protected static com.liferay.portlet.polls.model.PollsDisplay findByUserId_First( java.lang.String userId, com.liferay.util.dao.hibernate.OrderByComparator obc) throws com.liferay.portlet.polls.NoSuchDisplayException, com.liferay.portal.SystemException { PollsDisplayPersistence persistence = (PollsDisplayPersistence) InstancePool.get(PERSISTENCE); return persistence.findByUserId_First(userId, obc); }