Java tutorial
/** * Revenue Settlement and Sharing System GE * Copyright (C) 2011-2014, Javier Lucio - lucio@tid.es * Telefonica Investigacion y Desarrollo, S.A. * * Copyright (C) 2015 CoNWeT Lab., Universidad Politcnica de Madrid * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package es.upm.fiware.rss.dao.impl; import java.util.Collections; import java.util.List; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Repository; import es.upm.fiware.rss.dao.LanguageDao; import es.upm.fiware.rss.model.BmLanguage; /** * * Class that extends GenericDaoImpl and implements LanguageDao. * */ @Repository public class LanguageDaoImpl extends GenericDaoImpl<BmLanguage, Long> implements LanguageDao { /** * Variable to print the trace. */ private static final Logger LOGGER = LoggerFactory.getLogger(LanguageDaoImpl.class); /* * (non-Javadoc) * * @see es.upm.greta.bmms.dao.impl.GenericDaoImpl#getDomainClass() */ @Override protected Class<BmLanguage> getDomainClass() { return BmLanguage.class; } /* * (non-Javadoc) * * @see es.upm.greta.bmms.dao.LanguageDao#getByIso6391Code(java.lang.String) */ @Override public BmLanguage getByIso6391Code(final String iso6391Code) { // TODO Auto-generated method stub String hql = "from BmLanguage l where l.txIso6391Code = '" + iso6391Code + "'"; List<BmLanguage> lpp = this.listLanguageQuery(hql); if (lpp.size() > 0) { return lpp.get(0); } else { return null; } } /* Private Methods */ /** * Method executes HQL query. * * @param hql * String with HQL query * @return resultList */ private List<BmLanguage> listLanguageQuery(final String hql) { LanguageDaoImpl.LOGGER.debug(hql); // @SuppressWarnings("rawtypes") List list = this.getSession().createQuery(hql).list(); // entityManager.createQuery(hql).getResultList(); // @SuppressWarnings("unchecked") List<BmLanguage> resultList = Collections.checkedList(list, BmLanguage.class); return resultList; } }