userdao.java

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package crm.dao.sys;

import java.util.Iterator;
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.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import crm.entity.sys.UserEntity;

/**
 * Data access object (DAO) for domain model class UserEntity.
 * 
 * @see crm.entity.sys.UserEntity
 * @author MyEclipse Persistence Tools
 */

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

	// property constants
	public static final String USR_NAME = "usrName";

	public static final String USR_PASSWORD = "usrPassword";

	public static final String USR_FLAG = "usrFlag";

	protected void initDao() {
		// do nothing
	}

	/**
	 * 根据用户的编号查找用户的权限ID
	 */
	public List getByUseRolerId(int   userId)
	{
		Session session=this.getSession();
		String hql="select user from UserEntity as user where user.usrId=?";
		Query  query=session.createQuery(hql);
		query.setInteger(0, userId);
		return query.list();
	}
	
	/**
	 * HQL 连接查询 inner join
	 * 根据权限ID(RoleEntity) 得到其所有的用户信息(UserEntity)
	 */
	public List getByRoleId(Long id)
	{
		String hql="select user from UserEntity as user inner join user.sysRole as role where role.roleId=?";
		return (List)getHibernateTemplate().find(hql, id);
		
	}
	
	/**
	 * 根据客户经理的名字去查找客户经理的编号
	 */
	public List getByCustManagerId(String custManagerName)
	{
		Session session=this.getSession();
		String hql="select user.usrId from UserEntity as user where user.usrName=?";
		Query query=session.createQuery(hql);
		query.setString(0, custManagerName);
		List list=query.list();
		return list;
	}
	
	public void save(UserEntity transientInstance) {
		log.debug("saving UserEntity instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(UserEntity persistentInstance) {
		log.debug("deleting UserEntity instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}
 
	/**
	 * 删除方法(根据id删除)
	 */
	public void delete(int id)
	{
		long lid=id;    //将int型转换成long型
		this.delete(this.findById(lid));
	}	
	 //按用户名查找编号
	public int findName(String uname)
	{
		int id=0;
		String hql="select user.usrId from UserEntity as user where user.usrName=?";
		Query query=this.getSession().createQuery(hql);
		query.setString(0, uname);
		Iterator t=query.list().iterator();
		if(t.hasNext())
		{
			t.next();
			System.out.println(id);
		}
		return id;
	}
     
	public UserEntity findById(java.lang.Long id) {
		log.debug("getting UserEntity instance with id: " + id);
		try {
			UserEntity instance = (UserEntity) getHibernateTemplate().get(
					"crm.entity.sys.UserEntity", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(UserEntity instance) {
		log.debug("finding UserEntity 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 UserEntity instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from UserEntity 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 findByUsrName(Object usrName) {
		return findByProperty(USR_NAME, usrName);
	}

	public List findByUsrPassword(Object usrPassword) {
		return findByProperty(USR_PASSWORD, usrPassword);
	}

	public List findByUsrFlag(Object usrFlag) {
		return findByProperty(USR_FLAG, usrFlag);
	}

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

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

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

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

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