code: @Override
      @Transactional
      public Namespace findNamespaceByPrimaryKey(BigInteger id) {
          requireNotDisposed();
          requireArgument(id != null && id.compareTo(ZERO) > 0, "ID must be a positive non-zero value.");
  
          Namespace result = findEntity(emf.get(), id, Namespace.class);
  
          _logger.debug("Query for namespace having id {} resulted in : {}", id, result);
          return result;
      }
docs: ~ Methods **************************************************************************************************************************************