source: src/main/java/agents/anac/y2014/AgentWhale/WhaleAgent.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: 41.2 KB
Line 
1package agents.anac.y2014.AgentWhale;
2
3import java.io.Serializable;
4import java.text.NumberFormat;
5import java.util.ArrayList;
6import java.util.Comparator;
7import java.util.HashMap;
8import java.util.Random;
9import java.util.TreeMap;
10
11import genius.core.Agent;
12import genius.core.Bid;
13import genius.core.NegotiationResult;
14import genius.core.actions.Accept;
15import genius.core.actions.Action;
16import genius.core.actions.DefaultAction;
17import genius.core.actions.Offer;
18import genius.core.issue.IssueInteger;
19import genius.core.issue.Value;
20import genius.core.issue.ValueInteger;
21import genius.core.timeline.Timeline;
22
23/**
24 * This agent is an example of how to create an ANAC2013 agent which learns
25 * during the tournament. This agent is a variant of the random agent.
26 *
27 * @author M. Hendrikx
28 */
29public class WhaleAgent extends Agent {
30
31 /** The minimum utility a bid should have to be accepted or offered. */
32 private double MINIMUM_BID_UTILITY;
33 private double MINIMUM_BID_UTILITY_OFFER = 1.0;
34
35 private double offered_sum = 0.0;// ‘ŠŽè‚ªOffer‚µ‚Ä‚«‚½Bid‚ÌŒø—p’l‚Ì‘�˜a
36 private Bid opponentBestBid;// ‘ŠŽè‚ªOffer‚µ‚Ä‚«‚½Bid‚Ì‚¤‚¿�Å‘å‚ÌŒø—p’l‚Ì‚à‚Ì
37 private ArrayList<Bid> seedBidList;// ’T�õ‚ÌŽí‚Æ‚È‚éBidList
38 private Bid opponentLastBid;// The opponent's last action.
39 private Bid maxBid;// Bid with the highest possible utility.
40 private boolean flag_offer_bestbid_opponent = false;
41 private HashMap<Bid, Double> offeredBidMap;// ‘ŠŽè‚ÌOffer‚µ‚½Bid‚ð•Û‘¶‚µ‚Ä‚¨‚­HashMap
42 private HashMap<String, Double> offeredMyBidMap;// Ž©•ª‚ÌOffer‚µ‚½Bid‚ð•Û‘¶‚µ‚Ä‚¨‚­HashMap
43 private int countReSA = 0;
44 private double lastTime;
45 private boolean isFirstAction = false;
46 private boolean isSecondAction = false;
47 private ArrayList<Bid> offerBidLists = new ArrayList<Bid>();
48 private int firstOfferIndex = 0;
49 private int reOfferCount = 0;
50 private boolean isFirstSession;
51 private int actionType = 1;
52 private int offered_count = 0;
53 private double SAmax;
54
55 private WhaleSessionData prevwData;
56
57 public WhaleAgent() {
58 }
59
60 /**
61 * Initialize the target utility to MAX(rv, max). Where rv is the
62 * reservation value of the preference profile and max is the highest
63 * utility received on the current preference profile.
64 */
65 @Override
66 public void init() {
67 // System.out.println("++ init here ++");
68
69 Bid bid = utilitySpace.getDomain().getRandomBid(null);
70 SAmax = utilitySpace.getUtilityWithDiscount(
71 getBidSA(bid, 10000, 0.999, 0.90, 0), 0.0);
72
73 // System.out.println("**SAmax "+SAmax);
74 setName("WhaleAgent");
75 // Serializable prev = this.loadSessionData();//
76 // ‘O‰ñ‚ÌŠl“¾Œø—p’l
77 // if (prev != null) {
78 // double previousOutcome = (Double) prev;
79 // MINIMUM_BID_UTILITY =
80 // Math.max(Math.max(utilitySpace.getReservationValueUndiscounted(),previousOutcome),
81 // 0.85);
82 // } else {
83 // MINIMUM_BID_UTILITY =
84 // Math.max(utilitySpace.getReservationValueUndiscounted(), 0.85);
85 // }
86 //
87 offered_sum = 0.0;
88 offered_count = 0;
89 MINIMUM_BID_UTILITY = 0.90;
90 initPrevSessionData();
91 // HashMap‚Ì�‰Šú‰»
92 offeredBidMap = new HashMap<Bid, Double>();
93 offeredMyBidMap = new HashMap<String, Double>();
94
95 // predictType(true);
96
97 // System.out.println("Minimum bid utility: " + MINIMUM_BID_UTILITY);
98 }
99
100 // Žc‚莞ŠÔ‚ðŒ©‚Ä
101 // Offer‚·‚é�@ƒrƒbƒh‚Ì�Å‘å’l‚ð‰º‚°‚é
102 // Žc‚莞ŠÔ‚ðŒ©‚Ä Accept‚·‚é�@
103 public void calculateMyBid() {
104
105 }
106
107 private void calculateMinBidUtil() {
108 double time = timeline.getTime();
109 System.out.println("calculateMinBidUtil");
110 System.out.println("++ time : " + time);
111 double discount = utilitySpace.getDiscountFactor();
112 if (discount < 1.0) {
113 // Š„ˆøŒø—p‚ ‚è
114 MINIMUM_BID_UTILITY = 1.0 * Math.pow(discount, time);
115 } else {
116 // Š„ˆøŒø—p‚È‚µ
117 MINIMUM_BID_UTILITY = 1.0 - time;
118 }
119
120 // System.out.println("Minimum bid utility: " + MINIMUM_BID_UTILITY);
121 }
122
123 @Override
124 public String getVersion() {
125 return "1.0";
126 }
127
128 @Override
129 public String getName() {
130 return "WhaleAgent";
131 }
132
133 /**
134 * ƒZƒbƒVƒ‡ƒ“ƒf�[ƒ^‚𕜌³‚·‚é
135 */
136 public void initPrevSessionData() {
137
138 try {
139
140 // System.out.println("Session Start Data");
141 // System.out.println("**sessionsTotal : "+sessionsTotal);
142 // System.out.println("**sessionNr : "+sessionNr);
143
144 Serializable prev = this.loadSessionData();
145
146 if (prev != null) {
147
148 // WhaleSessionDataAll wAll = (WhaleSessionDataAll) prev;
149 WhaleSessionData wData = (WhaleSessionData) prev;
150 prevwData = wData;
151 HashMap<Bid, Double> tmpMap = new HashMap<Bid, Double>();
152 for (int i = 0; i < prevwData.bidLists.size(); i++) {
153 tmpMap.put(prevwData.bidLists.get(i),
154 utilitySpace.getUtility(prevwData.bidLists.get(i)));
155 }
156
157 // Sort
158 TreeMap<Bid, Double> treeMap = new TreeMap<Bid, Double>(
159 new MapComparator(tmpMap));
160 treeMap.putAll(tmpMap);
161
162 prevwData.bidLists = new ArrayList<Bid>();
163 for (Bid bid : treeMap.keySet()) {
164 prevwData.bidLists.add(bid);
165 }
166
167 if (wData.getUtil >= 0.9) {
168 // ‘O‰ñ‚ÌUtility‚ª�‚‚¢Žž =>
169 // ‚»‚ÌBid‚ð‚·‚®‚ÉOffer‚·‚é‚悤‚É‚·‚é�iDiscount‚ª‚ ‚é‚Æ‚«�j
170 reOfferCount = 1;
171 isFirstAction = true;
172 offerBidLists.add(wData.accesptedBid);
173
174 } else if (wData.getUtil >= 0.8) {
175 reOfferCount = 1;
176 isFirstAction = true;
177 offerBidLists.add(wData.accesptedBid);
178 }
179 // System.out.println(prev);
180 isFirstSession = false;
181 } else {
182 reOfferCount = 0;
183 isFirstSession = true;
184 offerBidLists = new ArrayList<Bid>();// �‰Šú‰»
185 }
186
187 actionType = predictType(false);// Actionƒpƒ^�[ƒ“‚ð•Ï�X‚·‚é
188 // if(isFirstAction == false && actionType == 2){
189 // isFirstAction = true;
190 // }
191
192 } catch (Exception e) {
193 // TODO Auto-generated catch block
194 e.printStackTrace();
195 }
196 }
197
198 /**
199 * Set the target utility for the next match on the same preference profile.
