code: @Override
  	public CommerceNotificationTemplateUserSegmentRel findByPrimaryKey(
  		Serializable primaryKey)
  		throws NoSuchNotificationTemplateUserSegmentRelException {
  		CommerceNotificationTemplateUserSegmentRel commerceNotificationTemplateUserSegmentRel =
  			fetchByPrimaryKey(primaryKey);
  
  		if (commerceNotificationTemplateUserSegmentRel == null) {
  			if (_log.isDebugEnabled()) {
  				_log.debug(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
  			}
  
  			throw new NoSuchNotificationTemplateUserSegmentRelException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
  				primaryKey);
  		}
  
  		return commerceNotificationTemplateUserSegmentRel;
  	}
docs: Returns the commerce notification template user segment rel with the primary key or throws a {@link com.liferay.portal.kernel.exception.NoSuchModelException} if it could not be found.
  
  @param primaryKey the primary key of the commerce notification template user segment rel
  @return the commerce notification template user segment rel
  @throws NoSuchNotificationTemplateUserSegmentRelException if a commerce notification template user segment rel with the primary key could not be found