code: @Override
  	public CProduct fetchCProductByUuidAndGroupId(String uuid, long groupId) {
  		return cProductPersistence.fetchByUUID_G(uuid, groupId);
  	}
docs: Returns the c product matching the UUID and group.
  
  @param uuid the c product's UUID
  @param groupId the primary key of the group
  @return the matching c product, or <code>null</code> if a matching c product could not be found