zhaopindaohibernate.java

STRUTS数据库项目开发宝典

package com.relationinfo.dao.hibernate;

import java.util.List;

import com.relationinfo.model.Zhaopin;
import com.relationinfo.dao.ZhaopinDAO;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.criterion.Example;
import org.hibernate.criterion.MatchMode;

import org.springframework.orm.ObjectRetrievalFailureException;
import org.springframework.orm.hibernate3.HibernateCallback;

public class ZhaopinDAOHibernate extends BaseDAOHibernate implements ZhaopinDAO {

    /**
     * @see com.relationinfo.dao.ZhaopinDAO#getZhaopins(com.relationinfo.model.Zhaopin)
     */
    public List getZhaopins(final Zhaopin zhaopin) {
        if (zhaopin == null) {
            return getHibernateTemplate().find("from Zhaopin");
        } else {
            // filter on properties set in the zhaopin
            HibernateCallback callback = new HibernateCallback() {
                public Object doInHibernate(Session session) throws HibernateException {
                    Example ex = Example.create(zhaopin).ignoreCase().enableLike(MatchMode.ANYWHERE);
                    return session.createCriteria(Zhaopin.class).add(ex).list();
                }
            };
            return (List) getHibernateTemplate().execute(callback);
        }
    }

    /**
     * @see com.relationinfo.dao.ZhaopinDAO#getZhaopin(String zpcode)
     */
    public Zhaopin getZhaopin(final String zpcode) {
        Zhaopin zhaopin = (Zhaopin) getHibernateTemplate().get(Zhaopin.class, zpcode);
        if (zhaopin == null) {
            log.warn("uh oh, zhaopin with zpcode '" + zpcode + "' not found...");
            throw new ObjectRetrievalFailureException(Zhaopin.class, zpcode);
        }

        return zhaopin;
    }

    /**
     * @see com.relationinfo.dao.ZhaopinDAO#saveZhaopin(Zhaopin zhaopin)
     */    
    public void saveZhaopin(final Zhaopin zhaopin) {
        getHibernateTemplate().saveOrUpdate(zhaopin);
    }

    /**
     * @see com.relationinfo.dao.ZhaopinDAO#removeZhaopin(String zpcode)
     */
    public void removeZhaopin(final String zpcode) {
        getHibernateTemplate().delete(getZhaopin(zpcode));
    }
}