/*
* Copyright (C) 2013 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.api.version;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.databene.contiperf.PerfTest;
import org.databene.contiperf.junit.ContiPerfRule;
import org.exoplatform.services.jcr.core.ExtendedNode;
import org.exoplatform.services.jcr.impl.Constants;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jcr.ItemExistsException;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
/**
* @author <a href="mailto:nfilotto@exoplatform.com">Nicolas Filotto</a>
* @version $Id$
*
*/
public class TestVersionableThreadSafety
{
protected static final int TOTAL_THREADS = 3;
// We need it as a variable since to be compatible with JUnit 4, the class must not extend TestCase so we
// cannot extend BaseVersionTest. But as we need all the logic inside, we use it as a variable
private BaseVersionTest test;
private ExtendedNode vs;
private long totalNodes;
private Node testMultiThreading;
private String path;
private final AtomicInteger step = new AtomicInteger();
@Rule
public ContiPerfRule rule = new ContiPerfRule();
private CyclicBarrier startSignal = new CyclicBarrier(TOTAL_THREADS);
@Before
public void setUp() throws Exception
{
test = new BaseVersionTest();
test.setUp();
vs = (ExtendedNode)test.getSession().getNodeByIdentifier(Constants.VERSIONSTORAGE_UUID);
totalNodes = vs.getNodesCount();
}
@After
public void tearDown() throws Exception
{
if (testMultiThreading != null)
{
Node parent = testMultiThreading.getParent();
testMultiThreading.remove();
parent.save();
if (parent.getSession() != test.getSession())
{
parent.getSession().logout();
}
}
test.tearDown();
test = null;
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading1OnWS1() throws Exception
{
if (step.compareAndSet(0, 1))
{
Session s = test.getRepository().login(test.getCredentials(), "ws1");
testMultiThreading = s.getRootNode().addNode("testMultiThreading");
s.save();
path = testMultiThreading.getPath();
}
startSignal.await();
boolean beforeAwait = true;
Session session = null;
try
{
session = test.getRepository().login(test.getCredentials(), "ws1");
Node testMultiThreading = (Node)session.getItem(path);
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (ItemExistsException e)
{
// The mixin has been added several times so it is normal to have such issue
}
catch (RepositoryException e)
{
if (beforeAwait)
throw e;
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(1, 2))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// reload the node
testMultiThreading.getSession().refresh(false);
testMultiThreading = (Node)testMultiThreading.getSession().getItem(path);
assertEquals(1, testMultiThreading.getMixinNodeTypes().length);
assertEquals("mix:versionable", testMultiThreading.getMixinNodeTypes()[0].getName());
}
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading2OnWS1() throws Exception
{
if (step.compareAndSet(0, 1))
{
Session s = test.getRepository().login(test.getCredentials(), "ws1");
testMultiThreading = s.getRootNode().addNode("testMultiThreading");
testMultiThreading.addMixin("mix:referenceable");
s.save();
path = testMultiThreading.getPath();
}
startSignal.await();
Session session = null;
boolean beforeAwait = true;
try
{
session = test.getRepository().login(test.getCredentials(), "ws1");
Node testMultiThreading = (Node)session.getItem(path);
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (RepositoryException e)
{
// Concurrent modifications of the property mixinTypes
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(1, 2))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// reload the node
testMultiThreading.getSession().refresh(false);
testMultiThreading = (Node)testMultiThreading.getSession().getItem(path);
assertEquals(2, testMultiThreading.getMixinNodeTypes().length);
Set<String> mixins = new HashSet<String>();
mixins.add(testMultiThreading.getMixinNodeTypes()[0].getName());
mixins.add(testMultiThreading.getMixinNodeTypes()[1].getName());
assertTrue(mixins.contains("mix:referenceable"));
assertTrue(mixins.contains("mix:versionable"));
}
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading3OnWS1() throws Exception
{
Session session = null;
boolean beforeAwait = true;
try
{
session = test.getRepository().login(test.getCredentials(), "ws1");
Node testMultiThreading = session.getRootNode().addNode("testMultiThreading");
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (ItemExistsException e)
{
// The node has not been created so far
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(0, 1))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// load the node
Session s = test.getRepository().login(test.getCredentials(), "ws1");
testMultiThreading = (Node)s.getItem("/testMultiThreading");
assertEquals(1, testMultiThreading.getMixinNodeTypes().length);
assertEquals("mix:versionable", testMultiThreading.getMixinNodeTypes()[0].getName());
assertFalse(s.itemExists("/testMultiThreading[2]"));
}
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading4OnWS1() throws Exception
{
Session session = null;
boolean beforeAwait = true;
try
{
session = test.getRepository().login(test.getCredentials(), "ws1");
Node testMultiThreading = session.getRootNode().addNode("testMultiThreading");
testMultiThreading.addMixin("mix:referenceable");
