[1] | 1 | package agents.anac.y2015.AgentW;
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| 2 |
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| 3 | import java.util.ArrayList;
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| 4 |
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| 5 | import genius.core.Bid;
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| 6 | import genius.core.utility.AdditiveUtilitySpace;
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| 7 |
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| 8 | public class strategy {
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| 9 | private AdditiveUtilitySpace utilitySpace;
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| 10 | private negotiatingInfo negotiatingInfo;
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| 11 |
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| 12 | private double df = 0.0; // 割引係数
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| 13 | private double rv = 0.0; // 留保価格
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| 14 |
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| 15 | public strategy(AdditiveUtilitySpace utilitySpace, negotiatingInfo negotiatingInfo) {
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| 16 | this.utilitySpace = utilitySpace;
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| 17 | this.negotiatingInfo = negotiatingInfo;
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| 18 | df = utilitySpace.getDiscountFactor();
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| 19 | rv = utilitySpace.getReservationValue();
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| 20 | }
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| 21 |
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| 22 | // 受容判定
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| 23 | public boolean selectAccept(Bid offeredBid, double time) {
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| 24 | try {
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| 25 | double offeredBidUtil = utilitySpace.getUtility(offeredBid);
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| 26 | if(offeredBidUtil >= getThreshold(time)){ return true; }
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| 27 | else{ return false; }
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| 28 | } catch (Exception e) {
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| 29 | System.out.println("受容判定に失敗しました");
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| 30 | e.printStackTrace();
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| 31 | return false;
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| 32 | }
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| 33 | }
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| 34 |
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| 35 | // 交渉終了判定
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| 36 | public boolean selectEndNegotiation(double time) {
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| 37 | return false;
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| 38 | }
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| 39 |
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| 40 | // 閾値を返す
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| 41 | public double getThreshold(double time) {
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| 42 |
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| 43 | int negonum = negotiatingInfo.getNegotiatorNum();
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| 44 |
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| 45 | double ou[] = new double[negonum];
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| 46 | double avarage = 0;
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| 47 |
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| 48 | //System.out.println("nego :"+ou.length);
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| 49 |
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| 50 | if(negotiatingInfo.getOpponents().size()!=0){
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| 51 | for(int i=0;i<negotiatingInfo.getOpponents().size();i++){
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| 52 |
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| 53 | //System.out.println(negotiatingInfo.getOpponents().get(i));
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| 54 | //System.out.println("差:"+negotiatingInfo.getgap(negotiatingInfo.getOpponents().get(i)));
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| 55 |
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| 56 | ou[i] = 4*negotiatingInfo.getgap(negotiatingInfo.getOpponents().get(i));
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| 57 | ou[i] = ou[i] + 3*negotiatingInfo.getgapn(negotiatingInfo.getOpponents().get(i),1);
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| 58 | ou[i] = ou[i] + 2*negotiatingInfo.getgapn(negotiatingInfo.getOpponents().get(i),2);
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| 59 | ou[i] = ou[i] + negotiatingInfo.getgapn(negotiatingInfo.getOpponents().get(i),3);
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| 60 |
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| 61 | ou[i] = ou[i]/10;
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| 62 | avarage = avarage + ou[i];
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| 63 | }
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| 64 |
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| 65 | avarage = avarage / (negonum-1);
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| 66 | }
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| 67 |
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| 68 | double e = 0.3;
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| 69 |
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| 70 | //double threshold = 1.0 - time;
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| 71 | double threshold = 1.0 - Math.pow(time,1/e);
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| 72 |
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| 73 | if ((threshold - avarage > 0)&&(threshold - avarage < 1)){
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| 74 | threshold = threshold - avarage;
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| 75 | }
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| 76 |
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| 77 | /* 交渉戦略に基づきthreshold(t)を設計する */
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| 78 | /* negotiatingInfoから提案履歴の統計情報を取得できるので使っても良い */
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| 79 | /* 例:
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| 80 | ArrayList<Object> opponents = negotiatingInfo.getOpponents();
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| 81 | for(Object sender:opponents){
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| 82 | double m = negotiatingInfo.getAverage(sender);
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| 83 | double v = negotiatingInfo.getVariancer(sender);
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| 84 | double sd = negotiatingInfo.getStandardDeviation(sender);
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| 85 | }
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| 86 | */
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| 87 |
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| 88 | return threshold;
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| 89 | }
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| 90 |
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| 91 | }
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