authorsdao.java

来自「Spring+acegi+ext2.0+mysql 开发 acegi做权限控制」· Java 代码 · 共 156 行

package com.mypro.hibernate.dao;

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.mypro.hibernate.bean.Authors;

/**
 * A data access object (DAO) providing persistence and search support for
 * Authors 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.mypro.hibernate.bean.Authors
 * @author MyEclipse Persistence Tools
 */

public class AuthorsDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(AuthorsDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String SEX = "sex";
	public static final String COUNTRY = "country";

	protected void initDao() {
		// do nothing
	}

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

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

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

	public List findByExample(Authors instance) {
		log.debug("finding Authors 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 Authors instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Authors 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 findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findBySex(Object sex) {
		return findByProperty(SEX, sex);
	}

	public List findByCountry(Object country) {
		return findByProperty(COUNTRY, country);
	}

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

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

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

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

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