studentattendancedetailsdao.java

教务管理系统

package com.zbaccp.ea.dao.impl;

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.zbaccp.ea.entity.Studentattendancedetails;

/**
 * A data access object (DAO) providing persistence and search support for
 * Studentattendancedetails 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.zbaccp.ea.entity.Studentattendancedetails
 * @author MyEclipse Persistence Tools
 */

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

	// property constants

	protected void initDao() {
		// do nothing
	}

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

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

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

	public List findByExample(Studentattendancedetails instance) {
		log.debug("finding Studentattendancedetails 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 Studentattendancedetails instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from Studentattendancedetails 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 findAll() {
		log.debug("finding all Studentattendancedetails instances");
		try {
			String queryString = "from Studentattendancedetails";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

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

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

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

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