creditcarddaoimpl.java

Struts+Spring+Hibernate实现的在线拍卖系统,去掉了这些组件自身的jar包

package org.bestteam.dao.impl;

import java.util.List;

import org.bestteam.dao.CreditCardDao;
import org.bestteam.domain.CreditCard;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class CreditCardDaoImpl extends HibernateDaoSupport implements
		CreditCardDao {

	public static CreditCard getFromApplicationContext(ApplicationContext ctx) {
		return (CreditCard) ctx.getBean("creditCardDao");
	}
	
	public boolean attachClean(CreditCard instance) {
		try{
			getHibernateTemplate().lock(instance, LockMode.NONE);
		}catch(RuntimeException re) {
			re.printStackTrace();
			return false;
		}
		return true;
	}

	public boolean attachDirty(CreditCard instance) {
		try{
			getHibernateTemplate().saveOrUpdate(instance);
		}catch(RuntimeException re) {
			re.printStackTrace();
			return false;
		}
		return true;
	}

	public boolean delete(CreditCard persistentInstance) {
		try{
			getHibernateTemplate().delete(persistentInstance);
		}catch(RuntimeException re) {
			re.printStackTrace();
			return false;
		}
		return true;
	}

	public CreditCard findCreditCardById(Integer Id) {
		CreditCard creditCard = null;
		try{
			creditCard = (CreditCard) getHibernateTemplate().get(CreditCard.class, Id);
		}catch(RuntimeException re) {
			re.printStackTrace();
		}
		return creditCard;
	}

	public List findCreditCardListByExample(CreditCard instance) {
		List cardList = null;
		try{
			cardList = getHibernateTemplate().findByExample(instance);
		}catch(RuntimeException re) {
			re.printStackTrace();
		}
		return cardList;
	}

	public List findCreditCardListByProperty(String propertyName, Object value) {
		List cardList = null;
		try{
			String queryString = "from CreditCard as creditCard where creditCard." 
												+ propertyName + "=?";
			cardList = getHibernateTemplate().find(queryString, value);
		}catch(RuntimeException re) {
			re.printStackTrace();
		}
		return cardList;
	}

	public CreditCard merge(CreditCard detachedInstance) {
		CreditCard creditCard = null;
		try{
			creditCard = (CreditCard) getHibernateTemplate().merge(detachedInstance);
		}catch(RuntimeException re) {
			re.printStackTrace();
		}
		return creditCard;
	}

	public boolean save(CreditCard transientInstance) {
		try{
			getHibernateTemplate().save(transientInstance);
		}catch(RuntimeException re) {
			re.printStackTrace();
			return false;
		}
		return true;
	}

}