Java tutorial
/** * Copyright 2010 the original author or authors. * * This file is part of Zksample2. http://zksample2.sourceforge.net/ * * Zksample2 is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Zksample2 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Zksample2. If not, see <http://www.gnu.org/licenses/gpl.html>. */ package de.forsthaus.backend.dao.impl; import java.util.List; import org.hibernate.criterion.DetachedCriteria; import org.hibernate.criterion.Projections; import org.hibernate.criterion.Restrictions; import org.springframework.dao.support.DataAccessUtils; import org.springframework.stereotype.Repository; import de.forsthaus.backend.dao.SecGrouprightDAO; import de.forsthaus.backend.model.SecGroup; import de.forsthaus.backend.model.SecGroupright; import de.forsthaus.backend.model.SecRight; /** * EN: DAO methods implementation for the <b>SecGroupright</b> model class.<br> * DE: DAO Methoden Implementierung fuer die <b>SecGroupright</b> Model Klasse.<br> * * @author bbruhns * @author Stephan Gerth */ @Repository public class SecGrouprightDAOImpl extends BasisDAO<SecGroupright> implements SecGrouprightDAO { @Override public SecGroupright getNewSecGroupright() { return new SecGroupright(); } @SuppressWarnings("unchecked") @Override public List<SecRight> getRightsByGroup(SecGroup group) { DetachedCriteria criteria = DetachedCriteria.forClass(SecRight.class); // Aliases are working only on properties they build the JOINS criteria.createAlias("secGrouprights", "gr"); criteria.add(Restrictions.eq("gr.secGroup", group)); return getHibernateTemplate().findByCriteria(criteria); } @Override public List<SecGroupright> getAllGroupRights() { return getHibernateTemplate().loadAll(SecGroupright.class); } @Override public boolean isRightInGroup(SecRight right, SecGroup group) { DetachedCriteria criteria = DetachedCriteria.forClass(SecGroupright.class); criteria.add(Restrictions.eq("secGroup", group)); criteria.add(Restrictions.eq("secRight", right)); criteria.setProjection(Projections.rowCount()); int count = DataAccessUtils.intResult(getHibernateTemplate().findByCriteria(criteria)); return count > 0; } @SuppressWarnings("unchecked") @Override public SecGroupright getGroupRightByGroupAndRight(SecGroup group, SecRight right) { DetachedCriteria criteria = DetachedCriteria.forClass(SecGroupright.class); criteria.add(Restrictions.eq("secGroup", group)); criteria.add(Restrictions.eq("secRight", right)); return (SecGroupright) DataAccessUtils.uniqueResult(getHibernateTemplate().findByCriteria(criteria)); } @SuppressWarnings("unchecked") @Override public List<SecRight> getGroupRightsByGroup(SecGroup group) { DetachedCriteria criteria = DetachedCriteria.forClass(SecRight.class); // Aliases only for properties criteria.createAlias("secGrouprights", "gr"); criteria.add(Restrictions.eq("gr.secGroup", group)); return getHibernateTemplate().findByCriteria(criteria); } @Override public int getCountAllSecGrouprights() { return DataAccessUtils.intResult(getHibernateTemplate().find("select count(*) from SecGroupright")); } }