code: public static CommerceShippingFixedOptionRel findByPrimaryKey(
  		long commerceShippingFixedOptionRelId)
  		throws com.liferay.commerce.shipping.engine.fixed.exception.NoSuchShippingFixedOptionRelException {
  		return getPersistence()
  				   .findByPrimaryKey(commerceShippingFixedOptionRelId);
  	}
docs: Returns the commerce shipping fixed option rel with the primary key or throws a {@link NoSuchShippingFixedOptionRelException} if it could not be found.
  
  @param commerceShippingFixedOptionRelId the primary key of the commerce shipping fixed option rel
  @return the commerce shipping fixed option rel
  @throws NoSuchShippingFixedOptionRelException if a commerce shipping fixed option rel with the primary key could not be found