Java tutorial
/******************************************************************************* * This file is part of Eldar Works. * * Eldar Works 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. * * Eldar Works 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 Eldar Works. If not, see <http://www.gnu.org/licenses/>. * Copyright (c) 2012. Phillip Sanderson ******************************************************************************/ package com.eldar.daos.mybatis; import com.eldar.daos.ICssClassDao; import com.eldar.daos.mybatis.mappers.CssClassMapper; import com.eldar.models.CssClass; import com.eldar.models.templates.Container; import com.eldar.util.ListPage; import org.apache.ibatis.session.SqlSession; import org.apache.ibatis.session.SqlSessionFactory; import org.joda.time.DateTime; import org.joda.time.DateTimeZone; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; import java.util.List; /** * DAO for the CssClass objects * * @author Phillip Sanderson * Date: 13/05/12 * Time: 3:56 PM */ @Repository public class MyBatisCssClassDao implements ICssClassDao { private static Logger logger = LoggerFactory.getLogger(MyBatisCssClassDao.class); @Autowired private CssClassMapper cssClassMapper; @Autowired private SqlSessionFactory sqlSessionFactory; /** * List all the css classes. * TODO: Paging. * * @return List of all the css classes. */ public List<CssClass> list(long start, long size) { SqlSession session = sqlSessionFactory.openSession(); try { return cssClassMapper.list(new ListPage<CssClass>(start, size)); } finally { session.close(); } } public void save(CssClass cssClass) { SqlSession session = sqlSessionFactory.openSession(); try { DateTime current = DateTime.now(DateTimeZone.UTC); cssClass.setModifiedDate(current); if (cssClass.getId() > 0) { cssClassMapper.update(cssClass); } else { cssClass.setCreatedDate(current); cssClassMapper.insert(cssClass); } } catch (Exception ex) { logger.error("Error saving css class", ex); } finally { session.commit(); session.close(); } } public void saveContainerRel(CssClass cssClass, Container container) { SqlSession session = sqlSessionFactory.openSession(); try { cssClassMapper.insertContainerClasses(container.getId(), cssClass.getId()); } finally { session.commit(); session.close(); } } public CssClass get(long id) { SqlSession session = sqlSessionFactory.openSession(); try { return cssClassMapper.select(id); } finally { session.close(); } } public void delete(CssClass cssClass) { SqlSession session = sqlSessionFactory.openSession(); try { cssClassMapper.delete(cssClass.getId()); } finally { session.commit(); session.close(); } } public List<CssClass> findByContainer(long id) { SqlSession session = sqlSessionFactory.openSession(); try { return cssClassMapper.findByContainer(); } finally { session.close(); } } }