtility(best_partner_bid)) {
221 return true;
222 }
223
224 // ‘¦Œˆ”»’è
225 if (!tension && false_best_agreement_bid != null
226 && P >= utilitySpace.getUtility(false_best_agreement_bid)) {
227 // ‚±‚Ì‚Ü‚ÜŒð�‚𑱂¯‚½�ê�‡
228 double parameter = partner_guard_num + partner_attack_num;
229 // —˜“¾(‘ŠŽè‚ªŽã‹C‚ÌŽž)
230 double get_point = utilitySpace.getDiscountFactor()
231 - utilitySpace.getUtility(false_best_agreement_bid);
232 // ‘¹Ž¸(‘ŠŽè‚ª‹­‹C‚ÌŽž)
233 double lost_point = false_agreement_average_utility_with_discount
234 - utilitySpace.getUtility(false_best_agreement_bid);
235
236 // Šú‘Ò’l(‘ŠŽè‚ÌŽp�¨‚Í‹­‹CorŽã‹C‚Å‚»‚ꂼ‚ê‚ÌŠm—¦‚͉ߋŽ‚ÌŒð�‚ðŽQ�Æ‚·‚é)
237 double mean_point = get_point
238 * ((partner_guard_num + 0.5) / (parameter + 1))
239 + lost_point
240 * ((partner_attack_num + 0.5) / (parameter + 1));
241
242 if (mean_point < 0) {
243 // first_offer_decision_flag = true;
244 return true;
245 }
246 }
247
248 // ”ñ�í—p
249 if (!tension && timeline.getTime() > (last_time - time_scale * 0)
250 && P > utilitySpace.getReservationValue()) {
251 attack_flag = true;
252 return true;
253 }
254
255 return false;
256 }
257
258 private Action chooseBidAction() {
259 Bid nextBid = null;
260 try {
261 // ‘¦Œˆ”»’èŠÖ˜A‚̃tƒ‰ƒOŠÇ—�
262 first_offer_decision_flag = false;
263
264 nextBid = getBid();
265
266 first_offer_flag = false;
267 } catch (Exception e) {
268 System.out.println("Problem with received bid:" + e.getMessage()
269 + ". cancelling bidding");
270 }
271 if (nextBid == null)
272 return (new Accept(getAgentID(),
273 ((ActionWithBid) actionOfPartner).getBid()));
274 return (new Offer(getAgentID(), nextBid));
275 }
276
277 private Bid getBid() throws Exception {
278 // ”ñ�í—p
279 if (!tension) {
280 // Žã‹C‚Ì‚Æ‚«�C‘ŠŽè‚Ì�¡‚Ü‚Å‚ÌŒð�‚ÌBid‚ðŒð�Â�I—¹�¡‘O‚Å’ñŽ¦‚·‚é
281 if (timeline.getTime() > (last_time - time_scale * 2)
282 && best_partner_bid != null
283 && false_best_agreement_bid != null) {
284 attack_flag = true;
285 // �¬‚³‚¢•û
286 if (timeline.getTime() > (last_time - time_scale * 1)) {
287 if (utilitySpace
288 .getUtility(false_best_agreement_bid) < utilitySpace
289 .getUtility(best_partner_bid)) {
290 if (utilitySpace.getUtility(
291 false_best_agreement_bid) > utilitySpace
292 .getReservationValue()) {
293 return false_best_agreement_bid;
294 }
295 } else {
296 if (utilitySpace
297 .getUtility(best_partner_bid) > utilitySpace
298 .getReservationValue()) {
299 return best_partner_bid;
300 }
301 }
302 }
303 // ‘å‚«‚¢•û
304 if (utilitySpace
305 .getUtility(false_best_agreement_bid) > utilitySpace
306 .getUtility(best_partner_bid)) {
307 if (utilitySpace
308 .getUtility(false_best_agreement_bid) > utilitySpace
309 .getReservationValue()) {
310 return false_best_agreement_bid;
311 }
312 } else {
313 if (utilitySpace.getUtility(best_partner_bid) > utilitySpace
314 .getReservationValue()) {
315 return best_partner_bid;
316 }
317 }
318 }
319
320 if (timeline.getTime() > (last_time - time_scale * 1) && !tension
321 && false_best_agreement_bid == null
322 && best_partner_bid != null
323 && utilitySpace.getUtility(best_partner_bid) > utilitySpace
324 .getReservationValue()) {
325 attack_flag = true;
326 return best_partner_bid;
327 }
328 if (timeline.getTime() > (last_time - time_scale * 1) && !tension
329 && best_partner_bid == null
330 && false_best_agreement_bid != null
331 && utilitySpace
332 .getUtility(false_best_agreement_bid) > utilitySpace
333 .getReservationValue()) {
334 attack_flag = true;
335 return false_best_agreement_bid;
336 }
337 }
338
339 // ‹«ŠE’l‚Ì�X�V
340 getBorderUtility();
341
342 // csv�o—Í—p
343 // pw_my_b_c.print(timeline.getTime());
344 // pw_my_b_c.print(",");
345 // pw_my_b_c.print(border_bid_utility);
346 // pw_my_b_c.print(",");
347 // pw_my_b_c.println();
348
349 Bid bid = null;
350 Bid check_bid = null;
351
352 // ‹ß–T’T�õ(’¼‘O‚Ì‘ŠŽè‚Ì’ñŽ¦Bid‚ðŠî�€)
353 if (prev_partner_bid != null || last_bid != null) {
354 if (prev_partner_bid != null) {
355 bid = new Bid(prev_partner_bid);
356 } else {
357 bid = new Bid(last_bid);
358 }
359 // Žp�¨‚Å’T�õ•û–@‚ð•Ï�X
360 try {
361 for (int i = 0; i < NEAR_ITERATION; i++) {
362 if (tension) {
363 // ‹­‹C
364 bid = getBestBidbyNear(bid);
365
366 if (utilitySpace.getUtility(bid) > border_bid_utility) {
367 break;
368 }
369 } else {
370 // Žã‹C
371 bid = getBetterBidbyNear(bid);
372 }
373 }
374 } catch (Exception e) {
