source: anac2020/AhBuNeAgent/src/main/java/negotiator/ahbuneagent/AhBuNeAgent.java@ 3

Last change on this file since 3 was 1, checked in by wouter, 4 years ago

#1910 added anac2020 parties
File size: 13.7 KB
Line 
1package negotiator.ahbuneagent;
2
3import geniusweb.actions.*;
4import geniusweb.bidspace.AllBidsList;
5import geniusweb.issuevalue.Bid;
6import geniusweb.party.Capabilities;
7import geniusweb.party.DefaultParty;
8import geniusweb.party.inform.*;
9import geniusweb.profile.FullOrdering;
10import geniusweb.profile.PartialOrdering;
11import geniusweb.profileconnection.ProfileConnectionFactory;
12import geniusweb.profileconnection.ProfileInterface;
13import geniusweb.progress.Progress;
14import geniusweb.progress.ProgressRounds;
15import negotiator.ahbuneagent.impmap.SimilarityMap;
16import negotiator.ahbuneagent.impmap.OppSimilarityMap;
17import negotiator.ahbuneagent.linearorder.OppSimpleLinearOrdering;
18import negotiator.ahbuneagent.linearorder.SimpleLinearOrdering;
19import tudelft.utilities.logging.Reporter;
20
21import javax.websocket.DeploymentException;
22import java.io.IOException;
23import java.math.BigDecimal;
24import java.math.BigInteger;
25import java.util.*;
26import java.util.logging.Level;
27
28import static java.lang.Math.*;
29
30public class AhBuNeAgent extends DefaultParty {
31
32 private final Random random = new Random();
33
34 private int ourNumFirstBids;
35 private int ourNumLastBids;
36 private int oppNumFirstBids;
37 private int ourKnownBidNum = 0;
38 private int oppKnownBidNum = 0;
39
40
41 protected ProfileInterface profileInterface;
42 private PartyId partyId;
43 private Progress progress;
44 private double time = 0.0;
45
46 private AllBidsList allPossibleBids;
47 private BigInteger allPossibleBidsSize;
48 private SimpleLinearOrdering ourLinearPartialOrdering = null;
49 private OppSimpleLinearOrdering oppLinearPartialOrdering = null;
50 private SimilarityMap ourSimilarityMap = null;
51 private OppSimilarityMap oppSimilarityMap = null;
52
53 private Bid lastReceivedBid = null;
54 private double utilityLowerBound = 1.0;
55 private final double ourMaxCompromise = 0.1;
56
57 // Initially no loss
58 private double lostElicitScore = 0.00;
59 //Set default as 0.01 by Genius Framework
60 private double elicitationCost = 0.01;
61 private final BigDecimal maxElicitationLost = new BigDecimal("0.05");
62 private int leftElicitationNumber = 0;
63 Bid elicitationBid = null;
64 ArrayList<Map.Entry<Bid, Integer>> mostCompromisedBids = new ArrayList<>();
65 ArrayList<Bid> oppElicitatedBid = new ArrayList<>();
66 private Bid reservationBid = null;
67
68 public AhBuNeAgent() {
69 }
70
71 public AhBuNeAgent(Reporter reporter) {
72 super(reporter);
73 }
74
75 @Override
76 public Capabilities getCapabilities() {
77 return new Capabilities(new HashSet<>(Arrays.asList("SHAOP", "SAOP")));
78 }
79
80 @Override
81 public String getDescription() {
82 return "AhBuNe Agent";
83 }
84
85 @Override
86 public void notifyChange(Inform info) {
87 try {
88 if (info instanceof Settings) {
89 Settings settings = (Settings) info;
90 init(settings);
91 } else if (info instanceof ActionDone) {
92 Action lastReceivedAction = ((ActionDone) info).getAction();
93 if (lastReceivedAction instanceof Offer) {
94 lastReceivedBid = ((Offer) lastReceivedAction).getBid();
95 } else if (lastReceivedAction instanceof Comparison) {
96 ourLinearPartialOrdering = ourLinearPartialOrdering.with(((Comparison) lastReceivedAction).getBid(), ((Comparison) lastReceivedAction).getWorse());
97 myTurn();
98 }
99 } else if (info instanceof YourTurn) {
100 if (progress instanceof ProgressRounds) {
101 progress = ((ProgressRounds) progress).advance();
102 }
103 myTurn();
104 } else if (info instanceof Finished) {
105 }
106 } catch (Exception exception) {
107 throw new RuntimeException("Failed to handle info", exception);
108 }
109 }
110
111 private void init(Settings settings) throws IOException, DeploymentException {
112 this.partyId = settings.getID();
113 this.progress = settings.getProgress();
114 this.profileInterface = ProfileConnectionFactory.create(settings.getProfile().getURI(), getReporter());
115
116 if (profileInterface.getProfile() instanceof FullOrdering) {
