Java tutorial
/** * Copyright or or Copr. Ministre Franais charg de la Culture * et de la Communication (2013) * <p/> * contact.gincoculture_at_gouv.fr * <p/> * This software is a computer program whose purpose is to provide a thesaurus * management solution. * <p/> * This software is governed by the CeCILL license under French law and * abiding by the rules of distribution of free software. You can use, * modify and/ or redistribute the software under the terms of the CeCILL * license as circulated by CEA, CNRS and INRIA at the following URL * "http://www.cecill.info". * <p/> * As a counterpart to the access to the source code and rights to copy, * modify and redistribute granted by the license, users are provided only * with a limited warranty and the software's author, the holder of the * economic rights, and the successive licensors have only limited liability. * <p/> * In this respect, the user's attention is drawn to the risks associated * with loading, using, modifying and/or developing or reproducing the * software by the user in light of its specific status of free software, * that may mean that it is complicated to manipulate, and that also * therefore means that it is reserved for developers and experienced * professionals having in-depth computer knowledge. Users are therefore * encouraged to load and test the software's suitability as regards their * requirements in conditions enabling the security of their systemsand/or * data to be ensured and, more generally, to use and operate it in the * same conditions as regards security. * <p/> * The fact that you are presently reading this means that you have had * knowledge of the CeCILL license and that you accept its terms. */ package fr.mcc.ginco.dao.hibernate; import java.util.List; import org.hibernate.Criteria; import org.hibernate.criterion.Order; import org.hibernate.criterion.Restrictions; import org.springframework.stereotype.Repository; import fr.mcc.ginco.beans.ThesaurusVersionHistory; import fr.mcc.ginco.dao.IThesaurusVersionHistoryDAO; import fr.mcc.ginco.enums.ThesaurusVersionStatusEnum; /** * Implementation of the data access object to the thesaurus_version_history * database table * */ @Repository("thesaurusVersionHistoryDAO") public class ThesaurusVersionHistoryDAO extends GenericHibernateDAO<ThesaurusVersionHistory, String> implements IThesaurusVersionHistoryDAO { public ThesaurusVersionHistoryDAO() { super(ThesaurusVersionHistory.class); } @Override public List<ThesaurusVersionHistory> findVersionsByThesaurusId(String thesaurusId) { Criteria criteria = getCurrentSession().createCriteria(ThesaurusVersionHistory.class, "tv"); selectThesaurus(criteria, thesaurusId); descOrderBy(criteria, "date"); return criteria.list(); } @Override public List<ThesaurusVersionHistory> findAllOtherThisVersionTrueByThesaurusId(String thesaurusId, String excludedVersionId) { Criteria criteria = getCurrentSession().createCriteria(ThesaurusVersionHistory.class, "tv"); selectThesaurus(criteria, thesaurusId); excludeAVersion(criteria, excludedVersionId); isThisVersion(criteria, true); return criteria.list(); } @Override public ThesaurusVersionHistory findThisVersionByThesaurusId(String thesaurusId) { Criteria criteria = getCurrentSession().createCriteria(ThesaurusVersionHistory.class, "tv"); selectThesaurus(criteria, thesaurusId); isThisVersion(criteria, true); List<ThesaurusVersionHistory> foundVersions = criteria.list(); if (foundVersions.size() > 0) { return (ThesaurusVersionHistory) criteria.list().get(0); } return null; } @Override public ThesaurusVersionHistory getLastPublishedVersionByThesaurusId(String thesaurusId) { Criteria criteria = getCurrentSession().createCriteria(ThesaurusVersionHistory.class, "tv"); selectThesaurus(criteria, thesaurusId); criteria.add(Restrictions.eq("tv.status", ThesaurusVersionStatusEnum.PUBLISHED.getStatus())); criteria.addOrder(Order.desc("tv.date")); List<ThesaurusVersionHistory> foundVersions = criteria.list(); if (foundVersions.size() > 0) { return (ThesaurusVersionHistory) criteria.list().get(0); } return null; } private void selectThesaurus(Criteria criteria, String thesaurusId) { criteria.add(Restrictions.eq("tv.thesaurus.identifier", (String) thesaurusId)); } private void excludeAVersion(Criteria criteria, String excludedVersionId) { criteria.add(Restrictions.ne("tv.identifier", (String) excludedVersionId)); } private void isThisVersion(Criteria criteria, Boolean isThisVersion) { criteria.add(Restrictions.eq("tv.thisVersion", isThisVersion)); } private void descOrderBy(Criteria criteria, String sortColumn) { criteria.addOrder(Order.desc(sortColumn)); } }