375 System.out.println("Problem with received bid(Near:last):"
376 + e.getMessage() + ". cancelling bidding");
377 }
378 }
379
380 // ‹ß–T’T�õ‚ÌŒ‹‰Ê�C–ž‘«‚Ì‚¢‚­Bid‚𓾂ç‚ê‚È‚©‚Á‚½�ê�‡�CSA‚ÅBid‚ð’T�õ
381 if (bid == null || utilitySpace.getUtility(bid) < border_bid_utility
382 || (tension && utilitySpace.getUtility(bid) < utilitySpace
383 .getUtility(max_bid))) {
384 try {
385 for (int i = 0; i < SA_ITERATION; i++) {
386 if (tension) {
387 // ‹­‹C
388 check_bid = getBestBidbySA();
389 if (bid == null || utilitySpace.getUtility(
390 check_bid) > utilitySpace.getUtility(bid)) {
391 bid = new Bid(check_bid);
392 }
393
394 if (utilitySpace.getUtility(bid) == 1.0) {
395 break;
396 }
397 } else {
398 // Žã‹C
399 check_bid = getBetterBidbySA();
400 if (bid == null || (utilitySpace
401 .getUtility(bid) < border_bid_utility
402 || (utilitySpace
403 .getUtility(check_bid) < utilitySpace
404 .getUtility(bid))
405 && utilitySpace.getUtility(
406 check_bid) > border_bid_utility)) {
407 bid = new Bid(check_bid);
408 }
409 }
410 }
411 } catch (Exception e) {
412 System.out.println("Problem with received bid(SA):"
413 + e.getMessage() + ". cancelling bidding");
414 }
415 }
416
417 // �Å‘åBid‚Ì�X�V
418 if (bid != null && utilitySpace.getUtility(max_bid) <= utilitySpace
419 .getUtility(bid)) {
420 max_bid = new Bid(bid);
421 }
422
423 // “¾‚ç‚ꂽBid‚ª‹«ŠE’l‚æ‚è‚à�¬‚³‚¢�ê�‡�C�Å‘åŒø—p’l‚Æ‚È‚éBid‚ð’ñŽ¦‚·‚é
424 if (bid == null || utilitySpace.getUtility(bid) < border_bid_utility
425 || (tension && utilitySpace.getUtility(bid) < utilitySpace
426 .getUtility(max_bid))) {
427 bid = new Bid(max_bid);
428 }
429
430 // ‘¦Œˆ”»’è
431 if (!tension && first_offer_flag && false_best_agreement_bid != null) {
432 // ‚±‚Ì‚Ü‚ÜŒð�‚𑱂¯‚½�ê�‡
433 double parameter = partner_guard_num + partner_attack_num;
434
435 // —˜“¾(‘ŠŽè‚ªŽã‹C‚ÌŽž)
436 double get_point = utilitySpace.getDiscountFactor()
437 - utilitySpace.getUtility(false_best_agreement_bid);
438 // ‘¹Ž¸(‘ŠŽè‚ª‹­‹C‚ÌŽž)
439 double lost_point = false_agreement_average_utility_with_discount
440 - utilitySpace.getUtility(false_best_agreement_bid);
441
442 // Šú‘Ò’l(‘ŠŽè‚ÌŽp�¨‚Í‹­‹CorŽã‹C‚Å‚»‚ꂼ‚ê‚ÌŠm—¦‚͉ߋŽ‚ÌŒð�‚ðŽQ�Æ‚·‚é)
443 double mean_point = get_point
444 * ((partner_guard_num + 0.5) / (parameter + 1))
445 + lost_point
446 * ((partner_attack_num + 0.5) / (parameter + 1));
447
448 if (mean_point < 0) {
449 first_offer_decision_flag = true;
450 return false_best_agreement_bid;
451 }
452 }
453
454 if (last_bid != null) {
455 // ‹­‹C‚̘A�Ÿ”»’è
456 if (true_best_agreement_bid != null && tension
457 && first_offer_flag) {
458 return true_best_agreement_bid;
459 }
460 // �ÄŒ»”»’è
461 if (repeat_flag && utilitySpace.getDiscountFactor() < 1.0) {
462 // ‹­‹C‚Ì�ÄŒ»”»’è
463 if (tension && true_best_agreement_bid != null
464 && true_repeat_time <= timeline.getTime()) {
465 repeat_flag = false;
466 return true_best_agreement_bid;
467 }
468
469 // Žã‹C‚Ì�ÄŒ»”»’è
470 if (!tension && false_best_agreement_bid != null
471 && false_repeat_time <= timeline.getTime()) {
472 repeat_flag = false;
473 return false_best_agreement_bid;
474 }
475 }
476 }
477
478 // //csv�o—Í—p
479 // pw_my_u.print(timeline.getTime());
480 // pw_my_u.print(",");
481 // pw_my_u.print(utilitySpace.getUtility(bid));
482 // pw_my_u.print(",");
483 // pw_my_u.println();
484
485 return bid;
486 }
487
488 // ‹«ŠE’l‚ð�X�V‚·‚éŠÖ�”
489 private void getBorderUtility() throws Exception {
490 double compensate = 0; // ‹«ŠE’l•â�³—p‚Ì•Ï�”
491 double time_compensate = 0; // ŽžŠÔ‚É‚æ‚é‹«ŠE’l•â�³—p‚Ì•Ï�”
492 // ‹«ŠE’l‚Ì�X�V
493 border_bid_utility = timeline.getTime()
494 * (1.0 - utilitySpace.getDiscountFactor())
495 + utilitySpace.getDiscountFactor();
496
497 // Discount‚ª�‚‚¢‚Æ‚«‚É�÷•à‚µ‚·‚¬‚邱‚Æ‚ð–h‚®‚½‚ß‚É�CŠeŽp�¨‚Ì1�í–Ú‚ÍŠî–{‹«ŠE’l‚ð‚Æ‚ç‚È‚¢‚悤‚É‚·‚é
498 if ((tension && true_failure_num == 0)
499 || (!tension && false_agreement_num == 0)) {
500 border_bid_utility = 1.0;
501 }
502
503 // //csv�o—Í—p
504 // pw_my_b.print(timeline.getTime());
505 // pw_my_b.print(",");
506 // pw_my_b.print(border_bid_utility);
507 // pw_my_b.print(",");
508 // pw_my_b.println();
509
510 if (tension) {
511 // ‚à‚µ�C‹«ŠE�ü‚ª�Å—Ç’ñŽ¦Bid‚ÌŒø—p’l‚æ‚è’á‚¢Žž�C‹«ŠE’l‚ð‚»‚ÌŒø—p’l‚É‚·‚é
512 if (true_best_agreement_bid != null
513 && border_bid_utility < utilitySpace
514 .getUtility(true_best_agreement_bid)) {
515 border_bid_utility = utilitySpace
