iQuery.get(ExperimenterGroup.class, group.getId());
internalGetGroup(group.getId());
    public void addGroups(Experimenter user, ExperimenterGroup[] groups)    {    	if (user == null) return; // Handled by annotations    	if (groups == null) return;    	        Experimenter foundUser = iQuery.get(Experimenter.class,user.getId());    	for (ExperimenterGroup group : groups) {        	ExperimenterGroup foundGroup =         		iQuery.get(ExperimenterGroup.class, group.getId());        	foundUser.linkExperimenterGroup(foundGroup);		}    	iUpdate.flush();    }