productdescdaohibernate.java

STRUTS数据库项目开发宝典

package com.relationinfo.dao.hibernate;

import java.util.List;

import com.relationinfo.model.Productdesc;
import com.relationinfo.dao.ProductdescDAO;

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 ProductdescDAOHibernate extends BaseDAOHibernate implements ProductdescDAO {

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

    /**
     * @see com.relationinfo.dao.ProductdescDAO#getProductdesc(String productdescid)
     */
    public Productdesc getProductdesc(final String productdescid) {
        Productdesc productdesc = (Productdesc) getHibernateTemplate().get(Productdesc.class, productdescid);
        if (productdesc == null) {
            log.warn("uh oh, productdesc with productdescid '" + productdescid + "' not found...");
            throw new ObjectRetrievalFailureException(Productdesc.class, productdescid);
        }

        return productdesc;
    }

    /**
     * @see com.relationinfo.dao.ProductdescDAO#saveProductdesc(Productdesc productdesc)
     */    
    public void saveProductdesc(final Productdesc productdesc) {
        getHibernateTemplate().saveOrUpdate(productdesc);
    }

    /**
     * @see com.relationinfo.dao.ProductdescDAO#removeProductdesc(String productdescid)
     */
    public void removeProductdesc(final String productdescid) {
        getHibernateTemplate().delete(getProductdesc(productdescid));
    }
}