516 .getUtility(true_best_agreement_bid);
517 }
518 } else {
519 // Žã‹C‚Ì�ê�‡
520 // �d‚Ý•t‚«•½‹Ï‚ð—˜—p‚µ‚½•â�³‚ð“K—p
521 // SAMPLE_NUM(“_)ƒTƒ“ƒvƒ‹�W‚Ü‚Á‚Ä‚¢‚é�ê�‡�C–â‘è‹óŠÔ‚É‚æ‚Á‚Ä‹«ŠE’l‚ðŠÉ˜a‚ð�l‚¦‚é
522 if (SAMPLE_NUM < partner_bid_count) {
523 compensate = (prev_offeredUtilFromOpponent
524 - partner_bid_utility_weighted_average)
525 * prev_offeredUtilFromOpponent
526 * (1.0 - utilitySpace.getReservationValue());
527
528 // ŽžŠÔŒo‰ß‚Æ‘ŠŽè‚Ì�Å—ÇBid‚É‚æ‚é�÷•à‚ð—˜—p‚µ‚½•â�³‚ð“K—p
529 if (best_partner_bid != null) {
530 time_compensate = timeline.getTime()
531 * (border_bid_utility
532 - utilitySpace.getUtility(best_partner_bid))
533 * utilitySpace.getUtility(best_partner_bid)
534 * (1.0 - utilitySpace.getReservationValue());
535
536 if (time_compensate < 0) {
537 time_compensate = 0;
538 }
539 }
540
541 if (compensate * (1.0 + time_compensate) > time_compensate
542 && false_agreement_num > 0) {
543 border_bid_utility = border_bid_utility
544 - compensate * (1.0 + time_compensate);
545 } else {
546 border_bid_utility = border_bid_utility - time_compensate;
547 }
548
549 if (timeline.getTime() > 0.90) {
550 border_bid_utility = border_bid_utility
551 - 10 * (timeline.getTime() - 0.90)
552 * (border_bid_utility - utilitySpace
553 .getUtility(best_partner_bid));
554 }
555 }
556 }
557
558 // ‚à‚µ�C‹«ŠE�ü‚ª�Å—Ç’ñŽ¦Bid‚ÌŒø—p’l‚æ‚è’á‚¢Žž�C‹«ŠE’l‚ð‚»‚ÌŒø—p’l‚É‚·‚é
559 if (false_best_agreement_bid != null
560 && border_bid_utility < utilitySpace
561 .getUtility(false_best_agreement_bid)) {
562 border_bid_utility = utilitySpace
563 .getUtility(false_best_agreement_bid);
564 }
565
566 // ‚à‚µ�C‹«ŠE�ü‚ªŒ»�Ý‚ÌŒð�‚Ì�Å—Ç’ñŽ¦Bid‚ÌŒø—p’l‚æ‚è’á‚¢Žž�C‹«ŠE’l‚ð‚»‚ÌŒø—p’l‚É‚·‚é
567 if (best_partner_bid != null && border_bid_utility < utilitySpace
568 .getUtility(best_partner_bid)) {
569 border_bid_utility = utilitySpace.getUtility(best_partner_bid);
570 }
571
572 // ReservationValue‚Ì•û‚ª‹«ŠE’l‚æ‚è‘å‚«‚­‚Ȃ鎞(•ÛŒ¯—p)
573 if (border_bid_utility < utilitySpace.getReservationValue()) {
574 border_bid_utility = utilitySpace.getReservationValue();
575 }
576
577 // //csv�o—Í—p
578 // pw_my_b_t.print(timeline.getTime());
579 // pw_my_b_t.print(",");
580 // pw_my_b_t.print(border_bid_utility);
581 // pw_my_b_t.print(",");
582 // pw_my_b_t.println();
583 }
584
585 // SA(�Å‘åŒø—p’lBid)
586 private Bid getBestBidbySA() throws Exception {
587 // SA‚É‚æ‚é’T�õ‚ð�s‚¢�CBid‚ð•Ô‚·
588 Bid current_b, next_b, bid = null; // Œ»�Ý‚ÌBid‚Æ�Å“KBid‚Æ‹ß–T‚ÌBid�CŽã‹C‚Ì‚Æ‚«‚Ì‚½‚ß‚ÌBid�C•Ô‹p—p‚ÌBid
589 double current_u, best_u, next_u; // Œ»�Ý‚ÌBid‚ÌŒø—p’l‚Æ�Å“KBid‚ÌŒø—p’l‚Æ‹ß–T‚ÌBid‚ÌŒø—p’l
590 int next_v; // ‹ß–T‚ÌBid‚Ì•Ï�XŒã‚Ìvalue‚Ì’l
591 double temperature; // ‰·“x
592 double cool = 0.99; // —â‹p“x
593 double p; // ‘JˆÚŠm—¦
594 double diff; // Œ»�Ý‚ÌBid‚Æ‹ß–T‚ÌBid‚ÌŒø—p’l‚Ì�·
595 Random randomnr = new Random(); // —��”
596 int step = 1;// •Ï�X‚·‚é•�
597 int step_num = 1; // •Ï�X‚·‚é‰ñ�”
598 int flag; // step‚Ì•„�†
599
600 Bid best[];
601 best = new Bid[ARRAY_LIM];
602 int random_count = 0; // “¯‚¶Œø—p’l‚ðŽ�‚Â�Å‘å’l‚ÌBid‚ÌŒÂ�”
603
604 // �‰Šú‰ð‚Ì�¶�¬
605 if (prev_partner_bid == null) {
606 current_b = utilitySpace.getDomain().getRandomBid(null);
607 } else {
608 current_b = new Bid(prev_partner_bid);
609 }
610
611 do {
612 current_u = utilitySpace.getUtility(current_b);
613
614 // �Å“K‰ð‚Ì�‰Šú‰»
615 best[0] = new Bid(current_b);
616 best_u = current_u;
617 // ƒJƒEƒ“ƒ^‚̃ŠƒZƒbƒg
618 random_count = 0;
619
620 temperature = 1000000; // ŠJŽn‰·“x‚̃Zƒbƒg
621
622 // ‰·“x‚ª�\•ª‰º‚ª‚é‚©�C–Ú“I‚̃†�[ƒeƒBƒŠƒeƒB‚ðŽæ“¾‚Å‚«‚é‚܂Ń‹�[ƒv
623 while (temperature > 0.0001) {
624 next_b = new Bid(current_b); // next_b‚ð�‰Šú‰»
625 List<Issue> issues = utilitySpace.getDomain().getIssues(); // ‘Sissue‚̎擾
626
627 // ‹ß–T‚ÌBid‚ðŽæ“¾‚·‚é
628 for (int i = 0; i < step_num; i++) {
629 int issueIndex = randomnr.nextInt(issues.size()); // issue‚͈͓̔à‚Åindex‚ðƒ‰ƒ“ƒ_ƒ€‚ÉŽw’è
630 IssueInteger lIssueInteger = (IssueInteger) issues
631 .get(issueIndex); // Žw’肵‚½index‚Ìissue
632 int issueNumber = lIssueInteger.getNumber(); // issue”Ô�†
633 int max = lIssueInteger.getUpperBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å‘å’l
634 int min = lIssueInteger.getLowerBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å�¬’l
635 ValueInteger issueValue = (ValueInteger) next_b
636 .getValue(issueNumber); // ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue
