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.common.ads; import java.util.List; import org.hibernate.LockMode; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * A data access object (DAO) providing persistence and search support for * PsItemPromotInfo 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 temp.PsItemPromotInfo * @author MyEclipse Persistence Tools */ public class PsItemPromotInfoDAO extends HibernateDaoSupport { private static final Logger log = LoggerFactory.getLogger(PsItemPromotInfoDAO.class); // property constants public static final String KEY = "key"; public static final String VALUE = "value"; protected void initDao() { // do nothing } public void save(PsItemPromotInfo transientInstance) { log.debug("saving PsItemPromotInfo instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(PsItemPromotInfo persistentInstance) { log.debug("deleting PsItemPromotInfo instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public PsItemPromotInfo findById(PsItemPromotInfoId id) { log.debug("getting PsItemPromotInfo instance with id: " + id); try { PsItemPromotInfo instance = (PsItemPromotInfo) getHibernateTemplate() .get("com.bitranger.parknshop.common.ads.PsItemPromotInfo", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List<PsItemPromotInfo> findByExample(PsItemPromotInfo instance) { log.debug("finding PsItemPromotInfo instance by example"); try { List<PsItemPromotInfo> results = (List<PsItemPromotInfo>) getHibernateTemplate() .findByExample(instance); log.debug("find by example successful, result size: " + results.size()); return results; } catch (RuntimeException re) { log.error("find by example failed", re); throw re; } } public List findByProperty(String propertyName, Object value) { log.debug("finding PsItemPromotInfo instance with property: " + propertyName + ", value: " + value); try { String queryString = "from PsItemPromotInfo as model where model." + propertyName + "= ?"; return getHibernateTemplate().find(queryString, value); } catch (RuntimeException re) { log.error("find by property name failed", re); throw re; } } public List<PsItemPromotInfo> findByKey(Object key) { return findByProperty(KEY, key); } public List<PsItemPromotInfo> findByValue(Object value) { return findByProperty(VALUE, value); } public List findAll() { log.debug("finding all PsItemPromotInfo instances"); try { String queryString = "from PsItemPromotInfo"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public PsItemPromotInfo merge(PsItemPromotInfo detachedInstance) { log.debug("merging PsItemPromotInfo instance"); try { PsItemPromotInfo result = (PsItemPromotInfo) getHibernateTemplate().merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(PsItemPromotInfo instance) { log.debug("attaching dirty PsItemPromotInfo instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(PsItemPromotInfo instance) { log.debug("attaching clean PsItemPromotInfo instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static PsItemPromotInfoDAO getFromApplicationContext(ApplicationContext ctx) { return (PsItemPromotInfoDAO) ctx.getBean("PsItemPromotInfoDAO"); } }