code: @Override
  	public CPInstance getCPInstanceByUuidAndGroupId(String uuid, long groupId)
  		throws PortalException {
  		return cpInstancePersistence.findByUUID_G(uuid, groupId);
  	}
docs: Returns the cp instance matching the UUID and group.
  
  @param uuid the cp instance's UUID
  @param groupId the primary key of the group
  @return the matching cp instance
  @throws PortalException if a matching cp instance could not be found