637 int issueValueInt = Integer.valueOf(issueValue.toString())
638 .intValue(); // ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue(integer)
639
640 // velue‚Ì�ãŒÀ‚ƉºŒÀ‚ð�l‚¦‚ĕψÊ�istep�j‚Ì•„�†(flag)‚ð�Ý’è‚·‚é
641 if (issueValueInt + step > max) {
642 flag = -1;
643 } else if (issueValueInt - step < min) {
644 flag = 1;
645 } else if (randomnr.nextInt(2) == 0) {
646 flag = 1;
647 } else {
648 flag = -1;
649 }
650
651 next_v = issueValueInt + flag * step; // •Ï�XŒã‚Ìvalue‚ðŒvŽZ‚·‚é
652 next_b = next_b.putValue(issueNumber,
653 new ValueInteger(next_v)); // ‹ß–T‚ÌBid‚ð‹�‚ß‚é
654 }
655
656 next_u = utilitySpace.getUtility(next_b); // ‹ß–T‚ÌBid‚ÌŒø—p’l‚ð‹�‚ß‚é
657 diff = current_u - next_u; // ‘JˆÚŠm—¦‚ð‹�‚ß‚é
658
659 if (diff > 0.0) {
660 p = Math.exp(-diff / temperature); // Œ»�Ý‚ÌŒø—p’l‚Ì•û‚ª�‚‚¢�ê�‡
661 } else {
662 p = 1.0; // ‹ß–T‚ÌŒø—p’l‚Ì•û‚ª�‚‚¢�ê�‡
663 }
664
665 if (p > randomnr.nextDouble()) {
666 current_b = new Bid(next_b); // Bid‚Ì�X�V
667 current_u = next_u; // Utility‚Ì�X�V
668 }
669
670 // �Å“K‰ð‚Ì�X�V
671 if (next_u > best_u) {
672 random_count = 0;
673 best[random_count] = new Bid(next_b);
674 best_u = next_u;
675 // ƒJƒEƒ“ƒ^‚̃ŠƒZƒbƒg
676 random_count++;
677 }
678
679 // “¯‚¶Œø—p’l‚ðŽ�‚ÂBid‚ð‹L‰¯‚µ‚Ä‚¨‚­
680 if (next_u == best_u) {
681 best[random_count % ARRAY_LIM] = new Bid(next_b);
682 random_count++;
683 }
684 // ‰·“x‚ð‰º‚°‚é
685 temperature = temperature * cool;
686 }
687
688 // Œø—p’l‚ª�Å‘å‚Æ‚È‚éBid‚ð•Ô‚·
689 if (bid == null || best_u > utilitySpace.getUtility(bid)) {
690 if (random_count > ARRAY_LIM) {
691 bid = new Bid(best[randomnr.nextInt(ARRAY_LIM)]);
692 } else {
693 bid = new Bid(best[randomnr.nextInt(random_count)]);
694 }
695 }
696 } while (utilitySpace.getUtility(bid) < utilitySpace
697 .getReservationValue());
698
699 return bid;
700 }
701
702 // SA(‹«ŠE’l•t‹ß‚ÌBid)
703 private Bid getBetterBidbySA() throws Exception {
704 // SA‚É‚æ‚é’T�õ‚ð�s‚¢�CBid‚ð•Ô‚·
705 Bid current_b, best_b, next_b, better_b = null, bid = null; // Œ»�Ý‚ÌBid‚Æ�Å“KBid‚Æ‹ß–T‚ÌBid�CŽã‹C‚Ì‚Æ‚«‚Ì‚½‚ß‚ÌBid�C•Ô‹p—p‚ÌBid
706 double current_u, best_u, next_u, better_u = 0; // Œ»�Ý‚ÌBid‚ÌŒø—p’l‚Æ�Å“KBid‚ÌŒø—p’l‚Æ‹ß–T‚ÌBid‚ÌŒø—p’l
707 int next_v; // ‹ß–T‚ÌBid‚Ì•Ï�XŒã‚Ìvalue‚Ì’l
708 double temperature; // ‰·“x
709 double cool = 0.99; // —â‹p“x
710 double p; // ‘JˆÚŠm—¦
711 double diff; // Œ»�Ý‚ÌBid‚Æ‹ß–T‚ÌBid‚ÌŒø—p’l‚Ì�·
712 Random randomnr = new Random(); // —��”
713 int step = 1;// •Ï�X‚·‚é•�
714 int step_num = 1; // •Ï�X‚·‚é‰ñ�”
715 int flag; // step‚Ì•„�†
716
717 Bid better[];
718 better = new Bid[ARRAY_LIM];
719 int random_count = 0; // “¯‚¶Œø—p’l‚ðŽ�‚‹«ŠE’l•t‹ß‚ÌBid‚ÌŒÂ�”
720
721 // �‰Šú‰ð‚Ì�¶�¬
722 if (prev_partner_bid == null) {
723 current_b = utilitySpace.getDomain().getRandomBid(null);
724 } else {
725 current_b = new Bid(prev_partner_bid);
726 }
727
728 do {
729 current_u = utilitySpace.getUtility(current_b);
730
731 // �Å“K‰ð‚Ì�‰Šú‰»
732 best_b = new Bid(current_b);
733 best_u = current_u;
734
735 // ‹«ŠE’l•t‹ß‚ÌBid‚Ì�‰Šú‰»
736 better_b = null;
737 better_u = 0;
738
739 temperature = 1000000; // ŠJŽn‰·“x‚̃Zƒbƒg
740
741 // ‰·“x‚ª�\•ª‰º‚ª‚é‚©�C–Ú“I‚̃†�[ƒeƒBƒŠƒeƒB‚ðŽæ“¾‚Å‚«‚é‚܂Ń‹�[ƒv
742 while (temperature > 0.0001) {
743 next_b = new Bid(current_b); // next_b‚ð�‰Šú‰»
744 List<Issue> issues = utilitySpace.getDomain().getIssues(); // ‘Sissue‚̎擾
745
746 // ‹ß–T‚ÌBid‚ðŽæ“¾‚·‚é
747 for (int i = 0; i < step_num; i++) {
748 int issueIndex = randomnr.nextInt(issues.size()); // issue‚͈͓̔à‚Åindex‚ðƒ‰ƒ“ƒ_ƒ€‚ÉŽw’è
749 IssueInteger lIssueInteger = (IssueInteger) issues
750 .get(issueIndex); // Žw’肵‚½index‚Ìissue
751 int issueNumber = lIssueInteger.getNumber(); // issue”Ô�†
752 int max = lIssueInteger.getUpperBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å‘å’l
753 int min = lIssueInteger.getLowerBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å�¬’l
754 ValueInteger issueValue = (ValueInteger) next_b
755 .getValue(issueNumber); // ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue
756 int issueValueInt = Integer.valueOf(issueValue.toString())
757 .intValue(); // ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue(integer)
758
759 // velue‚Ì�ãŒÀ‚ƉºŒÀ‚ð�l‚¦‚ĕψÊ�istep�j‚Ì•„�†(flag)‚ð�Ý’è‚·‚é
760 if (issueValueInt + step > max) {
761 flag = -1;
762 } else if (issueValueInt - step < min) {
763 flag = 1;
764 } else if (randomnr.nextInt(2) == 0) {
765 flag = 1;
