}
@Override
public RangePredicate<DBObject> getRangePredicate(String entityType, List<String> propertyPath, Object lowerValue, Object upperValue) {
String columnName = propertyHelper.getColumnName( entityType, propertyPath.get( propertyPath.size() - 1 ) );
return new MongoDBRangePredicate( columnName, lowerValue, upperValue );
}