Java tutorial
/** * 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.SharingReportDao; import es.upm.fiware.rss.model.SharingReport; @Repository public class SharingReportDaoImpl extends GenericDaoImpl<SharingReport, Integer> implements SharingReportDao { /** * Variable to print the trace. */ private static final Logger LOGGER = LoggerFactory.getLogger(SharingReportDaoImpl.class); @Override protected Class<SharingReport> getDomainClass() { return SharingReport.class; } @Override public List<SharingReport> getSharingReportsByParameters(String aggregator, String providerId, String productClass) { // Build queries String hql = "from SharingReport l"; if (null != aggregator && !aggregator.isEmpty()) { hql += " where l.owner.id.aggregator.txEmail= '" + aggregator + "'"; if (null != providerId && !providerId.isEmpty()) { hql += " and l.owner.id.txAppProviderId= '" + providerId + "'"; if (null != productClass && !productClass.isEmpty()) { hql += " and l.productClass= '" + productClass + "'"; } } } List<SharingReport> resultList; try { List list = this.getSession().createQuery(hql).list(); resultList = Collections.checkedList(list, SharingReport.class); } catch (Exception e) { return null; } if (null == resultList || resultList.isEmpty()) { resultList = null; } return resultList; } }