docs: private void checkSequenceName(FieldDescriptorDef fieldDef, String checkLevel) throws ConstraintException
      {
          if (CHECKLEVEL_NONE.equals(checkLevel))
          {
              return;
          }
  
          String autoIncr = fieldDef.getProperty(PropertyHelper.OJB_PROPERTY_AUTOINCREMENT);
          String seqName  = fieldDef.getProperty(PropertyHelper.OJB_PROPERTY_SEQUENCE_NAME);
  
          if ((seqName != null) && (seqName.length() > 0))
          {
              if (!"ojb".equals(autoIncr) && !"database".equals(autoIncr))
              {
                  throw new ConstraintException("The field "+fieldDef.getName()+" in class "+fieldDef.getOwner().getName()+" has sequence-name set though it's autoincrement value is not set to 'ojb'");
              }
          }
      }