package com.xttc.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.classic.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.xttc.pojo.Classinfo;
import com.xttc.pojo.Recipeinfo;

/**
 * A data access object (DAO) providing persistence and search support for
 * Classinfo 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.xttc.pojo.Classinfo
 * @author MyEclipse Persistence Tools
 */

public class ClassinfoDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(ClassinfoDAO.class);
	// property constants
	public static final String CLASS_NAME = "className";
	public static final String UNIT = "unit";
	public static final String REMARK = "remark";
	
	Connection conn = null;
	PreparedStatement pstm = null;
	ResultSet rs = null;

	protected void initDao() {
		// do nothing
	}

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

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

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

	public List findByExample(Classinfo instance) {
		log.debug("finding Classinfo 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 Classinfo instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Classinfo 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 findByClassName(Object className) {
		return findByProperty(CLASS_NAME, className);
	}

	public List findByUnit(Object unit) {
		return findByProperty(UNIT, unit);
	}

	public List findByRemark(Object remark) {
		return findByProperty(REMARK, remark);
	}

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

		log.debug("finding Classinfo instance by example");
		List<Classinfo> list = new ArrayList<Classinfo>();
		String sql = "select * from Classinfo where  className like '%" + instance.getClassName()+ "%'";
		Session session = getHibernateTemplate().getSessionFactory()
				.openSession();
		conn = session.connection();
		try {
			pstm = conn.prepareStatement(sql);
			rs = pstm.executeQuery();
			while (rs.next()) {
				Classinfo classinfo= new Classinfo();
				classinfo.setClassName(rs.getString("className"));
				classinfo.setUnit(rs.getString("unit"));
				list.add(classinfo);
					
					
				   }
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			try {
				rs.close();
				pstm.close();
				conn.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		return list;
	}
	

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

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

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

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