766 } else {
767 flag = -1;
768 }
769
770 next_v = issueValueInt + flag * step; // •Ï�XŒã‚Ìvalue‚ðŒvŽZ‚·‚é
771 next_b = next_b.putValue(issueNumber,
772 new ValueInteger(next_v)); // ‹ß–T‚ÌBid‚ð‹�‚ß‚é
773 }
774
775 next_u = utilitySpace.getUtility(next_b); // ‹ß–T‚ÌBid‚ÌŒø—p’l‚ð‹�‚ß‚é
776 diff = current_u - next_u; // ‘JˆÚŠm—¦‚ð‹�‚ß‚é
777
778 if (diff > 0.0) {
779 p = Math.exp(-diff / temperature); // Œ»�Ý‚ÌŒø—p’l‚Ì•û‚ª�‚‚¢�ê�‡
780 } else {
781 p = 1.0; // ‹ß–T‚ÌŒø—p’l‚Ì•û‚ª�‚‚¢�ê�‡
782 }
783
784 if (p > randomnr.nextDouble()) {
785 current_b = new Bid(next_b); // Bid‚Ì�X�V
786 current_u = next_u; // Utility‚Ì�X�V
787 }
788
789 // �Å“K‰ð‚Ì�X�V
790 if (next_u > best_u) {
791 best_b = new Bid(next_b);
792 best_u = next_u;
793 }
794
795 // ‹«ŠE’l•t‹ß‚Ì’l‚ð•Ô‚·‚½‚ß‚É‹L‰¯‚·‚é
796 // �‰Šú‰»
797 if (better_b == null && best_u > border_bid_utility) {
798 better_b = new Bid(best_b);
799 better_u = best_u;
800 random_count = 0;
801 better[random_count] = new Bid(next_b);
802 // ƒJƒEƒ“ƒ^‚ðƒZƒbƒg
803 random_count++;
804 }
805 // �X�V
806 if (next_u < better_u && next_u > border_bid_utility) {
807 better_b = new Bid(next_b);
808 better_u = next_u;
809 random_count = 0;
810
811 better[random_count] = new Bid(next_b);
812 // ƒJƒEƒ“ƒ^‚ðƒZƒbƒg
813 random_count++;
814 }
815
816 // “¯‚¶Œø—p’l‚ðŽ�‚ÂBid‚ð‹L‰¯‚µ‚Ä‚¨‚­
817 if (next_u == better_u) {
818 better[random_count % ARRAY_LIM] = new Bid(next_b);
819 random_count++;
820 }
821
822 // ‰·“x‚ð‰º‚°‚é
823 temperature = temperature * cool;
824 }
825
826 if (better_b != null) {
827 // Œø—p’l‚ª‹«ŠE’l•t‹ß‚Æ‚È‚éBid‚ð•Ô‚·
828 if (bid == null || better_u < utilitySpace.getUtility(bid)) {
829 if (random_count > ARRAY_LIM) {
830 bid = new Bid(better[randomnr.nextInt(ARRAY_LIM)]);
831 } else {
832 bid = new Bid(better[randomnr.nextInt(random_count)]);
833 }
834 }
835 } else {
836 // ‹«ŠE’l‚æ‚è‘å‚«‚ÈŒø—p’l‚ðŽ�‚ÂBid‚ªŒ©‚‚©‚ç‚È‚©‚Á‚½‚Æ‚«‚Í�CŒø—p’l‚ª�Å‘å‚Æ‚È‚éBid‚ð•Ô‚·
837 if (bid == null) {
838 bid = new Bid(best_b);
839 }
840 }
841 } while (utilitySpace.getUtility(bid) < utilitySpace
842 .getReservationValue());
843
844 return bid;
845 }
846
847 // ‹ß–T’T�õ(�Å‘åŒø—p’lBid)
848 private Bid getBestBidbyNear(Bid baseBid) throws Exception {
849 Bid current_b = new Bid(baseBid); // Œ»�Ý‚ÌBid
850 double current_u = utilitySpace.getUtility(baseBid); // Œ»�Ý‚ÌBid‚ÌŒø—p’l
851
852 Bid best_b = new Bid(baseBid); // �œKBid
853 double best_u = current_u; // �Å“KBid‚ÌŒø—p’l
854
855 Random randomnr = new Random(); // —��”
856 Bid best[];
857 best = new Bid[ARRAY_LIM];
858 int random_count = 0; // “¯‚¶Œø—p’l‚ðŽ�‚Â�Å‘å’l‚ÌBid‚ÌŒÂ�”
859
860 List<Issue> issues = utilitySpace.getDomain().getIssues(); // ‘Sissue‚̎擾
861
862 int lim = issues.size();
863
864 for (int i = 0; i < lim; i++) {
865 IssueInteger lIssueInteger = (IssueInteger) issues.get(i); // Žw’肵‚½index‚Ìissue
866 int issueNumber = lIssueInteger.getNumber(); // issue”Ô�†
867 int max = lIssueInteger.getUpperBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å‘å’l
868 int min = lIssueInteger.getLowerBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å�¬’l
869
870 for (int j = min; j <= max; j++) {
871 current_b = current_b.putValue(issueNumber,
872 new ValueInteger(j)); // ‹ß–T‚ÌBid‚ð‹�‚ß‚é
873 current_u = utilitySpace.getUtility(current_b);
874
875 // �Å‘åŒø—p’l‚Æ‚È‚éBid‚ð•Û‘¶
876 if (current_u > best_u) {
877 best_b = new Bid(current_b);
878 best_u = utilitySpace.getUtility(current_b);
879 random_count = 0;
880 best[random_count] = new Bid(current_b);
881 // ƒJƒEƒ“ƒ^‚̃ŠƒZƒbƒg
882 random_count++;
883 }
884
885 // “¯‚¶Œø—p’l‚ðŽ�‚ÂBid‚ð‹L‰¯‚µ‚Ä‚¨‚­
886 if (current_u == best_u) {
887 best[random_count % ARRAY_LIM] = new Bid(current_b);
888 random_count++;
889 }
890
891 current_b = new Bid(baseBid);
892 }
893 }
894
895 // Œø—p’l‚ª�Å‘å‚Æ‚È‚éBid‚ð•Ô‚·
896 if (random_count > ARRAY_LIM) {
897 best_b = new Bid(best[randomnr.nextInt(ARRAY_LIM)]);
898 } else {
899 best_b = new Bid(best[randomnr.nextInt(random_count)]);
900 }
901
902 return best_b;
903 }
904
905 // ‹ß–T’T�õ(‹«ŠE’l•t‹ß‚ÌBid)
906 private Bid getBetterBidbyNear(Bid baseBid) throws Exception {
907 Bid current_b = new Bid(baseBid); // Œ»�Ý‚ÌBid
908 double current_u = utilitySpace.getUtility(baseBid); // Œ»�Ý‚ÌBid‚ÌŒø—p’l
909
910 Bid best_b = new Bid(baseBid); // �œKBid
911 double best_u = current_u; // �Å“KBid‚ÌŒø—p’l
912
913 Bid better_b = null; // ‹«ŠE’l•t‹ß‚ÌŒø—p’l‚ðŽ�‚ÂBid
