@Override
    public int hashCode() {
        int result = item != null ? item.hashCode() : 0;
        result = 31 * result + (item2 != null ? item2.hashCode() : 0);
        result = 31 * result + (item3 != null ? item3.hashCode() : 0);
        result = 31 * result + (item4 != null ? item4.hashCode() : 0);
        result = 31 * result + (item5 != null ? item5.hashCode() : 0);
        result = 31 * result + (item6 != null ? item6.hashCode() : 0);
        result = 31 * result + (item7 != null ? item7.hashCode() : 0);
        return result;
    }