/**
* Returns the set of dishes of specific type, that contain filter in their name or name of any
* ingredient.
*/
public Set<Dish> filterDishesOfType(int type, String filter) {
Set<Dish> result = new HashSet<Dish>();
for (Dish d : dishes) {
if (d.getType() == type && d.contains(filter)) {
result.add(d);
}
}
return result;
}