914 double better_u = 0; // ‹«ŠE’l•t‹ß‚ÌŒø—p’l‚ðŽ�‚ÂBid‚ÌŒø—p’l
915
916 Random randomnr = new Random(); // —��”
917 Bid better[];
918 better = new Bid[ARRAY_LIM];
919 int random_count = 0; // “¯‚¶Œø—p’l‚ðŽ�‚‹«ŠE’l•t‹ß‚ÌBid‚ÌŒÂ�”
920
921 List<Issue> issues = utilitySpace.getDomain().getIssues(); // ‘Sissue‚̎擾
922
923 int lim = issues.size();
924
925 for (int i = 0; i < lim; i++) {
926 IssueInteger lIssueInteger = (IssueInteger) issues.get(i); // Žw’肵‚½index‚Ìissue
927 int issueNumber = lIssueInteger.getNumber(); // issue”Ô�†
928 int max = lIssueInteger.getUpperBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å‘å’l
929 int min = lIssueInteger.getLowerBound();// ‘I‚ñ‚¾issue‚ɑΉž‚·‚évalue‚Ì�Å�¬’l
930
931 for (int j = min; j <= max; j++) {
932 current_b = current_b.putValue(issueNumber,
933 new ValueInteger(j)); // ‹ß–T‚ÌBid‚ð‹�‚ß‚é
934 current_u = utilitySpace.getUtility(current_b);
935
936 // �Å‘åŒø—p’l‚Æ‚È‚éBid‚ð•Û‘¶
937 if (current_u > best_u) {
938 best_b = new Bid(current_b);
939 best_u = utilitySpace.getUtility(current_b);
940 }
941
942 // ‹«ŠE’l•t‹ß‚Ì’l‚ð•Ô‚·‚½‚ß‚É‹L‰¯‚·‚é
943 // �‰Šú‰»
944 if (better_b == null && best_u > border_bid_utility) {
945 better_b = new Bid(best_b);
946 better_u = current_u;
947
948 better[0] = new Bid(best_b);
949 // ƒJƒEƒ“ƒ^‚ðƒZƒbƒg
950 random_count = 1;
951 }
952 // �X�V
953 if (current_u < better_u && current_u > border_bid_utility) {
954 better_b = new Bid(current_b);
955 better_u = current_u;
956 random_count = 0;
957 better[random_count] = new Bid(current_b);
958 // ƒJƒEƒ“ƒ^‚ðƒZƒbƒg
959 random_count++;
960 }
961
962 // “¯‚¶Œø—p’l‚ðŽ�‚ÂBid‚ð‹L‰¯‚µ‚Ä‚¨‚­
963 if (current_u == better_u) {
964 better[random_count % ARRAY_LIM] = new Bid(current_b);
965 random_count++;
966 }
967
968 current_b = new Bid(baseBid);
969 }
970 }
971
972 if (better_b != null) {
973 // Œø—p’l‚ª‹«ŠE’l•t‹ß‚Æ‚È‚éBid‚ð•Ô‚·
974 if (random_count > ARRAY_LIM) {
975 better_b = new Bid(better[randomnr.nextInt(ARRAY_LIM)]);
976 } else {
977 better_b = new Bid(better[randomnr.nextInt(random_count)]);
978 }
979 } else {
980 // ‹«ŠE’l‚æ‚è‘å‚«‚ÈŒø—p’l‚ðŽ�‚ÂBid‚ªŒ©‚‚©‚ç‚È‚©‚Á‚½‚Æ‚«‚Í�CŒø—p’l‚ª�Å‘å‚Æ‚È‚éBid‚ð•Ô‚·
981 better_b = new Bid(best_b);
982 }
983
984 return better_b;
985 }
986
987 private void initPrevSessionData() throws Exception {
988 // csv�o—Í—p
989 // fw = new FileWriter("/Users/Mori/Program/R/anac/Atlas_Session_mu"+
990 // sessionNr + ".csv", false);
991 // pw_my_u = new PrintWriter(new BufferedWriter(fw));
992 // // ‘ŠŽè‚Ì’ñŽ¦‚µ‚½Bid‚ÌŒø—p’l
993 // fw_p = new
994 // FileWriter("/Users/Mori/Program/R/anac/Atlas_Session_Data_pu" +
995 // sessionNr + ".csv", false);
996 // pw_pa_u = new PrintWriter(new BufferedWriter(fw_p));
997 // // Ž©•ª‚Ì’ñŽ¦‚µ‚½Bid‚Ì‹«ŠE�ü
998 // fw_b = new
999 // FileWriter("/Users/Mori/Program/R/anac/Atlas_Session_Data_mb" +
1000 // sessionNr + ".csv", false);
1001 // pw_my_b = new PrintWriter(new BufferedWriter(fw_b));
1002 // //
1003 // Ž©•ª‚Ì’ñŽ¦‚µ‚½Bid‚Ì�d‚Ý•t‚«•â�³�Ï‚Ý‹«ŠE�ü
1004 // fw_b_t = new
1005 // FileWriter("/Users/Mori/Program/R/anac/Atlas_Session_Data_mbt" +
1006 // sessionNr + ".csv", false);
1007 // pw_my_b_t = new PrintWriter(new BufferedWriter(fw_b_t));
1008 // // Ž©•ª‚Ì’ñŽ¦‚µ‚½Bid‚Ì•â�³�Ï‚Ý
1009 // fw_b_c = new
1010 // FileWriter("/Users/Mori/Program/R/anac/Atlas_Session_Data_mbc" +
1011 // sessionNr + ".csv", false);
1012 // pw_my_b_c = new PrintWriter(new BufferedWriter(fw_b_c));
1013
1014 Serializable prev = this.loadSessionData();
1015 MySessionData mySessionData = (MySessionData) prev;
1016
1017 // •Ï�”‚Ì�‰Šú‰»
1018 if (sessionNr > 0 && prev != null) {
1019 mySessionData = (MySessionData) prev;
1020 last_tension = mySessionData.tension;
1021 is_agreement = mySessionData.isAgreement;
1022 last_bid = mySessionData.lastBid;
1023 max_bid = mySessionData.max_bid;
1024 true_best_agreement_bid = mySessionData.true_best_agreement_bid;
1025 false_best_agreement_bid = mySessionData.false_best_agreement_bid;
1026 true_failure_num = mySessionData.true_failure_num;
1027 false_agreement_num = mySessionData.false_agreement_num;
1028 false_agreement_average_utility_with_discount = mySessionData.false_agreement_average_utility_with_discount;
1029 partner_attack_num = mySessionData.partner_attack_num;
1030 partner_guard_num = mySessionData.partner_guard_num;
1031 last_time = mySessionData.last_time;
