@Override
    public int hashCode() {
        int result = id != null ? id.hashCode() : 0;
        result = 31 * result + (tagLabel != null ?
                tagLabel.hashCode() : 0);
        result = 31 * result + (parentLink != null ?
                parentLink.hashCode() : 0);
        result = 31 * result + (creationDate != null ?
                creationDate.hashCode() : 0);
        result = 31 * result + (archived != null ?
                archived.hashCode() : 0);
        return result;
    }