code: public int deleteCascade(
  			PreparedQuery<SpatialReferenceSystem> preparedDelete)
  			throws SQLException {
  		int count = 0;
  		if (preparedDelete != null) {
  			List<SpatialReferenceSystem> srsList = query(preparedDelete);
  			count = deleteCascade(srsList);
  		}
  		return count;
  	}
docs: Delete the Spatial Reference Systems matching the prepared query,
  cascading
  
  @param preparedDelete
  prepared delete query
  @return deleted count
  @throws SQLException
  upon deletion failure