class GICSCode implements Serializable {

  @Override
  public boolean equals(final Object obj) {
    if (obj == this) {
      return true;
    }
    if (obj instanceof GICSCode) {
      GICSCode other = (GICSCode) obj;
      return getCode().equals(other.getCode());
    }
    return false;
  }

  private  GICSCode(final String code);

}