Package edu.emory.mathcs.backport.java.util.concurrent.atomic

Examples of edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicReference

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        super(admin, orb, poa, conf, taskProcessor, offerManager, subscriptionManager,
                consumerAdmin);

        pushTaskExecutor_ = pushTaskExecutorFactory.newExecutor(this);

        retryStrategyFactory_ = new AtomicReference(newRetryStrategyFactory(conf, taskProcessor));

        eventTypes_.add(NOTIFY_PUSH_FAILED);
    }
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*/
public class VmPipeSessionCrossCommunicationTest extends TestCase {
    public void testOneSessionTalkingBackAndForthDoesNotDeadlock() throws Exception {
        final VmPipeAddress address = new VmPipeAddress( 1 );
        final IoConnector connector = new VmPipeConnector();
        final AtomicReference c1 = new AtomicReference();
        final CountDownLatch latch = new CountDownLatch( 1 );
        final CountDownLatch messageCount = new CountDownLatch( 2 );
        IoAcceptor acceptor = new VmPipeAcceptor();

        acceptor.bind( address, new IoHandlerAdapter() {
            public void messageReceived( IoSession session, Object message ) throws Exception {
                System.out.println( Thread.currentThread().getName() + ": " + message );

                if ( "start".equals( message ) ) {
                    session.write( "open new" );
                } else if ( "re-use c1".equals( message ) ) {
                    session.write( "tell me something on c1 now" );
                } else if ( ( (String) message ).startsWith( "please don't deadlock" ) ) {
                    messageCount.countDown();
                } else {
                    fail( "unexpected message received " + message );
                }
            }
        } );

        connector.getDefaultConfig().setThreadModel( ThreadModel.MANUAL );

        ConnectFuture future = connector.connect( address, new IoHandlerAdapter() {
            public void messageReceived( IoSession session, Object message ) throws Exception {
                System.out.println( Thread.currentThread().getName() + ": " + message );
               
                if ( "open new".equals( message ) ) {
                    System.out.println( "opening c2 from " + Thread.currentThread().getName() );

                    ConnectFuture c2Future = connector.connect( address, new IoHandlerAdapter() {
                        public void sessionOpened( IoSession session ) throws Exception {
                            session.write( "re-use c1" );
                        }

                        public void messageReceived( IoSession session, Object message ) throws Exception {
                            System.out.println( Thread.currentThread().getName() + ": " + message );

                            if ( "tell me something on c1 now".equals( message ) ) {
                                latch.countDown();
                                ((IoSession) c1.get()).write( "please don't deadlock via c1" );
                            } else {
                                fail( "unexpected message received " + message );
                            }
                        }
                    } );

                    c2Future.join();

                    latch.await();

                    c2Future.getSession().write( "please don't deadlock via c2" );
                } else {
                    fail( "unexpeced message received " + message );
                }
            }
        } );

        future.join();

        c1.set( future.getSession() );
        ((IoSession) c1.get()).write( "start" );

        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();

        while ( !messageCount.await( 100, TimeUnit.MILLISECONDS ) ) {
            long[] threads = threadMXBean.findMonitorDeadlockedThreads();
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*/
public class VmPipeSessionCrossCommunicationTest extends TestCase {
    public void testOneSessionTalkingBackAndForthDoesNotDeadlock() throws Exception {
        final VmPipeAddress address = new VmPipeAddress( 1 );
        final IoConnector connector = new VmPipeConnector();
        final AtomicReference c1 = new AtomicReference();
        final CountDownLatch latch = new CountDownLatch( 1 );
        final CountDownLatch messageCount = new CountDownLatch( 2 );
        IoAcceptor acceptor = new VmPipeAcceptor();

        acceptor.bind( address, new IoHandlerAdapter() {
            public void messageReceived( IoSession session, Object message ) throws Exception {
                System.out.println( Thread.currentThread().getName() + ": " + message );

                if ( "start".equals( message ) ) {
                    session.write( "open new" );
                } else if ( "re-use c1".equals( message ) ) {
                    session.write( "tell me something on c1 now" );
                } else if ( ( (String) message ).startsWith( "please don't deadlock" ) ) {
                    messageCount.countDown();
                } else {
                    fail( "unexpected message received " + message );
                }
            }
        } );

        connector.getDefaultConfig().setThreadModel( ThreadModel.MANUAL );

        ConnectFuture future = connector.connect( address, new IoHandlerAdapter() {
            public void messageReceived( IoSession session, Object message ) throws Exception {
                System.out.println( Thread.currentThread().getName() + ": " + message );
               
                if ( "open new".equals( message ) ) {
                    System.out.println( "opening c2 from " + Thread.currentThread().getName() );

                    ConnectFuture c2Future = connector.connect( address, new IoHandlerAdapter() {
                        public void sessionOpened( IoSession session ) throws Exception {
                            session.write( "re-use c1" );
                        }

                        public void messageReceived( IoSession session, Object message ) throws Exception {
                            System.out.println( Thread.currentThread().getName() + ": " + message );

                            if ( "tell me something on c1 now".equals( message ) ) {
                                latch.countDown();
                                ((IoSession) c1.get()).write( "please don't deadlock via c1" );
                            } else {
                                fail( "unexpected message received " + message );
                            }
                        }
                    } );

                    c2Future.join();

                    latch.await();

                    c2Future.getSession().write( "please don't deadlock via c2" );
                } else {
                    fail( "unexpeced message received " + message );
                }
            }
        } );

        future.join();

        c1.set( future.getSession() );
        ((IoSession) c1.get()).write( "start" );

