userinfodao.java

来自「一套自己原先在学校作的CRM,大家指点下」· Java 代码 · 共 185 行

package com.crm.dao;

import java.util.ArrayList;
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.orm.hibernate3.support.HibernateDaoSupport;
import com.crm.pojo.UserInfo;

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

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

	// property constants
	public static final String USER_NAME = "userName";

	public static final String USER_PASSWORD = "userPassword";

	public static final String USER_FLAG = "userFlag";

	protected void initDao() {
		// do nothing
	}

	/* （非 Javadoc）
	 * @see com.crm.dao.IUserInfoDAO#save(com.crm.pojo.UserInfo)
	 */
	public void save(UserInfo transientInstance) {
		log.debug("saving UserInfo instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/* （非 Javadoc）
	 * @see com.crm.dao.IUserInfoDAO#delete(com.crm.pojo.UserInfo)
	 */
	public void delete(UserInfo persistentInstance) {
		log.debug("deleting UserInfo instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	/* （非 Javadoc）
	 * @see com.crm.dao.IUserInfoDAO#findById(java.lang.Integer)
	 */
	public UserInfo findById(java.lang.Integer id) {
		log.debug("getting UserInfo instance with id: " + id);
		try {
			UserInfo instance = (UserInfo) getHibernateTemplate().get(
					"com.crm.pojo.UserInfo", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	/* （非 Javadoc）
	 * @see com.crm.dao.IUserInfoDAO#findByExample(com.crm.pojo.UserInfo)
	 */
	public List findByExample(UserInfo instance) {
		log.debug("finding UserInfo 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;
		}
	}

	/* （非 Javadoc）
	 * @see com.crm.dao.IUserInfoDAO#findByProperty(java.lang.String, java.lang.Object)
	 */
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding UserInfo instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from UserInfo 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 findByUserName(Object userName) {
		return findByProperty(USER_NAME, userName);
	}

	public List findByUserPassword(Object userPassword) {
		return findByProperty(USER_PASSWORD, userPassword);
	}

	public List findByUserFlag(Object userFlag) {
		return findByProperty(USER_FLAG, userFlag);
	}

	/* （非 Javadoc）
	 * @see com.crm.dao.IUserInfoDAO#findAll()
	 */
	public List findAll() {
		log.debug("finding all UserInfo instances");
		try {
			String queryString = "from UserInfo";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	/* （非 Javadoc）
	 * @see com.crm.dao.IUserInfoDAO#merge(com.crm.pojo.UserInfo)
	 */
	public UserInfo merge(UserInfo detachedInstance) {
		log.debug("merging UserInfo instance");
		try {
			UserInfo result = (UserInfo) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

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

	public void attachClean(UserInfo instance) {
		log.debug("attaching clean UserInfo instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
	public boolean check(String name){
		Session s=this.getSessionFactory().openSession();
		String hql="from UserInfo where userName='"+name+"'";
		Query query=s.createQuery(hql);
		List list=new ArrayList();
		list=query.list();
		s.close();
		if(list.size()>0){
			return false;
		}else{
			return true;
		}
	}
}