/*
* Copyright 2008-2012 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.core.scope;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.scope.context.StepContext;
import org.springframework.batch.core.scope.context.StepSynchronizationManager;
import org.springframework.batch.item.ExecutionContext;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.ListableBeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.core.task.TaskExecutor;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class AsyncStepScopeIntegrationTests implements BeanFactoryAware {
private Log logger = LogFactory.getLog(getClass());
@Autowired
@Qualifier("simple")
private Collaborator simple;
private TaskExecutor taskExecutor = new SimpleAsyncTaskExecutor();
private ListableBeanFactory beanFactory;
private int beanCount;
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
this.beanFactory = (ListableBeanFactory) beanFactory;
}
@Before
public void countBeans() {
StepSynchronizationManager.release();
beanCount = beanFactory.getBeanDefinitionCount();
}
@After
public void cleanUp() {
StepSynchronizationManager.close();
// Check that all temporary bean definitions are cleaned up
assertEquals(beanCount, beanFactory.getBeanDefinitionCount());
}
@Test
public void testSimpleProperty() throws Exception {
StepExecution stepExecution = new StepExecution("step", new JobExecution(0L), 123L);
ExecutionContext executionContext = stepExecution.getExecutionContext();
executionContext.put("foo", "bar");
StepSynchronizationManager.register(stepExecution);
assertEquals("bar", simple.getName());
}
@Test
public void testGetMultipleInMultipleThreads() throws Exception {
List<FutureTask<String>> tasks = new ArrayList<FutureTask<String>>();
for (int i = 0; i < 12; i++) {
final String value = "foo" + i;
final Long id = 123L + i;
FutureTask<String> task = new FutureTask<String>(new Callable<String>() {
@Override
public String call() throws Exception {
StepExecution stepExecution = new StepExecution(value, new JobExecution(0L), id);
ExecutionContext executionContext = stepExecution.getExecutionContext();
executionContext.put("foo", value);
StepContext context = StepSynchronizationManager.register(stepExecution);
logger.debug("Registered: " + context.getStepExecutionContext());
try {
return simple.getName();
}
finally {
StepSynchronizationManager.close();
}
}
});
tasks.add(task);
taskExecutor.execute(task);
}
int i = 0;
for (FutureTask<String> task : tasks) {
assertEquals("foo" + i, task.get());
i++;
}
}
@Test
public void testGetSameInMultipleThreads() throws Exception {
List<FutureTask<String>> tasks = new ArrayList<FutureTask<String>>();
final StepExecution stepExecution = new StepExecution("foo", new JobExecution(0L), 123L);
ExecutionContext executionContext = stepExecution.getExecutionContext();
executionContext.put("foo", "foo");
StepSynchronizationManager.register(stepExecution);
assertEquals("foo", simple.getName());
for (int i = 0; i < 12; i++) {
final String value = "foo" + i;
FutureTask<String> task = new FutureTask<String>(new Callable<String>() {
@Override
public String call() throws Exception {
ExecutionContext executionContext = stepExecution.getExecutionContext();
executionContext.put("foo", value);
StepContext context = StepSynchronizationManager.register(stepExecution);
logger.debug("Registered: " + context.getStepExecutionContext());
try {
return simple.getName();
}
finally {
StepSynchronizationManager.close();
}
}
});
tasks.add(task);
taskExecutor.execute(task);
}
for (FutureTask<String> task : tasks) {
assertEquals("foo", task.get());
}
// Don't close the outer scope until all tasks are finished. This should
// always be the case if using an AbstractStep
StepSynchronizationManager.close();
}
}