Java tutorial
/******************************************************************************* * Copyright (c) 2014 BitRangers (Team C1). * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * BitRangers (Team C1) - initial API and implementation ******************************************************************************/ package com.bitranger.parknshop.seller.dao.impl; import java.sql.SQLException; import java.util.List; import org.hibernate.HibernateException; import org.hibernate.SQLQuery; import org.hibernate.Session; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.orm.hibernate3.HibernateCallback; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import com.bitranger.parknshop.common.dao.FetchOption; import com.bitranger.parknshop.common.dao.SortOption; import com.bitranger.parknshop.seller.dao.IPsShopDAO; import com.bitranger.parknshop.seller.model.PsOrder; import com.bitranger.parknshop.seller.model.PsShop; /** * A data access object (DAO) providing persistence and search support for * PsShop entities. Transaction control of the save(), update() and delete() * operations can directly support Spring container-managed transactions or they * can be augmented to handle user-managed Spring transactions. Each of these * methods provides additional information for how to configure it for the * desired type of transaction control. * * @see com.bitranger.parknshop.seller.model.PsShop * @author MyEclipse Persistence Tools */ public class PsShopDAO extends HibernateDaoSupport implements IPsShopDAO { private static final Logger log = LoggerFactory.getLogger(PsShopDAO.class); // property constants public static final String NAME = "name"; public static final String STATUS = "status"; public static final String INTRODUCTION = "introduction"; public static final String VOTE = "vote"; protected void initDao() { // do nothing } public void save(PsShop transientInstance) { log.debug("saving PsShop instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(PsShop persistentInstance) { log.debug("deleting PsShop instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } @Override public void update(PsShop detachedInstance) { log.debug("updating PsShop instance"); try { getHibernateTemplate().update(detachedInstance); log.debug("update successful"); } catch (RuntimeException re) { log.error("update failed", re); throw re; } } @Override public PsShop findByShopId(Integer id) { log.debug("getting PsShop instance with id: " + id); try { PsShop instance = (PsShop) getHibernateTemplate().get("com.bitranger.parknshop.seller.model.PsShop", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } @SuppressWarnings("unchecked") @Override public List<PsShop> findBySellerId(final Integer id) { try { return getHibernateTemplate().executeFind(new HibernateCallback<List<PsShop>>() { @Override public List<PsShop> doInHibernate(Session session) throws HibernateException, SQLException { SQLQuery query = session.createSQLQuery("select * from ps_shop as P where P.id_seller = ?"); query.setInteger(0, id); return query.addEntity(PsShop.class).list(); } }); } catch (RuntimeException re) { log.error("find by seller id failed", re); throw re; } } @Override public List<PsShop> searchByKeyword(String name) { return null; } @SuppressWarnings("unchecked") @Override public List<PsShop> findAllSortByVote(final FetchOption op) { try { return getHibernateTemplate().executeFind(new HibernateCallback<List<PsShop>>() { @Override public List<PsShop> doInHibernate(Session session) throws HibernateException, SQLException { SQLQuery query = session.createSQLQuery("select * from ps_shop order by vote " + (op.sortOption == SortOption.ASCENDING ? "asc" : "desc")); return query.addEntity(PsShop.class).list(); } }); } catch (RuntimeException re) { log.error("find all seller failed", re); throw re; } } @Override @SuppressWarnings("unchecked") public List<PsShop> findAll() { try { String queryString = "com.bitranger.parknshop.seller.model.PsShop"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all by state failed", re); throw re; } } @SuppressWarnings("unchecked") @Override public List<PsShop> findAllSortByName(final FetchOption op) { try { return getHibernateTemplate().executeFind(new HibernateCallback<List<PsShop>>() { @Override public List<PsShop> doInHibernate(Session session) throws HibernateException, SQLException { SQLQuery query = session.createSQLQuery("select * from ps_shop order by name " + (op.sortOption == SortOption.ASCENDING ? "asc" : "desc")); return query.addEntity(PsShop.class).list(); } }); } catch (RuntimeException re) { log.error("find all seller failed", re); throw re; } } }