code: @Override
  	public CommerceCurrency getCommerceCurrencyByUuidAndGroupId(String uuid,
  		long groupId) throws PortalException {
  		return commerceCurrencyPersistence.findByUUID_G(uuid, groupId);
  	}
docs: Returns the commerce currency matching the UUID and group.
  
  @param uuid the commerce currency's UUID
  @param groupId the primary key of the group
  @return the matching commerce currency
  @throws PortalException if a matching commerce currency could not be found