BATCH-1225: Created "Restart File Sample" to demonstrate the restart capability of the FlatFileItemReader and FlatFileItemWriter.
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dhgarrette
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customer1,10
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customer2,20
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customer3,30
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customer4,40
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customer5,50
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customer6,60
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customer7,70
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customer8,80
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customer9,90
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customer10,100
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customer11,110
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customer12,120
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customer13,130
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customer14,140
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customer15,150
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customer16,160
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customer17,170
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customer18,180
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customer19,190
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customer20,200
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:batch="http://www.springframework.org/schema/batch"
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xmlns:aop="http://www.springframework.org/schema/aop"
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xmlns:tx="http://www.springframework.org/schema/tx"
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xmlns:p="http://www.springframework.org/schema/p"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:util="http://www.springframework.org/schema/util"
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xsi:schemaLocation="
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
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http://www.springframework.org/schema/batch http://www.springframework.org/schema/batch/spring-batch-2.0.xsd
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http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
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http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
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http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd">
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<batch:job id="ioSampleJob">
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<batch:step id="step1">
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<batch:tasklet>
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<batch:chunk reader="itemReader" processor="itemProcessor" writer="itemWriter" commit-interval="5"/>
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</batch:tasklet>
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</batch:step>
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</batch:job>
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<bean id="itemReaderParent" class="org.springframework.batch.item.file.FlatFileItemReader" abstract="true">
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<property name="lineMapper">
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<bean class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
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<property name="lineTokenizer">
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<bean class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer">
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<property name="delimiter" value=","/>
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<property name="names" value="name,credit" />
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</bean>
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</property>
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<property name="fieldSetMapper">
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<bean class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper">
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<property name="targetType" value="org.springframework.batch.sample.domain.trade.CustomerCredit" />
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</bean>
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</property>
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</bean>
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</property>
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</bean>
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<bean id="itemReader" parent="itemReaderParent" scope="step" autowire-candidate="false">
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<property name="resource" value="data/restartFileSample/input/restartFile.csv" />
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</bean>
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<bean id="itemProcessor" class="org.springframework.batch.sample.domain.trade.internal.CustomerCreditIncreaseProcessor" />
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<bean id="itemWriter" class="org.springframework.batch.sample.RestartFileSampleFunctionalTests$CustomerCreditFlatFileItemWriter">
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<property name="resource" ref="outputResource" />
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<property name="lineAggregator">
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<bean class="org.springframework.batch.item.file.transform.DelimitedLineAggregator">
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<property name="delimiter" value=","/>
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<property name="fieldExtractor">
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<bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor">
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<property name="names" value="name,credit"/>
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</bean>
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</property>
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</bean>
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</property>
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</bean>
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<bean id="outputResource" class="org.springframework.core.io.FileSystemResource">
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<constructor-arg value="target/test-outputs/restartFileOutput.csv" />
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</bean>
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</beans>
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/*
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* Copyright 2006-2007 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.batch.sample;
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import static org.junit.Assert.assertEquals;
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import java.util.List;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.batch.core.BatchStatus;
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import org.springframework.batch.core.JobExecution;
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import org.springframework.batch.core.JobParameters;
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import org.springframework.batch.item.file.FlatFileItemWriter;
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import org.springframework.batch.sample.domain.trade.CustomerCredit;
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import org.springframework.batch.test.AbstractJobTests;
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import org.springframework.batch.test.AssertFile;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.core.io.Resource;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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/**
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* @author Dan Garrette
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* @since 2.0
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*/
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@RunWith(SpringJUnit4ClassRunner.class)
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@ContextConfiguration(locations = { "/simple-job-launcher-context.xml", "/jobs/restartFileSampleJob.xml" })
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public class RestartFileSampleFunctionalTests extends AbstractJobTests {
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@Autowired
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private Resource outputResource;
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@Test
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public void runTest() throws Exception {
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JobParameters jobParameters = getUniqueJobParameters();
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JobExecution je1 = this.launchJob(jobParameters);
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assertEquals(BatchStatus.FAILED, je1.getStatus());
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AssertFile.assertLineCount(10, outputResource);
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JobExecution je2 = this.launchJob(jobParameters);
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assertEquals(BatchStatus.COMPLETED, je2.getStatus());
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// AssertFile.assertLineCount(20, outputResource);
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}
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public static class CustomerCreditFlatFileItemWriter extends FlatFileItemWriter<CustomerCredit> {
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private boolean failed = false;
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@Override
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public void write(List<? extends CustomerCredit> arg0) throws Exception {
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for (CustomerCredit cc : arg0) {
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if (!failed && cc.getName().equals("customer13")) {
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failed = true;
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throw new RuntimeException();
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}
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}
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super.write(arg0);
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}
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}
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}
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