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.apache.commons.logging.Log; 022import org.apache.commons.logging.LogFactory; 023import org.springframework.batch.sample.domain.trade.Trade; 024import org.springframework.batch.sample.domain.trade.TradeDao; 025import org.springframework.jdbc.core.JdbcOperations; 026import org.springframework.jdbc.core.JdbcTemplate; 027import org.springframework.jdbc.support.incrementer.DataFieldMaxValueIncrementer; 028 029 030/** 031 * Writes a Trade object to a database 032 * 033 * @author Robert Kasanicky 034 */ 035public class JdbcTradeDao implements TradeDao { 036 private Log log = LogFactory.getLog(JdbcTradeDao.class); 037 /** 038 * template for inserting a row 039 */ 040 private static final String INSERT_TRADE_RECORD = "INSERT INTO TRADE (id, version, isin, quantity, price, customer) VALUES (?, 0, ?, ? ,?, ?)"; 041 042 /** 043 * handles the processing of SQL query 044 */ 045 private JdbcOperations jdbcTemplate; 046 047 /** 048 * database is not expected to be setup for auto increment 049 */ 050 private DataFieldMaxValueIncrementer incrementer; 051 052 /** 053 * @see TradeDao 054 */ 055 @Override 056 public void writeTrade(Trade trade) { 057 Long id = incrementer.nextLongValue(); 058 log.debug("Processing: " + trade); 059 jdbcTemplate.update(INSERT_TRADE_RECORD, 060 id, trade.getIsin(), trade.getQuantity(), trade.getPrice(), 061 trade.getCustomer()); 062 } 063 064 public void setDataSource(DataSource dataSource) { 065 this.jdbcTemplate = new JdbcTemplate(dataSource); 066 } 067 068 public void setIncrementer(DataFieldMaxValueIncrementer incrementer) { 069 this.incrementer = incrementer; 070 } 071 072}