        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();

        while ( !messageCount.await( 100, TimeUnit.MILLISECONDS ) ) {
            long[] threads = threadMXBean.findMonitorDeadlockedThreads();
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*/
public class VmPipeSessionCrossCommunicationTest extends TestCase {
    public void testOneSessionTalkingBackAndForthDoesNotDeadlock() throws Exception {
        final VmPipeAddress address = new VmPipeAddress( 1 );
        final IoConnector connector = new VmPipeConnector();
        final AtomicReference c1 = new AtomicReference();
        final CountDownLatch latch = new CountDownLatch( 1 );
        final CountDownLatch messageCount = new CountDownLatch( 2 );
        IoAcceptor acceptor = new VmPipeAcceptor();

        acceptor.bind( address, new IoHandlerAdapter() {
            public void messageReceived( IoSession session, Object message ) throws Exception {
                System.out.println( Thread.currentThread().getName() + ": " + message );

                if ( "start".equals( message ) ) {
                    session.write( "open new" );
                } else if ( "re-use c1".equals( message ) ) {
                    session.write( "tell me something on c1 now" );
                } else if ( ( (String) message ).startsWith( "please don't deadlock" ) ) {
                    messageCount.countDown();
                } else {
                    fail( "unexpected message received " + message );
                }
            }
        } );

        connector.getDefaultConfig().setThreadModel( ThreadModel.MANUAL );

        ConnectFuture future = connector.connect( address, new IoHandlerAdapter() {
            public void messageReceived( IoSession session, Object message ) throws Exception {
                System.out.println( Thread.currentThread().getName() + ": " + message );
               
                if ( "open new".equals( message ) ) {
                    System.out.println( "opening c2 from " + Thread.currentThread().getName() );

                    ConnectFuture c2Future = connector.connect( address, new IoHandlerAdapter() {
                        public void sessionOpened( IoSession session ) throws Exception {
                            session.write( "re-use c1" );
                        }

                        public void messageReceived( IoSession session, Object message ) throws Exception {
                            System.out.println( Thread.currentThread().getName() + ": " + message );

                            if ( "tell me something on c1 now".equals( message ) ) {
                                latch.countDown();
                                ((IoSession) c1.get()).write( "please don't deadlock via c1" );
                            } else {
                                fail( "unexpected message received " + message );
                            }
                        }
                    } );

                    c2Future.join();

                    latch.await();

                    c2Future.getSession().write( "please don't deadlock via c2" );
                } else {
                    fail( "unexpeced message received " + message );
                }
            }
        } );

        future.join();

        c1.set( future.getSession() );
        ((IoSession) c1.get()).write( "start" );

        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();

        while ( !messageCount.await( 100, TimeUnit.MILLISECONDS ) ) {
            long[] threads = threadMXBean.findMonitorDeadlockedThreads();
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        super(admin, orb, poa, conf, taskProcessor, offerManager, subscriptionManager,
                consumerAdmin);

        pushTaskExecutor_ = pushTaskExecutorFactory.newExecutor(this);

        retryStrategyFactory_ = new AtomicReference(newRetryStrategyFactory(conf, taskProcessor));

        eventTypes_.add(NOTIFY_PUSH_FAILED);
    }
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        final AtomicBoolean received = new AtomicBoolean(false);
        final AtomicBoolean delivered = new AtomicBoolean(false);
        final CountDownLatch threadsDone = new CountDownLatch(1);
        final CountDownLatch getPutOrder = new CountDownLatch(1);
        final AtomicReference getException = new AtomicReference(null);
        final AtomicReference putException = new AtomicReference(null);

        final CyclicBarrier barrier = new CyclicBarrier(2, new Runnable()
        {
            public void run()
            {
                threadsDone.countDown();
            }
        });

        Runnable getCommand = new Runnable()
        {
            public void run()
            {
                try
                {
                    synchronized (lock_)
                    {
                        getPutOrder.countDown();
                        objectUnderTest_.getMessageBlocking();
                    }

                    received.set(true);
                } catch (Exception e)
                {
                    getException.set(e);
                }
                finally
                {
                    try
                    {
                        barrier.await();
                    } catch (InterruptedException e)
                    {
                        // ignored
                    } catch (BrokenBarrierException e)
                    {
                        // should not happen
                        e.printStackTrace();
                    }
                }
            }
        };

        Runnable putCommand = new Runnable()
        {
            public void run()
            {
                try
                {
                    getPutOrder.await();

                    objectUnderTest_.enqeue(mesg.getHandle());

                    delivered.set(true);
                } catch (Exception e)
                {
                    putException.set(e);
                }
                finally
                {
                    try
                    {
                        barrier.await();
                    } catch (InterruptedException e)
                    {
                        // ignored
                    } catch (BrokenBarrierException e)
                    {
                        // should not happen
                        e.printStackTrace();
                    }
                }
            }
        };

        Thread getter = new Thread(getCommand);
        getter.setDaemon(true);

        Thread putter = new Thread(putCommand);
        putter.setDaemon(true);

        getter.start();

        putter.start();

        threadsDone.await(1000, TimeUnit.MILLISECONDS);

        assertTrue(delivered.get());
        assertTrue(received.get());

        assertNull(putException.get());
        assertNull(getException.get());

        getter.interrupt();
        putter.interrupt();
    }
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        super(admin, orb, poa, conf, taskProcessor, offerManager, subscriptionManager,
                consumerAdmin);

        pushTaskExecutor_ = pushTaskExecutorFactory.newExecutor(this);

        retryStrategyFactory_ = new AtomicReference(newRetryStrategyFactory(conf, taskProcessor));

        eventTypes_.add(NOTIFY_PUSH_FAILED);
    }
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Related Classes of edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicReference

  • org.apache.mina.transport.vmpipe.VmPipeSessionCrossCommunicationTest
  • org.jacorb.notification.servant.AbstractProxyPushSupplier
  • org.jacorb.test.notification.bugs.DeadlockBugTest
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