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (ItemExistsException e)
{
// The node has not been created so far
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(0, 1))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// load the node
Session s = test.getRepository().login(test.getCredentials(), "ws1");
testMultiThreading = (Node)s.getItem("/testMultiThreading");
assertEquals(2, testMultiThreading.getMixinNodeTypes().length);
Set<String> mixins = new HashSet<String>();
mixins.add(testMultiThreading.getMixinNodeTypes()[0].getName());
mixins.add(testMultiThreading.getMixinNodeTypes()[1].getName());
assertTrue(mixins.contains("mix:referenceable"));
assertTrue(mixins.contains("mix:versionable"));
assertFalse(s.itemExists("/testMultiThreading[2]"));
}
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading1OnWS() throws Exception
{
if (step.compareAndSet(0, 1))
{
testMultiThreading = test.getRoot().addNode("testMultiThreading");
test.getRoot().save();
path = testMultiThreading.getPath();
}
startSignal.await();
boolean beforeAwait = true;
Session session = null;
try
{
session = test.getRepository().login(test.getCredentials(), "ws");
Node testMultiThreading = (Node)session.getItem(path);
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (ItemExistsException e)
{
// The mixin has been added several times so it is normal to have such issue
}
catch (RepositoryException e)
{
if (beforeAwait)
throw e;
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(1, 2))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// reload the node
testMultiThreading.getSession().refresh(false);
testMultiThreading = (Node)testMultiThreading.getSession().getItem(path);
assertEquals(1, testMultiThreading.getMixinNodeTypes().length);
assertEquals("mix:versionable", testMultiThreading.getMixinNodeTypes()[0].getName());
}
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading2OnWS() throws Exception
{
if (step.compareAndSet(0, 1))
{
testMultiThreading = test.getRoot().addNode("testMultiThreading");
testMultiThreading.addMixin("mix:referenceable");
test.getRoot().save();
path = testMultiThreading.getPath();
}
startSignal.await();
Session session = null;
boolean beforeAwait = true;
try
{
session = test.getRepository().login(test.getCredentials(), "ws");
Node testMultiThreading = (Node)session.getItem(path);
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (RepositoryException e)
{
// Concurrent modifications of the property mixinTypes
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(1, 2))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// reload the node
testMultiThreading.getSession().refresh(false);
testMultiThreading = (Node)testMultiThreading.getSession().getItem(path);
assertEquals(2, testMultiThreading.getMixinNodeTypes().length);
Set<String> mixins = new HashSet<String>();
mixins.add(testMultiThreading.getMixinNodeTypes()[0].getName());
mixins.add(testMultiThreading.getMixinNodeTypes()[1].getName());
assertTrue(mixins.contains("mix:referenceable"));
assertTrue(mixins.contains("mix:versionable"));
}
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading3OnWS() throws Exception
{
Session session = null;
boolean beforeAwait = true;
try
{
session = test.getRepository().login(test.getCredentials(), "ws");
Node testMultiThreading = session.getRootNode().addNode("testMultiThreading");
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (ItemExistsException e)
{
// The node has not been created so far
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(0, 1))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// load the node
testMultiThreading = (Node)test.getSession().getItem("/testMultiThreading");
assertEquals(1, testMultiThreading.getMixinNodeTypes().length);
assertEquals("mix:versionable", testMultiThreading.getMixinNodeTypes()[0].getName());
assertFalse(test.getSession().itemExists("/testMultiThreading[2]"));
}
}
@Test
@PerfTest(invocations = TOTAL_THREADS, threads = TOTAL_THREADS)
public void testMultiThreading4OnWS() throws Exception
{
Session session = null;
boolean beforeAwait = true;
try
{
session = test.getRepository().login(test.getCredentials(), "ws");
Node testMultiThreading = session.getRootNode().addNode("testMultiThreading");
testMultiThreading.addMixin("mix:referenceable");
testMultiThreading.addMixin("mix:versionable");
startSignal.await();
beforeAwait = false;
session.save();
}
catch (ItemExistsException e)
{
// The node has not been created so far
}
finally
{
if (beforeAwait)
{
try
{
startSignal.await();
}
catch (Exception e)
{
// ignore me
}
}
if (session != null)
session.logout();
}
startSignal.await();
if (step.compareAndSet(0, 1))
{
assertEquals(totalNodes + 1, vs.getNodesCount());
assertEquals(totalNodes + 1, vs.getNodes().getSize());
// load the node
testMultiThreading = (Node)test.getSession().getItem("/testMultiThreading");
assertEquals(2, testMultiThreading.getMixinNodeTypes().length);
Set<String> mixins = new HashSet<String>();
mixins.add(testMultiThreading.getMixinNodeTypes()[0].getName());
mixins.add(testMultiThreading.getMixinNodeTypes()[1].getName());
assertTrue(mixins.contains("mix:referenceable"));
assertTrue(mixins.contains("mix:versionable"));
assertFalse(test.getSession().itemExists("/testMultiThreading[2]"));
}
}
}