Article: The OOP has been explained wrongly to you - solution
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class WashingController { | |
private final WashingService washingService; | |
WashingController(WashingService washingService) { | |
this.washingService = washingService; | |
} | |
void washWool() { | |
Collection<LaundryElement> laundry = getAllLaundry().stream() | |
.filter(WoolLaundryElement.class::isInstance).collect(toList()); | |
WashingMachine washingMachine = new WashingMachine(); | |
Integer spinSpeed = getRequestedSpinSpeed(); | |
Integer temperature = getRequestedTemperature(); | |
washingService.washWool(washingMachine, laundry, spinSpeed, temperature); | |
} | |
void washCotton() { | |
Collection<LaundryElement> laundry = getAllLaundry().stream() | |
.filter(CottonLaundryElement.class::isInstance).collect(toList()); | |
WashingMachine washingMachine = new WashingMachine(); | |
Integer spinSpeed = getRequestedSpinSpeed(); | |
Integer temperature = getRequestedTemperature(); | |
washingService.washCotton(washingMachine, laundry, spinSpeed, temperature); | |
} | |
void washSilk() { | |
Collection<LaundryElement> laundry = getAllLaundry().stream() | |
.filter(SilkLaundryElement.class::isInstance).collect(toList()); | |
WashingMachine washingMachine = new WashingMachine(); | |
Integer spinSpeed = getRequestedSpinSpeed(); | |
Integer temperature = getRequestedTemperature(); | |
washingService.washSilk(washingMachine, laundry, spinSpeed, temperature); | |
} | |
private Collection<LaundryElement> getAllLaundry() { | |
Collection<LaundryElement> allLaundry = new ArrayList<>(); | |
// fill the allLaundry collection with available laundry by any way, | |
// e.g. obtaining it from repositories, providers, services | |
return allLaundry; | |
} | |
private Integer getRequestedSpinSpeed() { | |
return new Random().nextInt(1200); | |
} | |
private Integer getRequestedTemperature() { | |
return new Random().nextInt(95); | |
} | |
} |
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