customerdao.java

网上购物系统 基于jsp实现 运行环境eclipse+My SQL+TomCat

package book.jsj0707.dao;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import book.jsj0707.entity.Customer;

/**
 * A data access object (DAO) providing persistence and search support for
 * Customer 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 book.jsj0707.dao.Customer
 * @author MyEclipse Persistence Tools
 */

public class CustomerDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(CustomerDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String PASSWORD = "password";
	public static final String ADDRESS = "address";
	public static final String POSTCODE = "postcode";
	public static final String EMAIL = "email";
	public static final String PHONECALL = "phonecall";

	protected void initDao() {
		// do nothing
	}

	public void save(Customer transientInstance) {
		log.debug("saving Customer instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Customer persistentInstance) {
		log.debug("deleting Customer instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Customer findById(java.lang.Long id) {
		log.debug("getting Customer instance with id: " + id);
		try {
			Customer instance = (Customer) getHibernateTemplate().get(
					"book.jsj0707.dao.Customer", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Customer instance) {
		log.debug("finding Customer instance by example");
		try {
			List results = 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 Customer instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Customer 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 findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByPassword(Object password) {
		return findByProperty(PASSWORD, password);
	}

	public List findByAddress(Object address) {
		return findByProperty(ADDRESS, address);
	}

	public List findByPostcode(Object postcode) {
		return findByProperty(POSTCODE, postcode);
	}

	public List findByEmail(Object email) {
		return findByProperty(EMAIL, email);
	}

	public List findByPhonecall(Object phonecall) {
		return findByProperty(PHONECALL, phonecall);
	}

	public List findAll() {
		log.debug("finding all Customer instances");
		try {
			String queryString = "from Customer";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Customer merge(Customer detachedInstance) {
		log.debug("merging Customer instance");
		try {
			Customer result = (Customer) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Customer instance) {
		log.debug("attaching dirty Customer instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Customer instance) {
		log.debug("attaching clean Customer instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static CustomerDAO getFromApplicationContext(ApplicationContext ctx) {
		return (CustomerDAO) ctx.getBean("CustomerDAO");
	}
}