sysuserdao.java

一个简单ssh+extjs的人力资源管理系统（转载）

package com.idealab.dao;

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
/**
 * A data access object (DAO) providing persistence and search support for
 * Sysuser 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 com.idealab.dao.Sysuser
 * @author MyEclipse Persistence Tools
 */

public class SysuserDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(SysuserDAO.class);
	// property constants
	public static final String PK_OUTER_CORP = "pkOuterCorp";
	public static final String USERNAME = "username";
	public static final String USERTYPE = "usertype";
	public static final String PWD = "pwd";
	public static final String ISEMP = "isemp";
	public static final String PK_EMP = "pkEmp";
	public static final String EMAIL = "email";
	public static final String USERDUTY = "userduty";

	public boolean save(Sysuser transientInstance) {
		log.debug("saving Sysuser instance");
		try {
			Session session = getSession();
			Transaction ts = session.beginTransaction();
			session.save(transientInstance);
			ts.commit();
			session.close();
			log.debug("save successful");
			return true;
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public boolean delete(Sysuser persistentInstance) {
		log.debug("deleting Sysuser instance");
		try {
			Session session = getSession();
			Transaction ts = session.beginTransaction();
			session.delete(persistentInstance);
			ts.commit();
			session.close();
			log.debug("delete successful");
			return true;
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

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

	public List findByExample(Sysuser instance) {
		log.debug("finding Sysuser instance by example");
		try {
			List results = getSession().createCriteria(
					"com.idealab.dao.Sysuser").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 Sysuser instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Sysuser 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 Sysuser findByNamePwdType(String username, String pwd,
			String usertype) {
		try {
			String sql = "from Sysuser as u where u.username='"+username+"' and u.pwd='"+pwd+"' and u.usertype='"+usertype+"'";
			Query query = getSession().createQuery(sql);
			if(query.list().size()==1)
				return (Sysuser) query.list().get(0);
			else return null;
		} catch (RuntimeException re) {
			re.printStackTrace();
			throw re;// 包含什么意义？？
		}
	}

	public List findByPkOuterCorp(Object pkOuterCorp) {
		return findByProperty(PK_OUTER_CORP, pkOuterCorp);
	}

	public List findByUsername(Object username) {
		return findByProperty(USERNAME, username);
	}

	public List findByUsertype(Object usertype) {
		return findByProperty(USERTYPE, usertype);
	}
	
	public List findByIsemp(Object isemp) {
		return findByProperty(ISEMP, isemp);
	}

	public List findByPkEmp(Object pkEmp) {
		return findByProperty(PK_EMP, pkEmp);
	}

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

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

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

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