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.admin.data; import java.sql.Timestamp; 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 * PsAdministrator 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 PsAdministrator * @author MyEclipse Persistence Tools */ public class PsAdministratorDAO extends HibernateDaoSupport { private static final Logger log = LoggerFactory.getLogger(PsAdministratorDAO.class); // property constants public static final String EMAIL = "email"; public static final String NAME = "name"; public static final String PASSWORD = "password"; protected void initDao() { // do nothing } public void save(PsAdministrator transientInstance) { log.debug("saving PsAdministrator instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(PsAdministrator persistentInstance) { log.debug("deleting PsAdministrator instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public void update(PsAdministrator persistentInstance) { log.debug("updating PsAdministrator instance"); try { getHibernateTemplate().update(persistentInstance); log.debug("update successful"); } catch (RuntimeException re) { log.error("update failed", re); throw re; } } public PsAdministrator findById(java.lang.Integer id) { log.debug("getting PsAdministrator instance with id: " + id); try { PsAdministrator instance = (PsAdministrator) getHibernateTemplate() .get("com.bitranger.parknshop.admin.data.PsAdministrator", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List<PsAdministrator> findByExample(PsAdministrator instance) { log.debug("finding PsAdministrator instance by example"); try { List<PsAdministrator> results = (List<PsAdministrator>) 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 PsAdministrator instance with property: " + propertyName + ", value: " + value); try { String queryString = "from PsAdministrator 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<PsAdministrator> findByEmail(Object email) { return findByProperty(EMAIL, email); } public List<PsAdministrator> findByName(Object name) { return findByProperty(NAME, name); } public List<PsAdministrator> findByPassword(Object password) { return findByProperty(PASSWORD, password); } public List<PsAdministrator> findAll() { log.debug("finding all PsAdministrator instances"); try { String queryString = "from PsAdministrator"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public PsAdministrator merge(PsAdministrator detachedInstance) { log.debug("merging PsAdministrator instance"); try { PsAdministrator result = (PsAdministrator) getHibernateTemplate().merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(PsAdministrator instance) { log.debug("attaching dirty PsAdministrator instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(PsAdministrator instance) { log.debug("attaching clean PsAdministrator instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static PsAdministratorDAO getFromApplicationContext(ApplicationContext ctx) { return (PsAdministratorDAO) ctx.getBean("PsAdministratorDAO"); } }