if (userID != -1) c.addFilter("module_execution.experimenter_id", new Integer(userID));
    public static Criteria buildBasicCriteria(int id)    {        Criteria c = new Criteria();        c.addWantedField("Name");        c.addWantedField("Description");        c.addWantedField("module_execution");        c.addWantedField("module_execution", "experimenter");        //Specify which fields we want for the owner.        c.addWantedField("module_execution.experimenter", "id");        if (id != -1) c.addFilter("id", new Integer(id));        return c;    }