001/*
002 * Copyright 2006-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.batch.sample.domain.trade.internal;
018
019import javax.sql.DataSource;
020
021import org.springframework.batch.sample.domain.trade.CustomerDebit;
022import org.springframework.batch.sample.domain.trade.CustomerDebitDao;
023import org.springframework.beans.factory.annotation.Autowired;
024import org.springframework.jdbc.core.JdbcOperations;
025import org.springframework.jdbc.core.JdbcTemplate;
026
027
028/**
029 * Reduces customer's credit by the provided amount.
030 *
031 * @author Robert Kasanicky
032 */
033public class JdbcCustomerDebitDao implements CustomerDebitDao {
034
035    private static final String UPDATE_CREDIT = "UPDATE CUSTOMER SET credit= credit-? WHERE name=?";
036
037    private JdbcOperations jdbcTemplate;
038
039    @Override
040        public void write(CustomerDebit customerDebit) {
041        jdbcTemplate.update(UPDATE_CREDIT, customerDebit.getDebit(), customerDebit.getName());
042    }
043
044    @Autowired
045        public void setDataSource(DataSource dataSource) {
046        this.jdbcTemplate = new JdbcTemplate(dataSource);
047    }
048
049}