200 * If the received utility is higher than the current target, save the
201 * received utility as the new target utility.
202 */
203 @Override
204 public void endSession(NegotiationResult result) {
205 // System.out.println("endSession");
206 if (result.getMyDiscountedUtility() > MINIMUM_BID_UTILITY) {
207 // System.out.println("saveSession");
208 saveSessionData(new Double(result.getMyDiscountedUtility()));
209 // saveSessionData(offeredBidMap);
210 }
211 // System.out.println(result);
212 if (!result.isAgreement()) {
213 // �‡ˆÓ‚Å‚«‚È‚©‚Á‚½Žž
214
215 // ŽŸ‰ñ‚©‚ç‘˦‚·‚é‚悤‚É‚·‚é
216 }
217
218 ArrayList<Bid> bidLists;
219 double sumUtil = 0.0;
220 // HashMap<Bid, Double> bestMaps = getBestBids(3);
221 if (isFirstSession) {
222 bidLists = new ArrayList<Bid>();
223 } else {
224 sumUtil = prevwData.sumUtil + result.getMyDiscountedUtility();// recalculate
225 bidLists = new ArrayList<Bid>(prevwData.bidLists);
226
227 }
228
229 bidLists.add(result.getLastBid());
230
231 WhaleSessionData sessionData = new WhaleSessionData(result.getLastBid(),
232 getBestBidOpponent(), result.getMyDiscountedUtility(),
233 result.isAgreement(), bidLists, sumUtil, actionType);
234
235 saveSessionData(sessionData);
236 // System.out.println("**save");
237
238 // TreeMap<Bid, Double> treeMap = new TreeMap<Bid, Double>(new
239 // IntegerMapComparator(bestMaps));
240 // treeMap.putAll(bestMaps);
241 // System.out.println(treeMap.values());
242
243 }
244
245 /**
246 * Offer‚·‚é‘O‚ÉHashMap‚É•Û‘¶‚·‚éƒ�ƒ\ƒbƒh
247 *
248 * @param bid
249 * @return
250 */
251 public Action preOffer(Bid bid) {
252 // Offer‚·‚é‘O‚ÉHashMap‚ÉŽ©•ª‚ªOffer‚µ‚½Bid‚ð•Û‘¶‚µ‚Ä‚¨‚­
253 offeredMyBidMap.put(bid.toString(),
254 utilitySpace.getUtilityWithDiscount(bid, timeline.getTime()));
255 return new Offer(getAgentID(), bid);
256 }
257
258 /**
259 * �¡‚Ü‚ÅŽ©•ª‚ªOffer‚µ‚Ä‚«‚½Bid‚©‚Ç‚¤‚©
260 *
261 * @param bid
262 * @return
263 */
264 public Boolean isCollideBid(Bid bid) {
265 if (offeredMyBidMap.containsKey(bid.toString())) {
266 return true;
267 } else {
268 return false;
269 }
270 }
271
272 public Bid getBestSeedBid() {
273
274 double best_util = 0.0;
275 Bid bestBid = utilitySpace.getDomain().getRandomBid(null);
276 // ‰ß‹Ž‚ÌBid‚æ‚èˆê’è‚Ì’l‚æ‚è‘å‚«‚¢Bid‚ðƒ‰ƒ“ƒ_ƒ€‚ÅSeed‚Æ‚µ‚Ä�Ì—p
277 for (Bid bid : offeredBidMap.keySet()) {
278 double recent_util = utilitySpace.getUtilityWithDiscount(bid,
279 timeline.getTime());
280 if (recent_util > best_util) {
281 bestBid = bid;
282 best_util = recent_util;
283 }
284 }
285 return bestBid;
286 }
287
288 public Bid getMinBidMaps(HashMap<Bid, Double> maps) {
289 double min_util = 1.0;
290 Bid minBid = null;
291 for (Bid bid : maps.keySet()) {
292 double util = maps.get(bid);
293 if (min_util >= util) {
294 min_util = util;
295 minBid = bid;
296 }
297 }
298 return minBid;
299 }
300
301 public HashMap<Bid, Double> getBestBids(int count) {
302 HashMap<Bid, Double> maps = new HashMap<Bid, Double>();
303
304 try {
305
306 // Sort
307 TreeMap<Bid, Double> treeMap = new TreeMap<Bid, Double>(
308 new MapComparator(offeredBidMap));
309 treeMap.putAll(offeredBidMap);
310
311 int i = 0;
312 for (Bid bid : treeMap.keySet()) {
313 if (i < count) {
314 double recent_util;
315 recent_util = utilitySpace.getUtility(bid);
316
317 maps.put(bid, recent_util);
318 }
319 i++;
320 }
321
322 } catch (Exception e) {
323 // TODO Auto-generated catch block
324 e.printStackTrace();
325 }
326
327 return maps;
328
329 }
330
331 /**
332 * ‘ŠŽè‚ÌOffer‚µ‚Ä‚«‚½Bid‚Ì‚¤‚¿�Å�‚‚ÌŒø—p’l‚ðŽ�‚‚à‚Ì‚ðŽæ“¾‚·‚é
333 *
334 * @return
335 */
336 public Bid getBestBidOpponent() {
337 double best_util = 0.0;
338 Bid bestBid = null;
339 // ‰ß‹Ž‚ÌBid‚æ‚èˆê’è‚Ì’l‚æ‚è‘å‚«‚¢Bid‚ðƒ‰ƒ“ƒ_ƒ€‚ÅSeed‚Æ‚µ‚Ä�Ì—p
340 for (Bid bid : offeredBidMap.keySet()) {
341 double recent_util = utilitySpace.getUtilityWithDiscount(bid,
342 timeline.getTime());
343 if (recent_util > best_util) {
344 bestBid = bid;
345 best_util = recent_util;
346 }
347 }
348 return bestBid;
349 }
350
351 /**
352 * ‘ŠŽè‚Ì’ñˆÄ‚µ‚Ä‚«‚½Bid‚©‚çƒxƒXƒg‚ÈBid‚ðŽæ“¾‚·‚é
353 *
354 * @return
355 */
356 public Action getBestBidByOppo(int type) {
357
358 Bid bestBid = getBestBidOpponent();
359 double best_util = utilitySpace.getUtilityWithDiscount(bestBid,
360 timeline.getTime());
361 if (flag_offer_bestbid_opponent == true || type == 0) {
362 // ‘ŠŽè‚ÌBestBid‚ðOffer‚µ‚½‚Ì‚É‹‘”Û‚³‚ꂽŽž
363 // System.out.println("**newoffer");
364 // ‘ŠŽè‚ÌBestBidŽü•Ó‚ð’T�õ
365 return preOffer(getNeighborBid(bestBid));
366 // return getBidLowSA(bestBid,100, 0.9,best_util,0);
367 }
368
