if (qualifier != null) {
this.qualifier = Base64.encodeBytes(qualifier);
}
this.op = dcf.getOperator().toString();
this.comparator = new ByteArrayComparableModel(dcf.getComparator());
this.dropDependentColumn = dcf.dropDependentColumn();
} break;
case FilterList:
this.op = ((FilterList)filter).getOperator().toString();
this.filters = new ArrayList<FilterModel>();
for (Filter child: ((FilterList)filter).getFilters()) {