/*
* Copyright 2002-2016 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.beans.factory;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.PropertyEditorRegistrar;
import org.springframework.beans.PropertyEditorRegistry;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.core.io.Resource;
import org.springframework.tests.Assume;
import org.springframework.tests.TestGroup;
import static org.junit.Assert.*;
import static org.springframework.tests.TestResourceUtils.*;
/**
* @author Guillaume Poirier
* @author Juergen Hoeller
* @author Chris Beams
* @since 10.03.2004
*/
public class ConcurrentBeanFactoryTests {
private static final Log logger = LogFactory.getLog(ConcurrentBeanFactoryTests.class);
private static final Resource CONTEXT = qualifiedResource(ConcurrentBeanFactoryTests.class, "context.xml");
private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy/MM/dd");
private static final Date DATE_1, DATE_2;
static {
try {
DATE_1 = DATE_FORMAT.parse("2004/08/08");
DATE_2 = DATE_FORMAT.parse("2000/02/02");
}
catch (ParseException e) {
throw new RuntimeException(e);
}
}
private BeanFactory factory;
private final Set<TestRun> set = Collections.synchronizedSet(new HashSet<TestRun>());
private Throwable ex = null;
@Before
public void setUp() throws Exception {
Assume.group(TestGroup.PERFORMANCE);
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
new XmlBeanDefinitionReader(factory).loadBeanDefinitions(CONTEXT);
factory.addPropertyEditorRegistrar(new PropertyEditorRegistrar() {
@Override
public void registerCustomEditors(PropertyEditorRegistry registry) {
registry.registerCustomEditor(Date.class, new CustomDateEditor((DateFormat) DATE_FORMAT.clone(), false));
}
});
this.factory = factory;
}
@Test
public void testSingleThread() {
for (int i = 0; i < 100; i++) {
performTest();
}
}
@Test
public void testConcurrent() {
for (int i = 0; i < 100; i++) {
TestRun run = new TestRun();
run.setDaemon(true);
set.add(run);
}
for (Iterator<TestRun> it = new HashSet<>(set).iterator(); it.hasNext();) {
TestRun run = it.next();
run.start();
}
logger.info("Thread creation over, " + set.size() + " still active.");
synchronized (set) {
while (!set.isEmpty() && ex == null) {
try {
set.wait();
}
catch (InterruptedException e) {
logger.info(e.toString());
}
logger.info(set.size() + " threads still active.");
}
}
if (ex != null) {
fail(ex.getMessage());
}
}
private void performTest() {
ConcurrentBean b1 = (ConcurrentBean) factory.getBean("bean1");
ConcurrentBean b2 = (ConcurrentBean) factory.getBean("bean2");
assertEquals(b1.getDate(), DATE_1);
assertEquals(b2.getDate(), DATE_2);
}
private class TestRun extends Thread {
@Override
public void run() {
try {
for (int i = 0; i < 10000; i++) {
performTest();
}
}
catch (Throwable e) {
ex = e;
}
finally {
synchronized (set) {
set.remove(this);
set.notifyAll();
}
}
}
}
public static class ConcurrentBean {
private Date date;
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
}
}