| 1 | package com.hammurapi.eventbus.tests.fastfood; |
| 2 | |
| 3 | import java.util.concurrent.atomic.AtomicInteger; |
| 4 | |
| 5 | /** |
| 6 | * @author Pavel Vlasov |
| 7 | * |
| 8 | */ |
| 9 | public class Order { |
| 10 | |
| 11 | private static AtomicInteger INSTANCE_COUNTER = new AtomicInteger(); |
| 12 | |
| 13 | private final int instanceId = INSTANCE_COUNTER.incrementAndGet(); |
| 14 | |
| 15 | private Class<? extends MainDish> mainDishType; |
| 16 | private Class<? extends SideDish> sideDishType; |
| 17 | private MainDish mainDish; |
| 18 | private SideDish sideDish; |
| 19 | |
| 20 | public Order(Class<? extends MainDish> mainDishType, Class<? extends SideDish> sideDishType) { |
| 21 | super(); |
| 22 | this.mainDishType = mainDishType; |
| 23 | this.sideDishType = sideDishType; |
| 24 | } |
| 25 | |
| 26 | public Class<? extends MainDish> getMainDishType() { |
| 27 | return mainDishType; |
| 28 | } |
| 29 | |
| 30 | public Class<? extends SideDish> getSideDishType() { |
| 31 | return sideDishType; |
| 32 | } |
| 33 | |
| 34 | public MainDish getMainDish() { |
| 35 | return mainDish; |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * Sets main dish |
| 40 | * @param mainDish |
| 41 | * @return true if success, false if main dish is of the wrong type or already consumed. |
| 42 | */ |
| 43 | public boolean setMainDish(MainDish mainDish) { |
| 44 | if (this.mainDish==null) { |
| 45 | if (mainDishType.isInstance(mainDish)) { |
| 46 | if (mainDish.consume()) { |
| 47 | this.mainDish = mainDish; |
| 48 | return true; |
| 49 | } |
| 50 | } else { |
| 51 | System.err.println("Wrong main dish: "+mainDish+", expected "+mainDishType); |
| 52 | } |
| 53 | } else { |
| 54 | System.err.println("Order already has main dish: "+this); |
| 55 | } |
| 56 | return false; |
| 57 | } |
| 58 | |
| 59 | public SideDish getSideDish() { |
| 60 | return sideDish; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Sets side dish |
| 65 | * @param sideDish |
| 66 | * @return true if success, false if side dish is of wrong type or already consumed. |
| 67 | */ |
| 68 | public boolean setSideDish(SideDish sideDish) { |
| 69 | if (this.sideDish==null) { |
| 70 | if (sideDishType.isInstance(sideDish)) { |
| 71 | if (sideDish.consume()) { |
| 72 | this.sideDish = sideDish; |
| 73 | return true; |
| 74 | } |
| 75 | } else { |
| 76 | System.err.println("Wrong side dish: "+sideDish+", expected "+sideDishType); |
| 77 | } |
| 78 | } else { |
| 79 | System.err.println("Order already has side dish: "+this); |
| 80 | } |
| 81 | return false; |
| 82 | } |
| 83 | |
| 84 | public boolean isFulfilled() { |
| 85 | return mainDish!=null && sideDish!=null; |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public String toString() { |
| 90 | return "Order [" + instanceId + "]"; |
| 91 | } |
| 92 | |
| 93 | } |