docs: private void ensureTableIfNecessary(ClassDescriptorDef classDef, String checkLevel)
      {
          if (classDef.getBooleanProperty(PropertyHelper.OJB_PROPERTY_OJB_PERSISTENT, false))
          {
              if (!classDef.hasProperty(PropertyHelper.OJB_PROPERTY_TABLE))
              {
                  classDef.setProperty(PropertyHelper.OJB_PROPERTY_TABLE, classDef.getDefaultTableName());
              }
          }
      }