117 throw new UnsupportedOperationException("Only <DefaultPartialOrdering> is supported");
118 } else if (profileInterface.getProfile() instanceof PartialOrdering) {
119 PartialOrdering partialProfile = (PartialOrdering) profileInterface.getProfile();
120 this.allPossibleBids = new AllBidsList(partialProfile.getDomain());
121 this.allPossibleBidsSize = allPossibleBids.size();
122 this.ourSimilarityMap = new SimilarityMap(partialProfile);
123 this.oppSimilarityMap = new OppSimilarityMap(partialProfile);
124 this.ourLinearPartialOrdering = new SimpleLinearOrdering(profileInterface.getProfile());
125 this.oppLinearPartialOrdering = new OppSimpleLinearOrdering();
126 this.ourSimilarityMap.update(ourLinearPartialOrdering);
127 getReservationRatio();
128 getElicitationCost(settings);
129 } else {
130 throw new UnsupportedOperationException("Only <DefaultPartialOrdering> is supported");
131 }
132
133 }
134
135 private Action selectAction() {
136 if (doWeMakeElicitation()) {
137 lostElicitScore += elicitationCost;
138 leftElicitationNumber -= 1;
139 return new ElicitComparison(partyId, elicitationBid, ourLinearPartialOrdering.getBids());
140 }
141
142 if (lastReceivedBid == null) {
143 return makeAnOffer();
144 }
145 if (doWeEndTheNegotiation()) {
146 return new EndNegotiation(partyId);
147 } else if (doWeAccept(lastReceivedBid)) {
148 return new Accept(partyId, lastReceivedBid);
149 }
150 return makeAnOffer();
151
152 }
153
154 private void myTurn() throws IOException {
155 time = progress.get(System.currentTimeMillis());
156 strategySelection();
157 Action action = selectAction();
158 getConnection().send(action);
159 }
160
161 private boolean doWeEndTheNegotiation() {
162 if (reservationBid != null && ourSimilarityMap.isCompatibleWithSimilarity(reservationBid, ourNumFirstBids, ourNumLastBids, 0.9 - time * 0.1)) {
163 return true;
164 }
165 return false;
166 }
167
168 private Bid elicitationRandomBidGenerator() {
169 Bid foundBid = allPossibleBids.get(random.nextInt(allPossibleBids.size().intValue()));
170 while (ourLinearPartialOrdering.getBids().contains(foundBid)) {
171 foundBid = allPossibleBids.get(random.nextInt(allPossibleBids.size().intValue()));
172 }
173 return foundBid;
174 }
175
176 private Action makeAnOffer() {
177 if (time > 0.96) {
178 for (int i = ourLinearPartialOrdering.getKnownBidsSize() - 1; i >= 0; i--) {
179 Bid testBid = ourLinearPartialOrdering.getBidByIndex(i);
180 if (oppElicitatedBid.contains(testBid) && doWeAccept(testBid)) {
181 return new Offer(partyId, testBid);
182 }
183 }
184 }
185 Bid oppMaxBid = oppLinearPartialOrdering.getMaxBid();
186 Bid ourOffer = ourSimilarityMap.findBidCompatibleWithSimilarity(ourNumFirstBids, ourNumLastBids, utilityLowerBound, oppMaxBid);
187 if (time < 0.015) {
188 if (oppLinearPartialOrdering.isAvailable()) {
189 int count = 0;
190 while (count < 500 && !oppSimilarityMap.isCompromised(ourOffer, oppNumFirstBids, 0.85) && ourOffer.equals(ourLinearPartialOrdering.getMaxBid())) {
191 ourOffer = ourSimilarityMap.findBidCompatibleWithSimilarity(ourNumFirstBids, ourNumLastBids, 0.85, oppMaxBid);
192 count++;
193 }
194 } else {
195 int count = 0;
196 while (count < 500 && ourOffer.equals(ourLinearPartialOrdering.getMaxBid())) {
197 ourOffer = ourSimilarityMap.findBidCompatibleWithSimilarity(ourNumFirstBids, ourNumLastBids, 0.85, oppMaxBid);
198 count++;
199 }
200 }
201 } else if (lastReceivedBid != null) {
202 if (ourSimilarityMap.isCompatibleWithSimilarity(lastReceivedBid, ourNumFirstBids, ourNumLastBids, 0.9)) {
203 return new Offer(partyId, lastReceivedBid);
204 }
205 if (ourSimilarityMap.isCompatibleWithSimilarity(oppMaxBid, ourNumFirstBids, ourNumLastBids, 0.9)) {
206 return new Offer(partyId, oppMaxBid);
207 }
208 int count = 0;
209 while (count < 500 && oppLinearPartialOrdering.isAvailable() && !oppSimilarityMap.isCompromised(ourOffer, oppNumFirstBids, utilityLowerBound)) {
210 ourOffer = ourSimilarityMap.findBidCompatibleWithSimilarity(ourNumFirstBids, ourNumLastBids, utilityLowerBound, oppMaxBid);
211 }
212 }
213 return new Offer(partyId, ourOffer);
214 }
215
216
217 private boolean doWeAccept(Bid bid) {
