titleauthordao.java

带分页显示的简单例子 Hibernate

package fmq.model.dao;

import fmq.model.bo.*;
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.criterion.Example;

/**
 * Data access object (DAO) for domain model class Titleauthor.
 * 
 * @see fmq.model.dao.Titleauthor
 * @author MyEclipse Persistence Tools
 */

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

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

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

	public Titleauthor findById(fmq.model.bo.TitleauthorId id) {
		log.debug("getting Titleauthor instance with id: " + id);
		try {
			Titleauthor instance = (Titleauthor) getSession().get(
					"fmq.model.dao.Titleauthor", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Titleauthor instance) {
		log.debug("finding Titleauthor instance by example");
		try {
			List results = getSession().createCriteria(
					"fmq.model.dao.Titleauthor").add(Example.create(instance))
					.list();
			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 Titleauthor instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Titleauthor as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findAll() {
		log.debug("finding all Titleauthor instances");
		try {
			String queryString = "from Titleauthor";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

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

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

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