try {
Thread.sleep(this.coldDrinkDelay);
System.out.println(Thread.currentThread().getName() + " prepared cold drink #"
+ coldDrinkCounter.incrementAndGet() + " for order #"
+ orderItem.getOrder().getNumber() + ": " + orderItem);
return new Drink(orderItem.getOrder().getNumber(), orderItem.getDrinkType(), orderItem.isIced(),
orderItem.getShots());
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
return null;
}