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1   /*
2    * Copyright 2006-2012 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.batch.sample.domain.trade.internal;
18  
19  import javax.sql.DataSource;
20  
21  import org.springframework.batch.sample.domain.trade.CustomerDebit;
22  import org.springframework.batch.sample.domain.trade.CustomerDebitDao;
23  import org.springframework.beans.factory.annotation.Autowired;
24  import org.springframework.jdbc.core.JdbcOperations;
25  import org.springframework.jdbc.core.JdbcTemplate;
26  
27  
28  /**
29   * Reduces customer's credit by the provided amount.
30   *
31   * @author Robert Kasanicky
32   */
33  public class JdbcCustomerDebitDao implements CustomerDebitDao {
34  
35      private static final String UPDATE_CREDIT = "UPDATE CUSTOMER SET credit= credit-? WHERE name=?";
36  
37      private JdbcOperations jdbcTemplate;
38  
39      public void write(CustomerDebit customerDebit) {
40          jdbcTemplate.update(UPDATE_CREDIT, customerDebit.getDebit(), customerDebit.getName());
41      }
42  
43      @Autowired
44  	public void setDataSource(DataSource dataSource) {
45          this.jdbcTemplate = new JdbcTemplate(dataSource);
46      }
47  
48  }