Bagel.java

package com.booleanuk.core;

public class Bagel extends Item{
    private Filling filling;

    public Bagel(String variant, String sku){
        super("Bagel", variant, sku);
    }

    public String getFillingSku(){
        return filling.getSku();
    }

    public boolean gotFilling(){
        if (filling != null){
            return true;
        }
        return false;
    }

    public String getCombiSku(){
        if (filling != null){
            return super.getSku() + "-" + filling.getSku();
        }
        return getSku();
    }

    public boolean setFilling(Filling filling){
        this.filling = filling;
        return true;
    }

    @Override
    public float getTotalCost(PriceList priceList){
        if(this.gotFilling())
            return priceList.getPrice(super.getSku()) + priceList.getPrice(filling.getSku());
        return priceList.getPrice(super.getSku());
    }
}