369 if (best_util >= utilitySpace
370 .getReservationValueWithDiscount(timeline.getTime())
371 && type == 1) {
372 // ‘ŠŽè‚ÌBestBid‚ðOffer‚·‚é
373 flag_offer_bestbid_opponent = true;
374
375 return preOffer(bestBid);
376 } else {
377 Bid bid = utilitySpace.getDomain().getRandomBid(null);// ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
378 return preOffer(getNeighborBid(opponentLastBid));
379 // return getBidSA(bid);
380 }
381
382 // Random rnd = new Random();
383 // if(rnd.nextInt(20000) % 5 == 0 ){
384 // //5‰ñ‚É1‰ñ‚ÍŽ©—R‚ÉOffer‚·‚é
385 // Bid bid = utilitySpace.getDomain().getRandomBid();//
386 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
387 // return getBidSA(bid);
388 // }
389
390 // return new Offer(bestBid);
391 }
392
393 /**
394 * i‰ñ‚©‚P‰ñtrue‚Æ‚È‚éƒ�ƒ\ƒbƒh
395 *
396 * @param i
397 * @return
398 */
399 public boolean getRandomTrue(int i) {
400 Random rnd = new Random();
401 int random_int = rnd.nextInt(10000);
402 return random_int % i == 0;
403
404 }
405
406 /**
407 * offeredBidMap‚æ‚èŒø—p’l‚Ì�‚‚¢BidŒS‚ðŽæ“¾‚·‚é
408 */
409 public Bid getSeedBid() {
410 seedBidList = new ArrayList<Bid>();
411
412 // ‰ß‹Ž‚ÌBid‚æ‚èˆê’è‚Ì’l‚æ‚è‘å‚«‚¢Bid‚ðƒ‰ƒ“ƒ_ƒ€‚ÅSeed‚Æ‚µ‚Ä�Ì—p
413 for (Bid bid : offeredBidMap.keySet()) {
414 if (offeredBidMap.get(bid) > 0) {// TODO�@‚¢‚­‚ˆÈ�ã‚Ìutil‚ðSeed‚Æ‚µ‚Ä�Ì—p‚·‚é‚©
415 seedBidList.add(bid);
416 }
417 }
418
419 if (getRandomTrue(5)) {
420
421 return utilitySpace.getDomain().getRandomBid(null);// ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
422 } else {
423 if (!seedBidList.isEmpty() && seedBidList.size() > 3) {
424 Random rnd = new Random();
425 int seed_id = rnd.nextInt(seedBidList.size() - 1);// •Ï�X‚·‚é
426 Bid seedBid = seedBidList.get(seed_id);
427
428 return seedBid;
429
430 } else {
431 // ‚Ü‚¾‘ŠŽè‚©‚ç‚ÌBid‚ª‚È‚¢‚Æ‚«
432 return utilitySpace.getDomain().getRandomBid(null);// ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
433
434 }
435 }
436
437 }
438
439 /**
440 * Retrieve the bid from the opponent's last action.
441 */
442 @Override
443 public void ReceiveMessage(Action opponentAction) {
444
445 opponentLastBid = DefaultAction.getBidFromAction(opponentAction);// ‘ŠŽè‚ÌlastBid
446
447 if (opponentLastBid != null) {
448
449 // ‘ŠŽè‚ÌOffer‚µ‚Ä‚«‚½Bid‚ðŽæ“¾‚µ�A•Û‘¶‚·‚é
450 double time = timeline.getTime();// Œo‰ßŽžŠÔ‚ðŽæ“¾
451 double offeredUtility = utilitySpace
452 .getUtilityWithDiscount(opponentLastBid, time);// discount‚³‚ꂽ‚à‚Ì‚ðŽæ“¾
453 offeredBidMap.put(opponentLastBid, offeredUtility);// HashMap‚É•Û‘¶‚·‚é
454 offered_count += 1;
455 offered_sum += offeredUtility;
456 }
457
458 // System.out.println("+ oopo : "+opponentLastBid.getValues());
459 // System.out.println("+ReservationValue :
460 // "+utilitySpace.getReservationValue());
461 // System.out.println("++ opponet : "+getUtility(opponentLastBid));
462 // TODO
463 // lastBid‚ÌŠˆ—p�@‚µ‚«‚¢’l‚ð‰º‚°‚½‚è‚·‚é
464 // System.out.println("Time : "+timeline.getTime());
465
466 // MINIMUM_BID_UTILITY_OFFER = sigmoid(timeline.getTime());
467 // MINIMUM_BID_UTILITY = sigmoid(timeline.getTime());
468
469 }
470
471 /**
472 * ‘ŠŽè‚Ì�s“®ƒpƒ^�[ƒ“‚©‚玩•ª‚Ì�s“®ƒpƒ^�[ƒ“‚ðŒˆ‚ß‚é
473 *
474 * @return
475 */
476 public int predictType(boolean isPre) {
477 if (isPre == false) {
478 // System.out.println(offered_count);
479 // System.out.println(offerBidLists.size());
480 // System.out.println("**offeredBidMap.size() =
481 // "+offeredBidMap.size());
482 // System.out.println("**offered_count = "+offered_count);
483 if (offered_count > 10
484 && offered_count > 2 * offeredBidMap.size()) {
485 // System.out.println("** 2 count");
486 return 2;
487 }
488 //
489 }
490
491 if (isFirstSession) {
492 // ‰ß‹Ž‚ÌBid‚ª‚È‚¢�ê�‡
493 // System.out.println("** 1 first");
494 return 1;
495 } else {
496 // ‘O‰ñ‚Ì�î•ñ‚ð—˜—p‚·‚é
497
498 if (prevwData.isAgreement == false) {
499 // System.out.println("** 2 not agreement");
500 return 2;
501 }
502 if (prevwData.getUtil < 0.7 * SAmax) {
503 // System.out.println("** 2 low util");
504 return 2;
505 }
506
507 double sumUtil = prevwData.sumUtil;// ‚±‚̃ZƒbƒVƒ‡ƒ“‚Ü‚Å‚Ì�‡Œv
508 double avgUtil = sumUtil / (sessionNr + 1.0);
509 // System.out.println("**sessionNr "+sessionNr);
510 // •½‹Ï‚ª�‚‚¯‚ê‚Î
511 if (avgUtil > 0.8 * SAmax) {
512 // System.out.println("** 1 avg");
513 return 1;
514 }
515 // System.out.println("** prev end"+prevwData.actionType);
516 return prevwData.actionType;
517 }
518 // System.out.println("** 2 end");
519 // return 2;
520 }
521
522 /**
523 * ‹­‹C‚Ì�s“®‚ð‚·‚éƒ�ƒ\ƒbƒh
524 *
525 * @return
526 */
527 public Action actionType1() {
