Java tutorial
/* * Copyright (c) 2011-2013, Monash e-Research Centre * (Monash University, Australia) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the Monash University nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * 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 edu.monash.merc.dao; import edu.monash.merc.common.name.ChromType; import edu.monash.merc.common.name.DbAcType; import edu.monash.merc.domain.DSVersion; import edu.monash.merc.dto.DBVersionBean; import edu.monash.merc.repository.IDSVersionRep; import org.apache.commons.lang.StringUtils; import org.hibernate.Criteria; import org.hibernate.Query; import org.hibernate.criterion.Order; import org.hibernate.criterion.Projections; import org.hibernate.criterion.Restrictions; import org.hibernate.transform.Transformers; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Repository; import java.util.List; /** * DSVersionDAO class which provides the database operations for DSVersion object. * * @author Simon Yu * <p/> * Email: xiaoming.yu@monash.edu * @version 1.0 * @since 1.0 * <p/> * Date: 15/05/12 4:01 PM */ @Scope(BeanDefinition.SCOPE_PROTOTYPE) @Repository public class DSVersionDAO extends HibernateGenericDAO<DSVersion> implements IDSVersionRep { /** * {@inheritDoc} */ public void deleteDsVersionById(long id) { String del_hql = "DELETE FROM " + this.persistClass.getSimpleName() + " AS dsv WHERE dsv.id = :id"; Query query = this.session().createQuery(del_hql); query.setLong("id", id); query.executeUpdate(); } /** * {@inheritDoc} */ public DSVersion getCurrentDSVersionByChromDbs(DbAcType dbAcType, ChromType chromType) { Criteria qCriteria = this.session().createCriteria(this.persistClass); qCriteria.add(Restrictions.eq("dbSource", dbAcType.type())) .add(Restrictions.eq("chromosome", chromType.chm()).ignoreCase()); qCriteria.addOrder(Order.desc("versionNo")).setMaxResults(1); return (DSVersion) qCriteria.uniqueResult(); } /** * {@inheritDoc} */ public boolean checkUpToDate(DbAcType dbAcType, ChromType chromType, String fileName, String timeToken) { Criteria criteria = this.session().createCriteria(this.persistClass); criteria.setProjection(Projections.rowCount()); if (dbAcType != null) { criteria.add(Restrictions.eq("dbSource", dbAcType.type())); } if (chromType != null) { criteria.add(Restrictions.eq("chromosome", chromType.chm()).ignoreCase()); } if (StringUtils.isNotBlank(fileName)) { criteria.add(Restrictions.eq("fileName", fileName).ignoreCase()); } if (StringUtils.isNotBlank(timeToken)) { criteria.add(Restrictions.eq("timestampToken", timeToken)); } long num = (Long) criteria.uniqueResult(); if (num >= 1) { return true; } else { return false; } } /** * {@inheritDoc} */ @SuppressWarnings("unchecked") public List<DBVersionBean> getLatestDBSVersionByChromosome(ChromType chromType) { Criteria dsvCriteria = this.session().createCriteria(this.persistClass); dsvCriteria.add(Restrictions.eq("chromosome", chromType.chm())); dsvCriteria.setProjection( Projections.projectionList().add(Projections.groupProperty("dbSource").as("dbSource")) .add(Projections.max("id").as("id")).add(Projections.max("createdTime").as("createdTime")) .add(Projections.max("versionNo").as("versionNo"))); dsvCriteria.addOrder(Order.asc("dbSource")); return dsvCriteria.setResultTransformer(Transformers.aliasToBean(DBVersionBean.class)).list(); } }