1032 last_bid_time = mySessionData.last_bid_time;
1033 tension_true_seal_flag = mySessionData.tension_true_seal_flag;
1034 true_repeat_time = mySessionData.true_repeat_time;
1035 false_repeat_time = mySessionData.false_repeat_time;
1036 false_agreement_best_utility = mySessionData.false_agreement_best_utility;
1037
1038 // Žp�¨‚ÌŒˆ’è
1039 if (is_agreement && last_tension) {
1040 // ‹­‹C‚Å�‡ˆÓ‚µ‚½�ê�‡�C‹­‹C‚ÅŒð�‚ð‘±�s‚·‚é
1041 tension = true;
1042 } else {
1043 if (false_best_agreement_bid == null) {
1044 tension = false;
1045 } else {
1046 // ‹­‹C‚Ì�ê�‡
1047 double parameter = partner_guard_num + partner_attack_num;
1048 if (parameter == 0) {
1049 parameter = 1;
1050 }
1051 // —˜“¾�i‘ŠŽè‚ªŽã‹C‚Ì‚Æ‚«‚É“¾‚éŒø—p’l�iŽc‚è‚ÌŒð�‰ñ�”•ª�j�j
1052 double get_utility_true = (utilitySpace.getDiscountFactor()
1053 - false_agreement_average_utility_with_discount)
1054 * (sessionsTotal - (sessionNr));
1055 // ‘¹Ž¸�i‹­‹C‚ÅŽ¸”s‚µ‚½‚Æ‚«‚ÉŽ¸‚¤Œø—p’l�i1‰ñ•ª�j�j
1056 double lost_utility_true = utilitySpace
1057 .getReservationValueWithDiscount(1.0)
1058 - false_agreement_average_utility_with_discount;
1059 // Šú‘Ò’l(‘ŠŽè‚ÌŽp�¨‚Í‹­‹CorŽã‹C‚Å‚»‚ꂼ‚ê‚ÌŠm—¦‚͉ߋŽ‚ÌŒð�‚ðŽQ�Æ‚·‚é)
1060 double utility_true = get_utility_true
1061 * ((partner_guard_num) / (parameter))
1062 + lost_utility_true
1063 * ((partner_attack_num) / (parameter));
1064 // Šú‘Ò’l‚É‹­‹C‚Å‚ÌŽ¸”s‚ÌŽÀ�Ñ’l‚𔽉f
1065 utility_true += (utilitySpace
1066 .getReservationValueWithDiscount(1.0)
1067 - false_agreement_average_utility_with_discount)
1068 * true_failure_num;
1069
1070 if (utility_true > 0) {
1071 tension = true;
1072 } else {
1073 tension = false;
1074 }
1075 }
1076 }
1077
1078 // 2�í–Ú‚ÍDiscountFactor‚ª1.0‚æ‚è�¬‚³‚¢Žž�C•K‚¸Žã‹C‚É‚È‚é
1079 if (sessionNr == 1 && utilitySpace.getDiscountFactor() < 1.0) {
1080 tension = false;
1081 }
1082
1083 // 3�í–ÚˆÈ�~‚Í1�í–Ú‚Å�‡ˆÓ‚É�¬Œ÷‚µ‚Ä‚¢‚é‚Æ‚«‹­‹C‚É–ß‚·
1084 if (sessionNr > 1 && utilitySpace.getDiscountFactor() < 1.0
1085 && true_failure_num == 0) {
1086 tension = true;
1087 }
1088
1089 // ‹­‹C••ˆóƒtƒ‰ƒO‚ª—§‚Á‚Ä‚¢‚鎞‚ÍŽã‹CŒÅ’è
1090 if (tension_true_seal_flag) {
1091 tension = false;
1092 }
1093 }
1094 }
1095
1096 @Override
1097 public void endSession(NegotiationResult result) {
1098 try {
1099 // data‚ðcsv�o—Í‚·‚éŠÖ�”
1100 // pw_my_u.close();
1101 // pw_pa_u.close();
1102 // pw_my_b.close();
1103 // pw_my_b_t.close();
1104 // pw_my_b_c.close();
1105
1106 boolean isAgreement = result.isAgreement();
1107 Bid lastBid = null;
1108
1109 if (isAgreement) {
1110 // Accept‚µ‚½�ê�‡
1111 lastBid = result.getLastBid();
1112
1113 if (tension) {
1114 // ‹­‹C‚ÌŽž
1115 partner_guard_num++;
1116
1117 // �‡ˆÓ‚µ‚½�Å‘åŒø—p’lBid‚ð‹L˜^
1118 if (true_best_agreement_bid == null
1119 || utilitySpace.getUtility(lastBid) >= utilitySpace
1120 .getUtility(true_best_agreement_bid)) {
1121 true_best_agreement_bid = new Bid(lastBid);
1122 true_repeat_time = timeline.getTime();
1123 }
1124 } else {
1125 // ‘¦Œˆ‚µ‚½�ê�‡‚ð�œ‚­�ˆ—�
1126 if (!first_offer_decision_flag) {
1127 // Žã‹C‚ÌŽž
1128 if (attack_flag) {
1129 partner_attack_num++;
1130 } else {
1131 if (false_best_agreement_bid != null) {
1132 // “¾‚ç‚ꂽŒø—p’l‚ª�C‰ß‹Ž‚ÌŒð�‚Ì�Å—Ç‚ÌŒø—p’lˆÈ‰º‚Å‚ ‚è�C‚©‚Â�C‘O‰ñ‚ÌŽp�¨‚Æ�¡‰ñ‚ÌŽp�¨‚ª“¯‚¶‚Å‚ ‚é�ê�‡
1133 if (utilitySpace.getUtility(
1134 lastBid) < utilitySpace.getUtility(
1135 false_best_agreement_bid)
1136 && ((tension && last_tension)
1137 || (!tension
1138 && !last_tension))) {
1139 partner_attack_num++;
1140 }
1141 // “¾‚ç‚ꂽŒø—p’l‚ª�C‰ß‹Ž‚ÌŒð�‚Ì�Å—Ç‚ÌŒø—p’lˆÈ�ã‚Å‚ ‚è�C‚©‚Â�C‘O‰ñ‚ÌŽp�¨‚Æ�¡‰ñ‚ÌŽp�¨‚ª“¯‚¶‚Å‚ ‚é�ê�‡
1142 if (utilitySpace.getUtility(
1143 lastBid) > utilitySpace.getUtility(
1144 false_best_agreement_bid)
1145 && ((tension && last_tension)
1146 || (!tension
1147 && !last_tension))) {
1148 partner_guard_num++;
1149 }
1150 }
1151 }
1152
1153 // �‡ˆÓ‚µ‚½�Å‘åŒø—p’lBid‚ð‹L˜^
1154 if (false_best_agreement_bid == null || utilitySpace
1155 .getUtility(lastBid) >= utilitySpace
1156 .getUtility(false_best_agreement_bid)) {
1157 false_best_agreement_bid = new Bid(lastBid);
1158 // �ÄŒ»ŽžŠÔ‚ð�Ý’è‚·‚é
1159 false_repeat_time = timeline.getTime();
1160 }
1161
1162 // �‡ˆÓ‚µ‚½Discount�ž‚Ý�Å‘åŒø—p’l‚ð‹L˜^
1163 if (utilitySpace.getUtilityWithDiscount(lastBid,
1164 timeline.getTime()) > false_agreement_best_utility) {
1165 false_agreement_best_utility = utilitySpace
1166 .getUtilityWithDiscount(lastBid,
1167 timeline.getTime());
1168 }
1169