528 // System.out.println("**actionType1");
529 try {
530 // ŽžŠÔ‚ð�l—¶‚µ‚Ämin
531 // bid‚ð•Ï‰»‚³‚¹‚é
532 // calculateMinBidUtil();
533 // System.out.println("hashmap_count : "+offeredBidMap.size());
534 // System.out.println("hashmap_util : "+offered_sum);
535 // System.out.println("hashmap_avg :
536 // "+offered_sum/offeredBidMap.size());
537 if (isFirstAction) {
538
539 for (int i = firstOfferIndex; i < offerBidLists.size(); i++) {
540 firstOfferIndex++;
541 if (firstOfferIndex == offerBidLists.size() - 1) {
542 isFirstAction = false;
543 reOfferCount = 2;
544 }
545 // System.out.println("**new first offer");
546 isSecondAction = true;
547 return preOffer(offerBidLists.get(i));
548 }
549 }
550
551 if (opponentLastBid != null && utilitySpace
552 .getUtility(opponentLastBid) >= MINIMUM_BID_UTILITY) {
553 return new Accept(getAgentID(), opponentLastBid);
554
555 } else if (opponentLastBid != null && utilitySpace.getUtility(
556 opponentLastBid) >= MINIMUM_BID_UTILITY - 0.05) {
557 // Œë�·‚ª0.1‚ÌŽž
558 if (getRandomTrue(3)) {
559 return new Accept(getAgentID(), opponentLastBid);
560 }
561
562 }
563 if (!isFirstSession && !isFirstAction && reOfferCount == 2) {
564
565 if (prevwData.acceptTime / 1.3 <= timeline.getTime()) {
566
567 reOfferCount = 3;
568 return preOffer(offerBidLists.get(0));
569
570 }
571 }
572 if (!isFirstSession && !isFirstAction && reOfferCount == 3) {
573 if (prevwData.acceptTime / 1.2 <= timeline.getTime()) {
574 reOfferCount = 4;
575 return preOffer(offerBidLists.get(0));
576 }
577 }
578 if (!isFirstSession && !isFirstAction && reOfferCount == 4) {
579 if (prevwData.acceptTime / 1.1 <= timeline.getTime()) {
580 reOfferCount = 5;
581 return preOffer(offerBidLists.get(0));
582 }
583 }
584 if (!isFirstSession && !isFirstAction && reOfferCount == 5) {
585 if (prevwData.acceptTime <= timeline.getTime()) {
586 reOfferCount = 6;
587 return preOffer(offerBidLists.get(0));
588 }
589 }
590 if (timeline.getTime() > 0.995) {
591 double util = getUtility(opponentLastBid);
592 if (util > utilitySpace
593 .getReservationValueWithDiscount(timeline)) { // TODO:Resevation
594 // Value‚Æ”ä‚ׂé•K—v‚ ‚è
595 return new Accept(getAgentID(), opponentLastBid);
596 }
597 // Žc‚莞ŠÔ‚ª�­‚È‚¢Žž
598 // return
599 // getBestBidByOppo(1);//‘˦ƒ‚�[ƒh‚ÌŽž�H
600
601 }
602 if (timeline.getTime() > 0.97) {
603
604 // Žc‚莞ŠÔ‚ª�­‚È‚¢Žž
605 // return getBestBidByOppo(1);
606
607 }
608 if (timeline.getTime() > 0.91) {
609
610 double util = utilitySpace.getUtilityWithDiscount(
611 getBestBidOpponent(), timeline.getTime());
612 if (util < MINIMUM_BID_UTILITY) {
613 // MINIMUM_BID_UTILITY =
614 // util*1.05;//TODO:‚±‚±‚ðƒRƒ�ƒ“ƒgƒAƒEƒg‚·‚é‚Æ“¦‚°‚é“®‚«‚ð‚·‚é‚Ì‚Å‚¢‚¢‚©‚à�H
615 }
616 // Žc‚莞ŠÔ‚ª�­‚È‚¢Žž
617 // return getBestBidByOppo(0);
618
619 }
620
621 if (timeline.getTime() > 0.8) {
622 MINIMUM_BID_UTILITY = 0.99 * MINIMUM_BID_UTILITY * SAmax;
623
624 // }else if(timeline.getTime() > 0.5){
625 // Bid bid =
626 // getSeedBid();//’T�õ‚ÌSeedBid‚ðŽæ“¾‚·‚é
627 // return getBidLowSA(bid,5000, 0.98,0.8,0);//5000
628 }
629
630 if (timeline.getTime() > 0.1) {
631 // Bid bid = getSeedBid();
632
633 Bid bid = getNeighborBid(getBestSeedBid());
634 double util = getUtility(bid);
635 if (util >= MINIMUM_BID_UTILITY) {
636 // System.out.println("** neighbor");
637 return preOffer(bid);
638 }
639 // return getBidHighClimb(bid, 50, 0.90, 0);
640 // return getBidLowSA(bid, 10000,0.999,0.90,0);
641 // return getBidLowSA(bid, 1000,0.8,0.90,0);
642
643 // Bid bid = getBestBidOpponent();
644 // return getBidHighClimb(bid, 10000,0.98,0.90,0);
645 }
646
647 // System.out.println("t1 : "+Timeline.Type.Time);
648 // System.out.println("t2 : "+timeline.getType());
649 if (timeline.getType().equals(Timeline.Type.Time)) {
650 // sleep(0.0005);//just for fun
651 }
652 // return getRandomBid(MINIMUM_BID_UTILITY);
653 // return getMyBid();
654
655 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬‚·‚é
656 // Bid bid = utilitySpace.getDomain().getRandomBid();//
657 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
658
659 } catch (Exception e) {
660 // TODO Auto-generated catch block
661 e.printStackTrace();
662 }
663 // return getBidSA(bid);
664
665 // Bid bid =
666 // getBestSeedBid();//’T�õ‚ÌSeedBid‚ðŽæ“¾‚·‚é
667 Bid bid = getSeedBid();
668 // return getBidLowSA(bid, 10000,0.98,0.90,0);
669 // System.out.println("** SA last");
670 return getBidLowSA(bid, 10000, 0.98, MINIMUM_BID_UTILITY * SAmax, 0);
671 }
672
673 /**
674 * Žã‹C‚Ì�s“®‚ð‚·‚éƒ�ƒ\ƒbƒh
675 *
676 * @return
677 */
