src/com/dao/TStuDAO.java

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package com.dao;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.model.TStu;

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

	protected void initDao() {
		// do nothing
	}

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

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

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

	public List findByExample(TStu instance) {
		log.debug("finding TStu instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {