/*
* Copyright 2006-2013 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.core.step.tasklet;
import org.apache.commons.dbcp.BasicDataSource;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobParameter;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.job.JobSupport;
import org.springframework.batch.core.repository.JobRepository;
import org.springframework.batch.item.ItemReader;
import org.springframework.batch.item.ItemWriter;
import org.springframework.batch.item.support.ListItemReader;
import org.springframework.batch.repeat.policy.SimpleCompletionPolicy;
import org.springframework.batch.repeat.support.RepeatTemplate;
import org.springframework.batch.repeat.support.TaskExecutorRepeatTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
/**
* @author Dave Syer
*
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "/org/springframework/batch/core/repository/dao/sql-dao-test.xml")
public class AsyncChunkOrientedStepIntegrationTests {
private TaskletStep step;
private Job job;
private List<String> written = new ArrayList<String>();
@Autowired
private PlatformTransactionManager transactionManager;
@Autowired
private BasicDataSource dataSource;
@Autowired
private JobRepository jobRepository;
private RepeatTemplate chunkOperations;
private int maxActive;
private int maxIdle;
private ItemReader<String> getReader(String[] args) {
return new ListItemReader<String>(Arrays.asList(args));
}
@After
public void reset() {
// Reset concurrency settings to something reasonable
dataSource.setMaxActive(maxActive);
dataSource.setMaxIdle(maxIdle);
}
@Before
public void init() throws Exception {
maxActive = dataSource.getMaxActive();
maxIdle = dataSource.getMaxIdle();
// Force deadlock with batch waiting for DB pool and vice versa
dataSource.setMaxActive(1);
dataSource.setMaxIdle(1);
step = new TaskletStep("stepName");
step.setJobRepository(jobRepository);
step.setTransactionManager(transactionManager);
// Only process one item:
chunkOperations = new RepeatTemplate();
chunkOperations.setCompletionPolicy(new SimpleCompletionPolicy(1));
job = new JobSupport("FOO");
TaskExecutorRepeatTemplate repeatTemplate = new TaskExecutorRepeatTemplate();
repeatTemplate.setThrottleLimit(2);
repeatTemplate.setTaskExecutor(new SimpleAsyncTaskExecutor());
step.setStepOperations(repeatTemplate);
step.setTransactionManager(transactionManager);
}
@Test
@Ignore
public void testStatus() throws Exception {
step.setTasklet(new TestingChunkOrientedTasklet<String>(getReader(new String[] { "a", "b", "c", "a", "b", "c",
"a", "b", "c", "a", "b", "c" }), new ItemWriter<String>() {
@Override
public void write(List<? extends String> data) throws Exception {
written.addAll(data);
}
}, chunkOperations));
final JobExecution jobExecution = jobRepository.createJobExecution(job.getName(),
new JobParameters(Collections.singletonMap("run.id", new JobParameter(getClass().getName() + ".1"))));
StepExecution stepExecution = new StepExecution(step.getName(), jobExecution);
jobRepository.add(stepExecution);
step.execute(stepExecution);
assertEquals(BatchStatus.COMPLETED, stepExecution.getStatus());
// Need a transaction so one connection is enough to get job execution and its parameters
StepExecution lastStepExecution = new TransactionTemplate(transactionManager)
.execute(new TransactionCallback<StepExecution>() {
@Override
public StepExecution doInTransaction(TransactionStatus status) {
return jobRepository.getLastStepExecution(jobExecution.getJobInstance(), step.getName());
}
});
assertEquals(lastStepExecution, stepExecution);
assertFalse(lastStepExecution == stepExecution);
}
}