[316] | 1 | package bargainingchips.utilityfunctions;
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[315] | 2 |
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[316] | 3 | import bargainingchips.Bundle;
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| 4 | import bargainingchips.Stack;
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[315] | 5 |
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| 6 |
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| 7 | /**
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| 8 | * If p1 percent of the stacks regarding quantity and p2 percent of total price of the bundle be satisfied
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| 9 | * compared to the total price of the wishlist,
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| 10 | * bundle b would be evaluated as 1.0, otherwise as 0.0.
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| 11 | *
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| 12 | * @author Faria Nassiri-Mofakham
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| 13 | *
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| 14 | */
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| 15 | public class UF_prcntQTYandprcntPrice implements UtilityFunction {
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| 16 |
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| 17 | Bundle wishlist;
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| 18 |
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| 19 | double p1;
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| 20 | double p2;
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| 21 |
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| 22 | public UF_prcntQTYandprcntPrice(Bundle w, double p1, double p2)
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| 23 | {
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| 24 | this.wishlist=w;
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| 25 | this.p1=p1; // tolerable percentage for extra price
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| 26 | this.p2=p2; // tolerable percentage for extra stacks and/or stacks with less quantities
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| 27 | }
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| 28 |
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| 29 | /**
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| 30 | * @return the wishlist
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| 31 | */
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| 32 | public Bundle getWishlist() {
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| 33 | return wishlist;
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| 34 | }
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| 35 |
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| 36 | /**
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| 37 | * @param wishlist the wishlist to set
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| 38 | */
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| 39 | public void setWishlist(Bundle w) {
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| 40 | this.wishlist = w;
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| 41 | }
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| 42 |
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| 43 | @Override
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| 44 | public Double getUtility(Bundle b)
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| 45 | {
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| 46 | // TODO Auto-generated method stub
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| 47 | int num=wishlist.size();
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| 48 |
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| 49 | if (b!=null)
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| 50 | {
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| 51 | for (Stack s : b)
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| 52 | for (Stack t: wishlist)
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| 53 | if (s.hasSameColorAs(t) && s.getQuantity() >= t.getQuantity())
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| 54 | // if the quantity is less than what is required, so this stack could not be satisfied
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| 55 | num--;
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| 56 | if (b.getTotalPrice() <= p2* wishlist.getTotalPrice()+wishlist.getTotalPrice() && num < (double)wishlist.size()*(1-p1) )
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| 57 | // i.e., the number of `dissatisfied' stacks are less than p1 percent of the stacks regarding the quantity
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| 58 | // and, the bundle total price is less that or equal to p2 percent of the wishlist total price
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| 59 | return 1.0;
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| 60 | else
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| 61 | return 0.0;
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| 62 | }
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| 63 | return 0.0;
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| 64 | }
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| 65 |
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| 66 |
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| 67 | /**
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| 68 | * @return the p1
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| 69 | */
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| 70 | public double getP1() {
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| 71 | return p1;
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| 72 | }
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| 73 |
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| 74 |
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| 75 | /**
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| 76 | * @param p1 the p1 to set
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| 77 | */
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| 78 | public void setP1(double p1) {
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| 79 | this.p1 = p1;
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| 80 | }
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| 81 |
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| 82 |
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| 83 | /**
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| 84 | * @return the p2
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| 85 | */
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| 86 | public double getP2() {
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| 87 | return p2;
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| 88 | }
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| 89 |
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| 90 |
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| 91 | /**
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| 92 | * @param p2 the p2 to set
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| 93 | */
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| 94 | public void setP2(double p2) {
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| 95 | this.p2 = p2;
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| 96 | }
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| 97 |
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| 98 | @Override
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| 99 | public String toString()
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| 100 | {
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| 101 | return this.getClass().getSimpleName()+":qty%"+p1+":price%"+p2;
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| 102 | }
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| 103 |
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| 104 | }
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