678 public Action actionType2() {
679
680 // System.out.println("**actionType2");
681 try {
682 // ŽžŠÔ‚ð�l—¶‚µ‚Ämin
683 // bid‚ð•Ï‰»‚³‚¹‚é
684 // calculateMinBidUtil();
685 // System.out.println("hashmap_count : "+offeredBidMap.size());
686 // System.out.println("hashmap_util : "+offered_sum);
687 // System.out.println("hashmap_avg :
688 // "+offered_sum/offeredBidMap.size());
689 if (isFirstAction) {
690
691 for (int i = firstOfferIndex; i < offerBidLists.size(); i++) {
692 firstOfferIndex++;
693 if (firstOfferIndex == offerBidLists.size() - 1) {
694 isFirstAction = false;
695 reOfferCount = 2;
696 }
697
698 return preOffer(offerBidLists.get(i));
699 }
700 }
701
702 if (opponentLastBid != null && utilitySpace
703 .getUtility(opponentLastBid) >= MINIMUM_BID_UTILITY) {
704 return new Accept(getAgentID(), opponentLastBid);
705
706 } else if (opponentLastBid != null && utilitySpace.getUtility(
707 opponentLastBid) >= MINIMUM_BID_UTILITY - 0.05) {
708 // Œë�·‚ª0.1‚ÌŽž
709 if (getRandomTrue(3)) {
710 return new Accept(getAgentID(), opponentLastBid);
711 }
712
713 }
714 if (!isFirstSession && !isFirstAction && reOfferCount == 2) {
715
716 if (prevwData.acceptTime / 1.3 <= timeline.getTime()) {
717
718 reOfferCount = 3;
719 return preOffer(offerBidLists.get(0));
720
721 }
722 }
723 if (!isFirstSession && !isFirstAction && reOfferCount == 3) {
724 if (prevwData.acceptTime / 1.2 <= timeline.getTime()) {
725 reOfferCount = 4;
726 return preOffer(offerBidLists.get(0));
727 }
728 }
729 if (!isFirstSession && !isFirstAction && reOfferCount == 4) {
730 if (prevwData.acceptTime / 1.1 <= timeline.getTime()) {
731 reOfferCount = 5;
732 return preOffer(offerBidLists.get(0));
733 }
734 }
735 if (!isFirstSession && !isFirstAction && reOfferCount == 5) {
736 if (prevwData.acceptTime <= timeline.getTime()) {
737 reOfferCount = 6;
738 return preOffer(offerBidLists.get(0));
739 }
740 }
741 if (timeline.getTime() > 0.99) {
742 double util = getUtility(opponentLastBid);
743 if (util > utilitySpace.getReservationValue()) { // TODO:Resevation
744 // Value‚Æ”ä‚ׂé•K—v‚ ‚è
745 return new Accept(getAgentID(), opponentLastBid);
746 }
747 // Žc‚莞ŠÔ‚ª�­‚È‚¢Žž
748 return getBestBidByOppo(1);// ‘˦ƒ‚�[ƒh‚ÌŽž�H
749
750 }
751 if (timeline.getTime() > 0.97) {
752
753 // Žc‚莞ŠÔ‚ª�­‚È‚¢Žž
754 return getBestBidByOppo(1);
755
756 }
757 if (timeline.getTime() > 0.91) {
758
759 double util = utilitySpace.getUtilityWithDiscount(
760 getBestBidOpponent(), timeline.getTime());
761 if (util < MINIMUM_BID_UTILITY) {
762 MINIMUM_BID_UTILITY = util * 0.99 * SAmax;
763 }
764 // Žc‚莞ŠÔ‚ª�­‚È‚¢Žž
765 return getBestBidByOppo(0);
766
767 }
768
769 if (timeline.getTime() > 0.8) {
770 MINIMUM_BID_UTILITY = 0.85 * SAmax;
771
772 }
773
774 if (timeline.getTime() > 0.5) {
775 // Bid bid =
776 // getSeedBid();//’T�õ‚ÌSeedBid‚ðŽæ“¾‚·‚é
777 //
778 // return getBidHighClimb(bid, 5, 0.80, 0);
779
780 Bid bid = getNeighborBid(getBestSeedBid());
781 double util = getUtility(bid);
782 if (util >= MINIMUM_BID_UTILITY) {
783 return preOffer(bid);
784 }
785 // return getBidLowSA(bid,5000, 0.98,0.8,0);//5000
786 }
787
788 if (timeline.getTime() > 0.5) {
789 MINIMUM_BID_UTILITY = 0.70 * SAmax;
790
791 }
792 if (timeline.getTime() > 0.1) {
793 Bid bid = getNeighborBid(getBestSeedBid());
794 double util = getUtility(bid);
795 if (util >= 0.80 * SAmax) {
796 return preOffer(bid);
797 }
798
799 // Bid bid = getSeedBid();
800 // return getBidHighClimb(bid, 5, 0.80, 0);
801 // return getBidLowSA(bid, 10000,0.98,0.90,0);
802 // Bid bid = getBestBidOpponent();
803 // return getBidHighClimb(bid, 10000,0.98,0.90,0);
804 }
805
806 // System.out.println("t1 : "+Timeline.Type.Time);
807 // System.out.println("t2 : "+timeline.getType());
808 // if (timeline.getType().equals(Timeline.Type.Time)) {
809 // sleep(0.0005);//just for fun
810 // }
811 // return getRandomBid(MINIMUM_BID_UTILITY);
812 // return getMyBid();
813
814 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬‚·‚é
815 // Bid bid = utilitySpace.getDomain().getRandomBid();//
816 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
817
818 } catch (Exception e) {
819 // TODO Auto-generated catch block
820 e.printStackTrace();
821 }
822 // return getBidSA(bid);
823
824 Bid bid = getBestSeedBid();// ’T�õ‚ÌSeedBid‚ðŽæ“¾‚·‚é
825
826 return getBidLowSA(bid, 10000, 0.98, 0.85 * SAmax, 0);
827
828 }
829
830 /**
831 * Accept if the utility of the opponent's is higher than the target
832 * utility; else return a random bid with a utility at least equal to the
833 * target utility.