1170 // •½‹Ï’l‚ð‹L˜^
1171 false_agreement_average_utility_with_discount = ((false_agreement_average_utility_with_discount
1172 * false_agreement_num)
1173 + utilitySpace.getUtilityWithDiscount(lastBid,
1174 timeline.getTime()))
1175 / (false_agreement_num + 1);
1176 false_agreement_num++;
1177
1178 // ‹­‹C••ˆóƒtƒ‰ƒO‚ÌŠm’è
1179 if (utilitySpace.getDiscountFactor() < utilitySpace
1180 .getUtilityWithDiscount(lastBid,
1181 timeline.getTime())
1182 && utilitySpace.getDiscountFactor() < 1.0
1183 && utilitySpace.getUtility(
1184 false_best_agreement_bid) < 1.0) {
1185 tension_true_seal_flag = true;
1186 } else {
1187 tension_true_seal_flag = false;
1188 }
1189 }
1190 }
1191 } else {
1192 // Accept‚µ‚È‚©‚Á‚½�ê�‡
1193 partner_attack_num++;
1194
1195 if (tension) {
1196 // ‹­‹C‚ÌŽž
1197 true_failure_num++;
1198 } else {
1199 // Žã‹C‚ÌŽž
1200 // Šî–{“I‚ÉŒð�‚Í�¬—§‚·‚邪�C‘ŠŽè‚ª‚ ‚Ü‚è‚É‚à’x‚¢‚Æ‚«‚É‚ÍŒð�‚ª�¬—§‚µ‚È‚¢�ê�‡‚ª‚ ‚é‚̂ŃAƒWƒƒƒXƒg�D
1201 last_time = partner_last_bid_time;
1202 }
1203 }
1204
1205 // ‘Å‚¿�؂莞��‚Ì�Ý’è
1206 if (last_time < 1.0 - time_scale || sessionNr == 0) {
1207 last_time = 1.0 - time_scale;
1208 }
1209
1210 MySessionData mySessionData = new MySessionData(tension,
1211 isAgreement, lastBid, max_bid, true_best_agreement_bid,
1212 false_best_agreement_bid, true_failure_num,
1213 false_agreement_num,
1214 false_agreement_average_utility_with_discount,
1215 partner_attack_num, partner_guard_num, last_time,
1216 timeline.getTime(), tension_true_seal_flag,
1217 true_repeat_time, false_repeat_time,
1218 false_agreement_best_utility);
1219 this.saveSessionData(mySessionData);
1220
1221 } catch (Exception e) {
1222 // TODO Auto-generated catch block
1223 e.printStackTrace();
1224 }
1225 }
1226
1227 @Override
1228 public String getDescription() {
1229 return "ANAC2014 compatible with non-linear utility spaces";
1230 }
1231}
1232
1233class MySessionData implements Serializable {
1234 Boolean tension; // Œð�Â’†‚ÌŽp�¨
1235 Boolean isAgreement; // �‡ˆÓ‚µ‚½‚©”Û‚©
1236 Bid lastBid; // �‡ˆÓBid
1237 Bid max_bid; // Ž©•ª‚É‚Æ‚Á‚Ä‚Ì�Å‘åŒø—p’lBid
1238 Bid true_best_agreement_bid; // ‹­‹C‚Ì�ó‘Ԃ̉ߋŽ‚Ì�‡ˆÓBid‚Ì’†‚Å�Å‘åŒø—p’l‚Æ‚È‚éBid
1239 Bid false_best_agreement_bid; // Žã‹C‚Ì�ó‘Ԃ̉ߋŽ‚Ì�‡ˆÓBid‚Ì’†‚Å�Å‘åŒø—p’l‚Æ‚È‚éBid
1240 int true_failure_num; // ‹­‹C�ó‘Ô‚Å‚ÌŒð�ÂŽ¸”s�”
1241 int false_agreement_num; // Žã‹C�ó‘Ô‚Å‚ÌŒð�Â�¬Œ÷�”
1242 double false_agreement_average_utility_with_discount; // Žã‹C�ó‘Ԃł̃fƒBƒXƒJƒEƒ“ƒg�ž‚Ý‚ÌŠl“¾Œø—p’l‚Ì•½‹Ï
1243 double partner_attack_num; // Œð�‘ŠŽè‚Ì‹­‹C‚̉ñ�”
1244 double partner_guard_num; // Œð�‘ŠŽè‚ÌŽã‹C‚̉ñ�”
1245 double last_time; // �ÅŒã‚ÌŒð�Â‚ð‚·‚éŽž��
1246 double last_bid_time; // ‘O‰ñ‚ÌŒð�Â�I—¹Žž��
1247 boolean tension_true_seal_flag; // ‹­‹C••ˆóƒtƒ‰ƒO
1248 double true_repeat_time; // ‹­‹C‚Ì�ÄŒ»”»’è—p‚ÌŽžŠÔ
1249 double false_repeat_time; // Žã‹C‚Ì�ÄŒ»”»’è—p‚ÌŽžŠÔ
1250 double false_agreement_best_utility; // ƒfƒBƒXƒJƒEƒ“ƒg�ž‚Ý‚ÌŠl“¾Œø—p’l‚Ì�Å‘å’l
1251
1252 public MySessionData(Boolean tension, Boolean isAgreement, Bid lastBid,
1253 Bid max_bid, Bid true_best_agreement_bid,
1254 Bid false_best_agreement_bid, int true_failure_num,
1255 int false_agreement_num,
1256 double false_agreement_average_utility_with_discount,
1257 double partner_attack_num, double partner_guard_num,
1258 double last_time, double last_bid_time,
1259 boolean tension_true_seal_flag, double true_repeat_time,
1260 double false_repeat_time, double false_agreement_best_utility) {
1261
1262 this.tension = tension;
1263 this.isAgreement = isAgreement;
1264 this.lastBid = lastBid;
1265 this.max_bid = max_bid;
1266 this.true_best_agreement_bid = true_best_agreement_bid;
1267 this.false_best_agreement_bid = false_best_agreement_bid;
1268 this.true_failure_num = true_failure_num;
1269 this.false_agreement_num = false_agreement_num;
1270 this.false_agreement_average_utility_with_discount = false_agreement_average_utility_with_discount;
1271 this.partner_attack_num = partner_attack_num;
1272 this.partner_guard_num = partner_guard_num;
1273 this.last_time = last_time;
1274 this.last_bid_time = last_bid_time;
1275 this.tension_true_seal_flag = tension_true_seal_flag;
1276 this.true_repeat_time = true_repeat_time;
1277 this.false_repeat_time = false_repeat_time;
1278 this.false_agreement_best_utility = false_agreement_best_utility;
1279 }
1280}
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