net.groupbuy.dao.impl.PaymentDaoImpl.java Source code

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Here is the source code for net.groupbuy.dao.impl.PaymentDaoImpl.java

Source

/*
 * Copyright 2005-2013 shopxx.net. All rights reserved.
 * Support: http://www.shopxx.net
 * License: http://www.shopxx.net/license
 */
package net.groupbuy.dao.impl;

import javax.persistence.FlushModeType;
import javax.persistence.NoResultException;

import net.groupbuy.dao.PaymentDao;
import net.groupbuy.entity.Payment;

import org.springframework.stereotype.Repository;

/**
 * Dao - ?
 * 
 * @author SHOP++ Team
 * @version 3.0
 */
@Repository("paymentDaoImpl")
public class PaymentDaoImpl extends BaseDaoImpl<Payment, Long> implements PaymentDao {

    public Payment findBySn(String sn) {
        if (sn == null) {
            return null;
        }
        String jpql = "select payment from Payment payment where lower(payment.sn) = lower(:sn)";
        try {
            return entityManager.createQuery(jpql, Payment.class).setFlushMode(FlushModeType.COMMIT)
                    .setParameter("sn", sn).getSingleResult();
        } catch (NoResultException e) {
            return null;
        }
    }

}