834 */
835 @Override
836 public Action chooseAction() {// Ž©•ª‚ª‰½‚ð‚·‚é‚©
837 // System.out.println("chooseAction");
838
839 actionType = predictType(false);// Actionƒpƒ^�[ƒ“‚ð•Ï�X‚·‚é
840
841 if (actionType == 1) {
842 return actionType1();// ‹­‹C‚Ì�s“®ƒpƒ^�[ƒ“
843 } else {
844 return actionType2();// Žã‹C‚Ì�s“®ƒpƒ^�[ƒ“
845 }
846
847 }
848
849 public double sigmoid(double x) {
850 // return (Math.exp(3*x)+Math.exp(-5*x))/(Math.exp(3*x)+Math.exp(-x));
851 // return 1.0/(Math.pow(x, 30)+Math.exp(Math.pow(x, 100)));
852 // return -1.0/(1+Math.exp(2/x))+1;
853 // return -4.0/(10+Math.exp(2.0/x))+1;
854
855 //
856 // return
857 // (-1)/(1+Math.exp(-50*(x-1)))+1;//0.9•t‹ß‚©‚ç‹}�~‰º�@
858 return (-1) / (1 + Math.exp(-20 * (x - 1))) + 1;// 0.9•t‹ß‚©‚ç‹}�~‰º�@
859 // return (Math.pow(x,
860 // 16)+Math.exp(10*x-15))/(Math.exp(-x)+Math.exp(x))+1;//x=0.8•t‹ß‚©‚牺‚ª‚è�Ay=0.8‚­‚ç‚¢‚܂ʼnº‚ª‚é
861 // return
862 // Math.sin(x)*Math.cos(x)+Math.exp(-x)-0.05;//�Å�‰ŠÉ‚­�A�Ō㌵‚µ‚­Œ^
863 // double result=
864 // Math.sin(x)*Math.cos(x)+Math.exp(-10*x+Math.log(10*x+0.02))+0.5;//‚Q‚‚̃s�[ƒN‚ðŽ�‚ƒOƒ‰ƒt
865
866 // if(result < 0.8){
867 // return 0.8;
868 // }else{
869 // return result;
870 // }
871 // y=sin({x})|_cdot_cos({x})+exp({-10x+log({10x+0.02})})+0.5
872
873 // return (-1.0)/(1.0+Math.exp(-30.0*x+31))+1;
874 }
875
876 /**
877 * Žü•ÓBid‚ð’T�õ‚·‚é
878 *
879 * @param bid
880 * @return
881 */
882 public Bid getNeighborBid(Bid bid) {
883 try {
884 Random rnd = new Random();
885 int step = 3;
886 for (int i = 0; i < bid.getIssues().size(); i++) {
887 double bf = utilitySpace.getUtility(bid);
888 Bid bidChange = new Bid(bid);
889
890 int flag = rnd.nextBoolean() ? 1 : -1;// 1=> plus , -1 => minus
891 // int change_id = i;
892 int change_id = rnd.nextInt(bid.getIssues().size());// •Ï�X‚·‚é
893 IssueInteger issueInteger = (IssueInteger) bid.getIssues()
894 .get(change_id);
895 int issueId = issueInteger.getNumber();
896 ValueInteger issueValue = (ValueInteger) bid.getValue(issueId);
897 int issueValueInt = Integer.valueOf(issueValue.toString())
898 .intValue();
899 int max = issueInteger.getUpperBound();// �Å‘å’l
900 int min = issueInteger.getLowerBound();// �Å�¬’l
901
902 if (issueValueInt >= min && issueValueInt <= max) {
903
904 if (issueValueInt + step > max) {
905 // ‘«‚·‚Æ–â‘è‚ ‚è
906 flag = -1;
907 } else if (issueValueInt - step < min) {
908 // ˆø‚­‚Æ–â‘è‚ ‚è
909 flag = 1;
910 }
911
912 }
913
914 Value valueInteger = new ValueInteger(
915 issueValueInt + flag * step);// change
916 // value
917
918 bidChange = bidChange.putValue(issueId, valueInteger);// change
919
920 double af = utilitySpace.getUtility(bidChange);
921
922 double bf_cost = 1.0 - bf;
923 double af_cost = 1.0 - af;
924
925 if (af_cost < bf_cost) {
926 bid = new Bid(bidChange);
927 }
928
929 }
930
931 } catch (Exception e) {
932 // TODO Auto-generated catch block
933 e.printStackTrace();
934 }
935 return (bid);
936
937 }
938
939 /**
940 * ‰·“x’á‚ß‚ÌSA
941 *
942 * @param bid
943 * @param T
944 * @return
945 */
946 public Action getBidLowSA(Bid bid, double T, double cool, double bias,
947 int loop_count) {
948
949 // �Ä‚«“Ý‚µ–@
950 // Bid bid = utilitySpace.getDomain().getRandomBid();//
951 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
952 // System.out.println(bid.getValues());
953 int count = 0;
954 try {
955 // T = 10000;
956
957 int step = 1;// •Ï�X‚·‚é•�
958 // double cool = 0.6;// ‰·“x‚ð‰º‚°‚é•�
959 Random rnd = new Random();
960
961 while (T > 0.0001) {
962 boolean ok_flag = false;
963 int ok_count = 0;
964 count++;
965 double bf = utilitySpace.getUtility(bid);
966 Bid bidChange = new Bid(bid);
967
968 // bid change
969
970 int change_id = rnd.nextInt(bid.getIssues().size());// •Ï�X‚·‚é
971 // IssueId‚̃Cƒ“ƒfƒbƒNƒX‚ðŒˆ’è
972 IssueInteger issueInteger = (IssueInteger) bid.getIssues()
973 .get(change_id);
974 int issueId = issueInteger.getNumber();
975 ValueInteger issueValue = (ValueInteger) bid.getValue(issueId);
976 int issueValueInt = Integer.valueOf(issueValue.toString())
977 .intValue();
978 int max = issueInteger.getUpperBound();// �Å‘å’l
979 int min = issueInteger.getLowerBound();// �Å�¬’l
980
981 int flag = rnd.nextBoolean() ? 1 : -1;// 1=> plus , -1 => minus
982 if (issueValueInt >= min && issueValueInt <= max) {
983
984 if (issueValueInt + step > max) {
985 // ‘«‚·‚Æ–â‘è‚ ‚è
986 flag = -1;
987 } else if (issueValueInt - step < min) {
988 // ˆø‚­‚Æ–â‘è‚ ‚è
989 flag = 1;
990 }
991
992 }
993
994 Value valueInteger = new ValueInteger(
995 issueValueInt + flag * step);// change
996 // value
997 bidChange = bidChange.putValue(issueId, valueInteger);// change
998
999 double af = utilitySpace.getUtility(bidChange);
1000
1001 double bf_cost = 1.0 - bf;
1002 double af_cost = 1.0 - af;
1003 // System.out.println("af : "+af);
1004 double p = Math.pow(Math.E, -Math.abs(af_cost - bf_cost) / T);
1005 // System.out.println(" p = "+p);
1006 // System.out.println(" rnd = "+rnd.nextDouble());
1007
1008 // System.out.println(rnd.nextDouble() < p);
1009 if ((af_cost < bf_cost || rnd.nextDouble() < p)
1010 && af <= MINIMUM_BID_UTILITY_OFFER) {
1011 bid = new Bid(bidChange);
1012 if (af >= bias) {// TODO:
1013 // ‚±‚ê‚Å‚¢‚¢‚Ì‚©�H
1014 ok_flag = true;
1015
1016 if (ok_count >= rnd.nextInt(3)) {
1017 ok_count = 0;
1018 ok_flag = false;
1019 // break;
1020 }
1021
1022 }
1023 if (ok_flag) {
1024 ok_count++;
1025 }
1026 }
1027
1028 NumberFormat format = NumberFormat.getInstance();
1029 format.setMaximumFractionDigits(1);
1030
1031 T = T * cool;
1032
1033 }
1034
1035 if (utilitySpace.getUtility(bid) < bias) {
1036 // System.out.println("**reSA");
1037
1038 countReSA = loop_count + 1;
