useresdao.java

hibernate+struts+jsp 的运用

package com.table;

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

/**
 * Data access object (DAO) for domain model class Useres.
 * 
 * @see com.table.Useres
 * @author MyEclipse Persistence Tools
 */

public class UseresDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(UseresDAO.class);

	// property constants
	public static final String USER = "user";

	public static final String PWD = "pwd";

	public static final String TEL = "tel";

	public static final String AIHAO = "aihao";

	public static final String EMAIL = "email";

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

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

	public Useres findById(java.lang.String id) {
		log.debug("getting Useres instance with id: " + id);
		try {
			Useres instance = (Useres) getSession().get("com.table.Useres", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Useres instance) {
		log.debug("finding Useres instance by example");
		try {
			List results = getSession().createCriteria("com.table.Useres").add(
					Example.create(instance)).list();
			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 Useres instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Useres as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByUser(Object user) {
		return findByProperty(USER, user);
	}

	public List findByPwd(Object pwd) {
		return findByProperty(PWD, pwd);
	}

	public List findByTel(Object tel) {
		return findByProperty(TEL, tel);
	}

	public List findByAihao(Object aihao) {
		return findByProperty(AIHAO, aihao);
	}

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

	public List findAll() {
		log.debug("finding all Useres instances");
		try {
			String queryString = "from Useres";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

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

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

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