218 if (ourSimilarityMap.isCompatibleWithSimilarity(bid, ourNumFirstBids, ourNumLastBids, 0.9)) {
219 return true;
220 }
221
222 double startUtilitySearch = utilityLowerBound;
223
224 if (time >= 0.98) {
225 startUtilitySearch = utilityLowerBound - ourMaxCompromise;
226 }
227
228 if (oppLinearPartialOrdering.isAvailable()) {
229 for (int i = (int) (startUtilitySearch * 100); i <= 95; i += 5) {
230 double utilityTest = (double) i / 100.0;
231 if (oppSimilarityMap.isCompromised(bid, oppNumFirstBids, utilityTest)) {
232 if (ourSimilarityMap.isCompatibleWithSimilarity(bid, ourNumFirstBids, ourNumLastBids, utilityTest)) {
233 return true;
234 }
235 break;
236 }
237 }
238 }
239 return false;
240 }
241
242 private boolean doWeMakeElicitation() {
243 if (leftElicitationNumber == 0) {
244 return false;
245 }
246 if (allPossibleBidsSize.intValue() <= 100) {
247 if (ourLinearPartialOrdering.getKnownBidsSize() < allPossibleBidsSize.intValue() * 0.1) {
248 elicitationBid = elicitationRandomBidGenerator();
249 return true;
250 }
251 } else if (ourLinearPartialOrdering.getKnownBidsSize() < 10) {
252 elicitationBid = elicitationRandomBidGenerator();
253 return true;
254 } else if (time > 0.98 && oppLinearPartialOrdering.isAvailable()) {
255 if (mostCompromisedBids.size() > 0) {
256 elicitationBid = mostCompromisedBids.remove(mostCompromisedBids.size() - 1).getKey();
257 oppElicitatedBid.add(elicitationBid);
258 return true;
259 } else {
260 LinkedHashMap<Bid, Integer> mostCompromisedBidsHash = oppSimilarityMap.mostCompromisedBids();
261 Set<Map.Entry<Bid, Integer>> sortedCompromiseMapSet = mostCompromisedBidsHash.entrySet();
262 mostCompromisedBids = new ArrayList<>(sortedCompromiseMapSet);
263 elicitationBid = mostCompromisedBids.remove(mostCompromisedBids.size() - 1).getKey();
264 oppElicitatedBid.add(elicitationBid);
265 return true;
266 }
267 }
268 return false;
269 }
270
271 private void strategySelection() {
272 utilityLowerBound = getUtilityLowerBound(time, lostElicitScore);
273 ourKnownBidNum = ourLinearPartialOrdering.getKnownBidsSize();
274 oppKnownBidNum = oppLinearPartialOrdering.getKnownBidsSize();
275 ourNumFirstBids = getNumFirst(utilityLowerBound, ourKnownBidNum);
276 ourNumLastBids = getNumLast(utilityLowerBound, getUtilityLowerBound(1.0, lostElicitScore), ourKnownBidNum);
277 if (lastReceivedBid != null) {
278 oppLinearPartialOrdering.updateBid(lastReceivedBid);
279 oppSimilarityMap.update(oppLinearPartialOrdering);
280 oppNumFirstBids = getOppNumFirst(utilityLowerBound, oppKnownBidNum);
281 }
282 }
283
284 private void getElicitationCost(Settings settings) {
285 try {
286 elicitationCost = Double.parseDouble(settings.getParameters().get("elicitationcost").toString());
287 leftElicitationNumber = (int) (maxElicitationLost.doubleValue() / elicitationCost);
288 reporter.log(Level.INFO, "leftElicitationNumber: " + leftElicitationNumber);
289 } catch (Exception e) {
290 elicitationCost = 0.01;
291 leftElicitationNumber = (int) (maxElicitationLost.doubleValue() / elicitationCost);
292 reporter.log(Level.INFO, "catch leftElicitationNumber: " + leftElicitationNumber);
293 }
294 }
295
296 private void getReservationRatio() {
297 try {
298 reservationBid = profileInterface.getProfile().getReservationBid();
299 } catch (Exception e) {
300 reservationBid = null;
301 }
302 }
303
304 double getUtilityLowerBound(double time, double lostElicitScore) {
305 if (time < 0.5) {
306 return -pow((time - 0.25), 2) + 0.9 + lostElicitScore;
307 } else if (time < 0.7) {
308 return -pow((1.5 * (time - 0.7)), 2) + 0.9 + lostElicitScore;
309 }
310 return (3.25 * time * time) - (6.155 * time) + 3.6105 + lostElicitScore;
311 }
312
313 int getNumFirst(double utilityLowerBound, int knownBidNum) {
314 return ((int) (knownBidNum * (1 - utilityLowerBound)) + 1);
315 }
316
317 int getNumLast(double utilityLowerBound, double minUtilityLowerBound, int ourKnownBidNum) {
318 return ((int) (ourKnownBidNum * (1 - minUtilityLowerBound)) - (int) (ourKnownBidNum * (1 - utilityLowerBound)) + 1);
319 }
320
321 int getOppNumFirst(double utilityLowerBound, int oppKnownBidNum) {
322 return ((int) (oppKnownBidNum * (1 - utilityLowerBound)) + 1);
323 }
324}
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