1039 double t_cool = (0.999 - cool) / 20.0;
1040 return getBidLowSA(bid, step, cool + t_cool, bias,
1041 loop_count + 1);
1042 }
1043 } catch (Exception e) {
1044 // TODO Auto-generated catch block
1045 e.printStackTrace();
1046 }
1047 // System.out.println(count);
1048 if (loop_count > 0) {
1049 // System.out.println("loop_count: "+loop_count);
1050 }
1051
1052 return preOffer(bid);
1053 }
1054
1055 public Bid getBidSA(Bid bid, double T, double cool, double bias,
1056 int loop_count) {
1057
1058 // �Ä‚«“Ý‚µ–@
1059 // Bid bid = utilitySpace.getDomain().getRandomBid();//
1060 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
1061 // System.out.println(bid.getValues());
1062 int count = 0;
1063 try {
1064 // T = 10000;
1065
1066 int step = 1;// •Ï�X‚·‚é•�
1067 // double cool = 0.6;// ‰·“x‚ð‰º‚°‚é•�
1068 Random rnd = new Random();
1069
1070 while (T > 0.0001) {
1071 boolean ok_flag = false;
1072 int ok_count = 0;
1073 count++;
1074 double bf = utilitySpace.getUtility(bid);
1075 Bid bidChange = new Bid(bid);
1076
1077 // bid change
1078
1079 int change_id = rnd.nextInt(bid.getIssues().size());// •Ï�X‚·‚é
1080 // IssueId‚̃Cƒ“ƒfƒbƒNƒX‚ðŒˆ’è
1081 IssueInteger issueInteger = (IssueInteger) bid.getIssues()
1082 .get(change_id);
1083 int issueId = issueInteger.getNumber();
1084 ValueInteger issueValue = (ValueInteger) bid.getValue(issueId);
1085 int issueValueInt = Integer.valueOf(issueValue.toString())
1086 .intValue();
1087 int max = issueInteger.getUpperBound();// �Å‘å’l
1088 int min = issueInteger.getLowerBound();// �Å�¬’l
1089
1090 int flag = rnd.nextBoolean() ? 1 : -1;// 1=> plus , -1 => minus
1091 if (issueValueInt >= min && issueValueInt <= max) {
1092
1093 if (issueValueInt + step > max) {
1094 // ‘«‚·‚Æ–â‘è‚ ‚è
1095 flag = -1;
1096 } else if (issueValueInt - step < min) {
1097 // ˆø‚­‚Æ–â‘è‚ ‚è
1098 flag = 1;
1099 }
1100
1101 }
1102
1103 Value valueInteger = new ValueInteger(
1104 issueValueInt + flag * step);// change
1105 // value
1106 bidChange = bidChange.putValue(issueId, valueInteger);// change
1107
1108 double af = utilitySpace.getUtility(bidChange);
1109
1110 double bf_cost = 1.0 - bf;
1111 double af_cost = 1.0 - af;
1112 // System.out.println("af : "+af);
1113 double p = Math.pow(Math.E, -Math.abs(af_cost - bf_cost) / T);
1114 // System.out.println(" p = "+p);
1115 // System.out.println(" rnd = "+rnd.nextDouble());
1116
1117 // System.out.println(rnd.nextDouble() < p);
1118 if ((af_cost < bf_cost || rnd.nextDouble() < p)
1119 && af <= MINIMUM_BID_UTILITY_OFFER) {
1120 bid = new Bid(bidChange);
1121 if (af >= bias) {// TODO:
1122 // ‚±‚ê‚Å‚¢‚¢‚Ì‚©�H
1123 ok_flag = true;
1124
1125 if (ok_count >= rnd.nextInt(3)) {
1126 ok_count = 0;
1127 ok_flag = false;
1128 // break;
1129 }
1130
1131 }
1132 if (ok_flag) {
1133 ok_count++;
1134 }
1135 }
1136
1137 NumberFormat format = NumberFormat.getInstance();
1138 format.setMaximumFractionDigits(1);
1139
1140 T = T * cool;
1141
1142 }
1143
1144 if (utilitySpace.getUtility(bid) < bias) {
1145 // System.out.println("**reSA");
1146
1147 countReSA = loop_count + 1;
1148 if (loop_count >= 10) {
1149 return bid;
1150 }
1151 double t_cool = (0.999 - cool) / 20.0;
1152 return getBidSA(bid, step, cool + t_cool, bias, loop_count + 1);
1153 }
1154 } catch (Exception e) {
1155 // TODO Auto-generated catch block
1156 e.printStackTrace();
1157 }
1158 // System.out.println(count);
1159 if (loop_count > 0) {
1160 // System.out.println("loop_count: "+loop_count);
1161 }
1162
1163 return (bid);
1164 }
1165
1166 /**
1167 * ‰ü—Ç”Å�Ä‚«‚È‚Ü‚µ�•ŽR“o‚è–@
1168 *
1169 * @param bid
1170 * @return
1171 */
1172 public Action getBidHighClimb(Bid bid, int loop, double bias,
1173 int loop_count) {
1174 try {
1175 // T = 10000;
1176
1177 int count = 0;
1178 int step = 1;// •Ï�X‚·‚é•�
1179 // double cool = 0.6;// ‰·“x‚ð‰º‚°‚é•�
1180 Random rnd = new Random();
1181
1182 while (loop > count) {
1183 boolean ok_flag = false;
1184 int ok_count = 0;
1185 count++;
1186 double bf = utilitySpace.getUtility(bid);
1187 Bid bidChange = new Bid(bid);
1188
1189 // bid change
1190
1191 int change_id = rnd.nextInt(bid.getIssues().size());// •Ï�X‚·‚é
1192 // IssueId‚̃Cƒ“ƒfƒbƒNƒX‚ðŒˆ’è
1193 IssueInteger issueInteger = (IssueInteger) bid.getIssues()
1194 .get(change_id);
1195 int issueId = issueInteger.getNumber();
1196 ValueInteger issueValue = (ValueInteger) bid.getValue(issueId);
1197 int issueValueInt = Integer.valueOf(issueValue.toString())
1198 .intValue();
1199 int max = issueInteger.getUpperBound();// �Å‘å’l
1200 int min = issueInteger.getLowerBound();// �Å�¬’l
1201
1202 int flag = rnd.nextBoolean() ? 1 : -1;// 1=> plus , -1 => minus
1203 if (issueValueInt >= min && issueValueInt <= max) {
1204
1205 if (issueValueInt + step > max) {
1206 // ‘«‚·‚Æ–â‘è‚ ‚è
1207 flag = -1;
1208 } else if (issueValueInt - step < min) {
1209 // ˆø‚­‚Æ–â‘è‚ ‚è
1210 flag = 1;
1211 }
1212
1213 }
1214
1215 Value valueInteger = new ValueInteger(
1216 issueValueInt + flag * step);// change
1217 // value
1218 bidChange = bidChange.putValue(issueId, valueInteger);// change
1219
1220 double af = utilitySpace.getUtility(bidChange);
1221
1222 double bf_cost = 1.0 - bf;
1223 double af_cost = 1.0 - af;
1224 // System.out.println("af : "+af);
1225 // double p = Math.pow(Math.E, -Math.abs(af_cost - bf_cost) /
1226 // T);
1227 // System.out.println(" p = "+p);
1228 // System.out.println(" rnd = "+rnd.nextDouble());
1229 if ((af_cost < bf_cost) && af <= MINIMUM_BID_UTILITY_OFFER) {
1230 // count++;
1231 bid = new Bid(bidChange);
1232 if (af >= bias) {// TODO:
1233 // ‚±‚ê‚Å‚¢‚¢‚Ì‚©�H
1234 ok_flag = true;
1235
1236 if (ok_count >= rnd.nextInt(3)) {
1237 ok_count = 0;
1238 ok_flag = false;
