/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* 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.jboss.test.jca.test;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
import javax.naming.InitialContext;
import javax.sql.DataSource;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import junit.framework.Test;
import org.jboss.logging.Logger;
import org.jboss.test.JBossTestCase;
import org.jboss.test.util.ejb.EJBTestCase;
import org.jboss.tm.TransactionManagerLocator;
import org.jboss.tm.TxUtils;
/**
* Abstract concurrent stress test.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 82920 $
*/
public class ExecuteSQLDuringRollbackStressTestCase extends EJBTestCase
{
protected final Logger log = Logger.getLogger(getClass());
private DataSource dataSource;
private CountDownLatch latch;
private TransactionManager tm;
private AtomicReference<Transaction> transaction = new AtomicReference<Transaction>();
public void testExecuteSQLDuringRollback() throws Throwable
{
dataSource = (DataSource) new InitialContext().lookup("java:DefaultDS");
createDatabase();
for (int i = 0; i < getIterationCount(); ++i)
{
latch = new CountDownLatch(2);
ExecuteSQL executeSQL = new ExecuteSQL();
Thread thread1 = new Thread(executeSQL);
thread1.start();
Rollback rollback = new Rollback();
Thread thread2 = new Thread(rollback);
thread2.start();
thread1.join();
thread2.join();
if (executeSQL.error != null)
throw executeSQL.error;
if (rollback.error != null)
throw rollback.error;
checkDatabase();
}
}
public class ExecuteSQL extends TestRunnable
{
private Connection c;
private Statement stmt;
public void setup() throws Throwable
{
tm.begin();
transaction.set(tm.getTransaction());
try
{
c = dataSource.getConnection();
stmt = c.createStatement();
stmt.executeUpdate("insert into JCA_EXECUTE_ROLLBACK values ('101')");
}
catch (Throwable t)
{
try
{
if (c != null)
c.close();
}
catch (Exception ignored)
{
}
try
{
tm.rollback();
}
catch (Exception ignored)
{
log.warn("Ignored", ignored);
}
throw t;
}
}
public void test() throws Throwable
{
try
{
stmt.executeUpdate("delete from JCA_EXECUTE_ROLLBACK where name='100'");
}
catch (SQLException expected)
{
}
finally
{
try
{
if (c != null)
c.close();
}
catch (Exception ignored)
{
}
try
{
synchronized (transaction)
{
if (TxUtils.isActive(tm))
tm.rollback();
else
tm.suspend();
}
}
catch (Exception ignored)
{
}
}
tm.begin();
try
{
Connection c = dataSource.getConnection();
try
{
Statement s = c.createStatement();
s.executeQuery("select * from JCA_EXECUTE_ROLLBACK");
}
finally
{
try
{
c.close();
}
catch (Exception ignored)
{
}
}
}
finally
{
tm.commit();
}
}
}
public class Rollback extends TestRunnable
{
public void test() throws Throwable
{
Transaction tx = transaction.get();
if (tx != null)
{
try
{
synchronized (transaction)
{
if (TxUtils.isActive(tx))
tx.rollback();
}
}
catch (Exception ignored)
{
}
}
}
}
protected void createDatabase() throws Throwable
{
Connection c = dataSource.getConnection();
try
{
Statement stmt = c.createStatement();
try
{
stmt.executeUpdate("create table JCA_EXECUTE_ROLLBACK (name varchar(100))");
}
catch (SQLException ignored)
{
}
stmt.executeUpdate("delete from JCA_EXECUTE_ROLLBACK");
stmt.executeUpdate("insert into JCA_EXECUTE_ROLLBACK values ('100')");
}
finally
{
try
{
c.close();
}
catch (Exception ignored)
{
}
}
}
protected void checkDatabase() throws Throwable
{
Connection c = dataSource.getConnection();
try
{
Statement stmt = c.createStatement();
ResultSet rs = stmt.executeQuery("select name from JCA_EXECUTE_ROLLBACK");
if (rs.next() == false)
throw new RuntimeException("Expected a first row");
String value = rs.getString(1);
if ("100".equals(value) == false)
throw new RuntimeException("Expected first row to be 100 got " + value);
if (rs.next())
throw new RuntimeException("Expected only one row");
}
catch (Throwable t)
{
log.error("Error checking database", t);
throw t;
}
finally
{
try
{
c.close();
}
catch (Exception ignored)
{
}
}
}
public class TestRunnable implements Runnable
{
public Throwable error;
public void setup() throws Throwable
{
}
public void test() throws Throwable
{
}
public void run()
{
try
{
setup();
}
catch (Throwable t)
{
error = t;
latch.countDown();
return;
}
latch.countDown();
try
{
latch.await();
}
catch (InterruptedException e)
{
log.warn("Ignored", e);
}
try
{
test();
}
catch (Throwable t)
{
error = t;
}
}
}
protected void setUp() throws Exception
{
tm = TransactionManagerLocator.getInstance().locate();
}
public ExecuteSQLDuringRollbackStressTestCase(String name)
{
super(name);
}
public static Test suite() throws Exception
{
return JBossTestCase.getDeploySetup(ExecuteSQLDuringRollbackStressTestCase.class, "jca-tests.jar");
}
}