@Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    ArrangementGroupingRule rule = (ArrangementGroupingRule)o;

    if (myOrderType != rule.myOrderType) return false;
    if (!myGroupingType.equals(rule.myGroupingType)) return false;

    return true;
  }
@Override
  public boolean equals(Object o)