1239 // break;
1240 }
1241
1242 }
1243 if (ok_flag) {
1244 ok_count++;
1245 }
1246 }
1247
1248 NumberFormat format = NumberFormat.getInstance();
1249 format.setMaximumFractionDigits(1);
1250
1251 // T = T * cool;
1252
1253 }
1254
1255 if (utilitySpace.getUtility(bid) < bias) {
1256 // System.out.println("**reSA");
1257
1258 countReSA = loop_count + 1;
1259 // double t_cool = (0.999 - cool)/20.0;
1260 if (loop_count > 5) {
1261
1262 return getBidLowSA(bid, 10000, 0.98, bias, loop_count);
1263 }
1264 // System.out.println("**"+ loop_count);
1265 return getBidHighClimb(bid, loop, bias, loop_count + 1);
1266 }
1267 } catch (Exception e) {
1268 // TODO Auto-generated catch block
1269 e.printStackTrace();
1270 }
1271 // System.out.println(count);
1272 if (loop_count > 0) {
1273 // System.out.println("loop_count: "+loop_count);
1274 }
1275
1276 return preOffer(bid);
1277 }
1278
1279 /**
1280 * SA–@‚É‚æ‚éBid‚Ì’T�õƒ�ƒ\ƒbƒh
1281 *
1282 * @param bid
1283 * Ží‚Æ‚È‚éBid
1284 * @return
1285 */
1286 public Bid getBidSA(Bid bid) {
1287
1288 // �Ä‚«“Ý‚µ–@
1289 // Bid bid = utilitySpace.getDomain().getRandomBid();//
1290 // ƒ‰ƒ“ƒ_ƒ€‚ÉBid‚ð�¶�¬
1291 // System.out.println(bid.getValues());
1292
1293 try {
1294
1295 double T = 10000;// 10000
1296 int step = 1;// •Ï�X‚·‚é•�
1297 double cool = 0.999;// ‰·“x‚ð‰º‚°‚é•�
1298 Random rnd = new Random();
1299
1300 while (T > 0.0001) {
1301 double bf = utilitySpace.getUtility(bid);
1302 Bid bidChange = new Bid(bid);
1303
1304 // bid change
1305
1306 int change_id = rnd.nextInt(bid.getIssues().size());// •Ï�X‚·‚é
1307 // IssueId‚̃Cƒ“ƒfƒbƒNƒX‚ðŒˆ’è
1308 IssueInteger issueInteger = (IssueInteger) bid.getIssues()
1309 .get(change_id);
1310 int issueId = issueInteger.getNumber();
1311 ValueInteger issueValue = (ValueInteger) bid.getValue(issueId);
1312 int issueValueInt = Integer.valueOf(issueValue.toString())
1313 .intValue();
1314 int max = issueInteger.getUpperBound();// �Å‘å’l
1315 int min = issueInteger.getLowerBound();// �Å�¬’l
1316
1317 int flag = rnd.nextBoolean() ? 1 : -1;// 1=> plus , -1 => minus
1318 if (issueValueInt >= min && issueValueInt <= max) {
1319
1320 if (issueValueInt + step > max) {
1321 // ‘«‚·‚Æ–â‘è‚ ‚è
1322 flag = -1;
1323 } else if (issueValueInt - step < min) {
1324 // ˆø‚­‚Æ–â‘è‚ ‚è
1325 flag = 1;
1326 }
1327
1328 }
1329
1330 Value valueInteger = new ValueInteger(
1331 issueValueInt + flag * step);// change
1332 // value
1333 bidChange = bidChange.putValue(issueId, valueInteger);// change
1334
1335 double af = utilitySpace.getUtility(bidChange);
1336
1337 double bf_cost = 1.0 - bf;
1338 double af_cost = 1.0 - af;
1339
1340 double p = Math.pow(Math.E, -Math.abs(af_cost - bf_cost) / T);
1341 // System.out.println(" p = "+p);
1342 // System.out.println(" rnd = "+rnd.nextDouble());
1343 if ((af_cost < bf_cost || rnd.nextDouble() < p)
1344 && af <= MINIMUM_BID_UTILITY_OFFER) {
1345 bid = new Bid(bidChange);
1346 }
1347 NumberFormat format = NumberFormat.getInstance();
1348 format.setMaximumFractionDigits(1);
1349
1350 T = T * cool;
1351
1352 }
1353
1354 } catch (Exception e) {
1355 // TODO Auto-generated catch block
1356 e.printStackTrace();
1357 }
1358
1359 // String saveValue = "";
1360 // for (Entry<Integer, Value> e : bid.getValues().entrySet()) {
1361 // // System.out.println(" e: "+ e.getValue());
1362 // saveValue += e.getValue().toString();
1363 // }
1364
1365 // System.out.println("e:"+saveValue);
1366
1367 // if(new Double(format.format(af)) == 1){
1368
1369 // if (!bidList10.contains(saveValue)) {
1370 // bidList10.add(saveValue);
1371 // System.out.println(bidList10.size());
1372 // } else {
1373 // System.out.println("ERRRRRORRORORRORRORORORO");
1374 // }
1375 // }
1376 return (bid);
1377 }
1378
1379 @Override
1380 public String getDescription() {
1381 return "ANAC2014 compatible with non-linear utility spaces";
1382 }
1383
1384}
1385
1386class WhaleSessionData implements Serializable {
1387 Bid accesptedBid;
1388 double acceptTime;
1389 double getUtil;
1390 double sumUtil;
1391 int actionType;
1392 ArrayList<Bid> bidLists;
1393 Bid offeredBid;
1394 boolean isAgreement;
1395
1396 public WhaleSessionData(Bid accesptedBid, Bid offeredBid, double getUtil,
1397 boolean isAgreement, ArrayList<Bid> bidLists, double sumUtil,
1398 int actionType) {
1399 this.accesptedBid = accesptedBid;
1400 this.offeredBid = offeredBid;
1401 this.getUtil = getUtil;
1402 this.isAgreement = isAgreement;
1403 this.bidLists = bidLists;
1404 this.sumUtil = sumUtil;
1405 this.actionType = actionType;
1406 }
1407}
1408
1409//
1410// class WhaleSessionDataAll implements Serializable{
1411// ArrayList<WhaleSessionData> All;
1412// public WhaleSessionDataAll(WhaleSessionData add){
1413// this.All.add(add);
1414// }
1415//
1416// public void add(WhaleSessionData add) {
1417// this.All.add(add);
1418// }
1419// public WhaleSessionData get(int index){
1420// return this.All.get(index);
1421// }
1422//
1423// }
1424/**
1425 * Map ‚Ì value
1426 * ‚Ń\�[ƒg‚·‚邽‚ß‚Ì”äŠr‚̃Nƒ‰ƒX
1427 */
1428class MapComparator implements Comparator<Bid> {
1429 private HashMap<Bid, Double> map;
1430
1431 public MapComparator(HashMap<Bid, Double> map) {
1432 this.map = map;
1433 }
1434
1435 /**
1436 * key 2‚‚ª—^‚¦‚ç‚ꂽ‚Æ‚«‚É�A‚»‚Ì
1437 * value ‚Å”äŠr
1438 */
1439 @Override
1440 public int compare(Bid key1, Bid key2) {
1441 // value ‚ðŽæ“¾
1442 double value1 = map.get(key1);
1443 double value2 = map.get(key2);
1444 // value ‚Ì�~�‡, value‚ª“™‚µ‚¢‚Æ‚«‚Í key
1445 // ‚ÌŽ«�‘�‡
1446 if (value1 == value2)
1447 return 1;
1448 else if (value1 < value2)
1449 return 1;
1450 else
1451 return -1;
1452 }
1453}
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