/**
* AHPによる提案の評価値を取得
*
* @param Bid 予測対象提案
* @return double 予測評価値(効用値)
*/
private double getAHPEvaluation(Bid targetBid) {
double utility = 0.0;
if (targetBid != null && isEstimated(partyNum)) {
for (int i = 1; i <= issueNum; i++) {
try {
// 合算した効用空間から効用を取得
String valName = targetBid.getValue(i).toString();
utility += (addupValueHash[i - 1].get(valName) * addupWeightArray[i - 1]);
} catch (Exception e) {
System.out.println("getValue Error !\n");
}
;
}
}
return utility;
}
/**
* 自分以外の参加者の効用値予測を取得
*
* @param String 参加者名
* @param Bid 予測対象提案
* @return double 予測効用値
*/
private double getTargetUtility(String name, Bid targetBid) {
int partyID = getSenderID(name);
double utility = 0.0;
if (targetBid != null && partyID >= 0) {
for (int i = 1; i <= issueNum; i++) {
try {
// 相手の提案を元に予測効用空間から効用を取得し重み掛けて加算
String valName = targetBid.getValue(i).toString();
utility +=
(logBidValueHash[partyID][i - 1].get(valName) * issueWeightArray[partyID][i - 1]);
} catch (Exception e) {
System.out.println("getValue Error !\n");
}
;
}
}
return utility;
}
/** This function updates the statistics of the bids that were received from the opponent. */
private void updateStatistics(Bid bidToUpdate, boolean toRemove, Domain domain) {
try {
ArrayList<Issue> issues = domain.getIssues();
// counters for each type of the issues
int realIndex = 0;
int discreteIndex = 0;
int integerIndex = 0;
for (Issue lIssue : issues) {
int issueNum = lIssue.getNumber();
Value v = bidToUpdate.getValue(issueNum);
switch (lIssue.getType()) {
case DISCRETE:
if (opponentBidsStatisticsDiscrete == null) {
System.out.println("opponentBidsStatisticsDiscrete is NULL");
} else if (opponentBidsStatisticsDiscrete.get(discreteIndex) != null) {
int counterPerValue = opponentBidsStatisticsDiscrete.get(discreteIndex).get(v);
if (toRemove) {
counterPerValue--;
} else {
counterPerValue++;
}
opponentBidsStatisticsDiscrete.get(discreteIndex).put(v, counterPerValue);
}
discreteIndex++;
break;
case REAL:
IssueReal lIssueReal = (IssueReal) lIssue;
int lNumOfPossibleRealValues = lIssueReal.getNumberOfDiscretizationSteps();
double lOneStep =
(lIssueReal.getUpperBound() - lIssueReal.getLowerBound())
/ lNumOfPossibleRealValues;
double first = lIssueReal.getLowerBound();
double last = lIssueReal.getLowerBound() + lOneStep;
double valueReal = ((ValueReal) v).getValue();
boolean found = false;
for (int i = 0;
!found && i < opponentBidsStatisticsForReal.get(realIndex).size();
i++) {
if (valueReal >= first && valueReal <= last) {
int countPerValue = opponentBidsStatisticsForReal.get(realIndex).get(i);
if (toRemove) {
countPerValue--;
} else {
countPerValue++;
}
opponentBidsStatisticsForReal.get(realIndex).set(i, countPerValue);
found = true;
}
first = last;
last = last + lOneStep;
}
// If no matching value was found, update the last cell
if (found == false) {
int i = opponentBidsStatisticsForReal.get(realIndex).size() - 1;
int countPerValue = opponentBidsStatisticsForReal.get(realIndex).get(i);
if (toRemove) {
countPerValue--;
} else {
countPerValue++;
}
opponentBidsStatisticsForReal.get(realIndex).set(i, countPerValue);
}
realIndex++;
break;
case INTEGER:
IssueInteger lIssueInteger = (IssueInteger) lIssue;
int valueInteger = ((ValueInteger) v).getValue();
int valueIndex =
valueInteger
- lIssueInteger
.getLowerBound(); // For ex. LowerBound index is 0, and the lower bound is
// 2, the value is 4, so the index of 4 would be 2 which
// is exactly 4-2
int countPerValue = opponentBidsStatisticsForInteger.get(integerIndex).get(valueIndex);
if (toRemove) {
countPerValue--;
} else {
countPerValue++;
}
opponentBidsStatisticsForInteger.get(integerIndex).set(valueIndex, countPerValue);
integerIndex++;
break;
}
}
} catch (Exception e) {
System.out.println("Exception in updateStatistics: " + e.getMessage());
}
}