[315] | 1 | /**
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| 2 | * UtilityFunction75percentQuantityOrNothing
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| 3 | */
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| 4 | package onetomany.bargainingchipsgame.players.utilityfunction;
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| 5 |
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| 6 | import onetomany.bargainingchipsgame.Bundle;
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| 7 | import onetomany.bargainingchipsgame.Stack;
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| 8 |
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| 9 | /**
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| 10 | * If 75 percent of the stacks be satisfied regarding the quantity as long as
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| 11 | * the total price would be less than the total price of the wishlist,
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| 12 | * bundle b would be evaluated as 1.0, otherwise as 0.0.
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| 13 | *
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| 14 | * @author Faria Nassiri-Mofakham
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| 15 | *
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| 16 | */
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| 17 | public class UF_75pQtyOrNothing implements UtilityFunction {
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| 18 |
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| 19 | Bundle wishlist;
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| 20 | String role;
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| 21 |
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| 22 |
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| 23 | /**
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| 24 | * @return the role
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| 25 | */
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| 26 | public String getRole() {
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| 27 | return role;
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| 28 | }
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| 29 |
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| 30 | /**
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| 31 | * @param role the role to set
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| 32 | */
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| 33 | public void setRole(String role) {
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| 34 | this.role = role;
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| 35 | }
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| 36 |
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| 37 | public UF_75pQtyOrNothing(Bundle w)
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| 38 | {
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| 39 | this.wishlist=w;
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| 40 | }
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| 41 |
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| 42 | /**
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| 43 | * @return the wishlist
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| 44 | */
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| 45 | public Bundle getWishlist() {
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| 46 | return wishlist;
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| 47 | }
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| 48 |
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| 49 | /**
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| 50 | * @param wishlist the wishlist to set
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| 51 | */
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| 52 | public void setWishlist(Bundle w) {
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| 53 | this.wishlist = w;
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| 54 | }
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| 55 |
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| 56 | @Override
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| 57 | public Double getUtility(Bundle b)
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| 58 | {
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| 59 | // TODO Auto-generated method stub
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| 60 | int num=wishlist.size();
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| 61 | if (b!=null)
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| 62 | {
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| 63 | for (Stack s : b)
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| 64 | for (Stack t: wishlist)
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| 65 | if (s.getColor()==t.getColor() && s.getQuantity() >= t.getQuantity())
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| 66 | // if bundle b has any additional stack
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| 67 | // if the quantity is less than what is required, so this stack could not be satisfied
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| 68 | num--;
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| 69 | if (b.getTotalPrice() <= wishlist.getTotalPrice() && num < (double)wishlist.size()*0.25) // i.e. less than 25 percent of the stacks could not be satisfied
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| 70 | if (isBuyer(role))
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| 71 | return 1.0;
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| 72 | else
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| 73 | return 0.0;
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| 74 | else
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| 75 | if (isBuyer(role))
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| 76 | return 0.0;
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| 77 | else
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| 78 | return 1.0;
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| 79 | }
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| 80 | if (isBuyer(role))
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| 81 | return 0.0;
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| 82 | else
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| 83 | return 1.0;
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| 84 | }
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| 85 |
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| 86 |
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| 87 | @Override
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| 88 | public String toString()
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| 89 | {
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| 90 | return this.getClass().getSimpleName();
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| 91 | }
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| 92 |
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| 93 |
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| 94 | public Boolean isBuyer(String role)
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| 95 | {
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| 96 | switch (role.toLowerCase())
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| 97 | {
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| 98 | case "buyer": return Boolean.TRUE;
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| 99 | case "seller": return Boolean.FALSE;
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| 100 | default:
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| 101 | System.out.println("Undefined role!");
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| 102 | return null;
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| 103 | }
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| 104 | }
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| 105 |
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| 106 | }
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