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