EAS 判断单据是否某些单据引用

private boolean checkReference(Context ctx, BOSUuid id)
    {
       RefChkFilterSet filterSet = new RefChkFilterSet();
        HashSet hs = new HashSet();
        hs.add("BFA89B25");//评估管理
        hs.add("AFB5A6F2");//拍租方案
        hs.add("866DA178");//租决文件
        hs.add("75845F0E");//租赁合同
        RefChkFilter filter = new RefChkFilter(RefChkFilterItemEnum.ExcludedRefobjTypeList, hs);
        filterSet.add(filter);
      return ReferenceDAO.isReferenced(ctx, id, filterSet);

    }