spring-batch JdbcCustomerDebitDao 源码
spring-batch JdbcCustomerDebitDao 代码
文件路径：/spring-batch-samples/src/main/java/org/springframework/batch/sample/domain/trade/internal/JdbcCustomerDebitDao.java
/*
* Copyright 2006-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.batch.sample.domain.trade.internal;
import javax.sql.DataSource;
import org.springframework.batch.sample.domain.trade.CustomerDebit;
import org.springframework.batch.sample.domain.trade.CustomerDebitDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcOperations;
import org.springframework.jdbc.core.JdbcTemplate;
/**
* Reduces customer's credit by the provided amount.
*
* @author Robert Kasanicky
*/
public class JdbcCustomerDebitDao implements CustomerDebitDao {
private static final String UPDATE_CREDIT = "UPDATE CUSTOMER SET credit= credit-? WHERE name=?";
private JdbcOperations jdbcTemplate;
@Override
public void write(CustomerDebit customerDebit) {
jdbcTemplate.update(UPDATE_CREDIT, customerDebit.getDebit(), customerDebit.getName());
}
@Autowired
public void setDataSource(DataSource dataSource) {
this.jdbcTemplate = new JdbcTemplate(dataSource);
}
}
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