public class FoodServiceImpl implements FoodService {

  private FruitDAO fruitDAO;
  private VegetableDAO vegetableDAO;
  private MeatDAO meatDAO;

  // ... DAO injection stuff

  public List<Meat> getMeat() {
    return meatDAO.getMeat();
  }

  public void addMeat(Meat meat) {
    meatDAO.add(meat);
  }

  public List<Fruit> getFruit() {
    return fruitDAO.getFruit();
  }

  // ... tons of methods that mostly just delegate to DAOs

}

// assume foodService is injected at runtime
public void controllerMethod() {
  foodService.getFruit();
  foodService.getMeat();
}

// assume DAOs are injected at runtime
public void controllerMethod() {
  fruitDAO.getFruit();
  meatDAO.getMeat();
}

if (meat.expirationDate-today >= 5 days)
   FridgeDAO.store(meat)
else if (meat.expirationDate-today <5 days)
   FreezerDAO.store(meat)
else
   discard(meat)