/*
    * 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
    *
    *      http://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;
  
      public void write(CustomerDebit customerDebit) {
          jdbcTemplate.update(UPDATE_CREDIT, customerDebit.getDebit(), customerDebit.getName());
      }
  
      @Autowired
  	public void setDataSource(DataSource dataSource) {
          this.jdbcTemplate = new JdbcTemplate(dataSource);
      }
  
  }