producttypedaohibernate.java

STRUTS数据库项目开发宝典

package com.relationinfo.dao.hibernate;

import java.util.List;

import com.relationinfo.model.Producttype;
import com.relationinfo.dao.ProducttypeDAO;

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 ProducttypeDAOHibernate extends BaseDAOHibernate implements ProducttypeDAO {

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

    /**
     * @see com.relationinfo.dao.ProducttypeDAO#getProducttype(String producttypecode)
     */
    public Producttype getProducttype(final String producttypecode) {
        Producttype producttype = (Producttype) getHibernateTemplate().get(Producttype.class, producttypecode);
        if (producttype == null) {
            log.warn("uh oh, producttype with producttypecode '" + producttypecode + "' not found...");
            throw new ObjectRetrievalFailureException(Producttype.class, producttypecode);
        }

        return producttype;
    }

    /**
     * @see com.relationinfo.dao.ProducttypeDAO#saveProducttype(Producttype producttype)
     */    
    public void saveProducttype(final Producttype producttype) {
        getHibernateTemplate().saveOrUpdate(producttype);
    }

    /**
     * @see com.relationinfo.dao.ProducttypeDAO#removeProducttype(String producttypecode)
     */
    public void removeProducttype(final String producttypecode) {
        getHibernateTemplate().delete(getProducttype(producttypecode));
    }
}