Examples of Timing

cc.mallet.util.Timing
A class for timing things. Originally inspired by the Timing class in the Stanford NLP cade, but completely rewritten.
Created: Dec 30, 2004 @author com.bluesoft.util.metrics.core.Timing
@author danap
com.netflix.curator.test.Timing
edu.stanford.nlp.util.Timing
A class for measuring how long things take. For backward compatibility, this class contains static methods, but the preferred usage is to instantiate a Timing object and use instance methods.
To use, call {@link #startTime()} before running the code inquestion. Call {@link #tick()} to print an intermediate update, and {@link #endTime()} tofinish the timing and print the result. You can optionally pass a descriptive string and PrintStream to tick and endTime for more control over what gets printed where.

Example: time reading in a big file and transforming it:

Timing.startTime(); String bigFileContents = IOUtils.slurpFile(bigFile); Timing.tick("read in big file", System.err); String output = costlyTransform(bigFileContents); Timing.endTime("transformed big file", System.err);
@author Bill MacCartney
music.ui.panels.Timing
org.apache.curator.test.Timing
Utility to get various testing times
org.persvr.data.Method.Timing

Examples of org.apache.curator.test.Timing

    }


    @Test
    public void testRebuildNode() throws Exception
    {
        Timing timing = new Timing();
        PathChildrenCache cache = null;
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        client.start();
        try
        {
            client.create().creatingParentsIfNeeded().forPath("/test/one", "one".getBytes());

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Examples of org.apache.curator.test.Timing

    }


    @Test
    public void testBasics() throws Exception
    {
        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        client.start();
        try
        {
            client.create().forPath("/test");


            final BlockingQueue<PathChildrenCacheEvent.Type> events = new LinkedBlockingQueue<PathChildrenCacheEvent.Type>();
            PathChildrenCache cache = new PathChildrenCache(client, "/test", true);
            cache.getListenable().addListener
                (
                    new PathChildrenCacheListener()
                    {
                        @Override
                        public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception
                        {
                            if ( event.getData().getPath().equals("/test/one") )
                            {
                                events.offer(event.getType());
                            }
                        }
                    }
                );
            cache.start();


            client.create().forPath("/test/one", "hey there".getBytes());
            Assert.assertEquals(events.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_ADDED);


            client.setData().forPath("/test/one", "sup!".getBytes());
            Assert.assertEquals(events.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_UPDATED);
            Assert.assertEquals(new String(cache.getCurrentData("/test/one").getData()), "sup!");


            client.delete().forPath("/test/one");
            Assert.assertEquals(events.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_REMOVED);


            cache.close();
        }
        finally
        {

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Examples of org.apache.curator.test.Timing

    }


    @Test
    public void testBasicsOnTwoCachesWithSameExecutor() throws Exception
    {
        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        client.start();
        try
        {
            client.create().forPath("/test");


            final BlockingQueue<PathChildrenCacheEvent.Type> events = new LinkedBlockingQueue<PathChildrenCacheEvent.Type>();
            final ExecutorService exec = Executors.newSingleThreadExecutor();
            PathChildrenCache cache = new PathChildrenCache(client, "/test", true, false, exec);
            cache.getListenable().addListener
                (
                    new PathChildrenCacheListener()
                    {
                        @Override
                        public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception
                        {
                            if ( event.getData().getPath().equals("/test/one") )
                            {
                                events.offer(event.getType());
                            }
                        }
                    }
                );
            cache.start();


            final BlockingQueue<PathChildrenCacheEvent.Type> events2 = new LinkedBlockingQueue<PathChildrenCacheEvent.Type>();
            PathChildrenCache cache2 = new PathChildrenCache(client, "/test", true, false, exec);
            cache2.getListenable().addListener(
                    new PathChildrenCacheListener() {
                        @Override
                        public void childEvent(CuratorFramework client, PathChildrenCacheEvent event)
                                throws Exception
                        {
                            if ( event.getData().getPath().equals("/test/one") )
                            {
                                events2.offer(event.getType());
                            }
                        }
                    }
            );
            cache2.start();


            client.create().forPath("/test/one", "hey there".getBytes());
            Assert.assertEquals(events.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_ADDED);
            Assert.assertEquals(events2.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_ADDED);


            client.setData().forPath("/test/one", "sup!".getBytes());
            Assert.assertEquals(events.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_UPDATED);
            Assert.assertEquals(events2.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_UPDATED);
            Assert.assertEquals(new String(cache.getCurrentData("/test/one").getData()), "sup!");
            Assert.assertEquals(new String(cache2.getCurrentData("/test/one").getData()), "sup!");


            client.delete().forPath("/test/one");
            Assert.assertEquals(events.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_REMOVED);
            Assert.assertEquals(events2.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS), PathChildrenCacheEvent.Type.CHILD_REMOVED);


            cache.close();
            cache2.close();
        }
        finally

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Examples of org.apache.curator.test.Timing


    @Test
    public void testDeleteNodeAfterCloseDoesntCallExecutor()
            throws Exception
    {
        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        client.start();
        try
        {
            client.create().forPath("/test");


            final ExecuteCalledWatchingExecutorService exec = new ExecuteCalledWatchingExecutorService(Executors.newSingleThreadExecutor());
            PathChildrenCache cache = new PathChildrenCache(client, "/test", true, false, exec);


            cache.start();
            client.create().forPath("/test/one", "hey there".getBytes());


            cache.rebuild();
            Assert.assertEquals(new String(cache.getCurrentData("/test/one").getData()), "hey there");
            Assert.assertTrue(exec.isExecuteCalled());


            exec.setExecuteCalled(false);
            cache.close();
            Assert.assertFalse(exec.isExecuteCalled());


            client.delete().forPath("/test/one");
            timing.sleepABit();
            Assert.assertFalse(exec.isExecuteCalled());
        }
        finally {
            client.close();
        }

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Examples of org.apache.curator.test.Timing

    @Test
    public void testListenerConnectedAtStart() throws Exception
    {
        server.close();


        Timing timing = new Timing(2);
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryNTimes(0, 0));
        try
        {
            client.start();


            final CountDownLatch connectedLatch = new CountDownLatch(1);
            final AtomicBoolean firstListenerAction = new AtomicBoolean(true);
            final AtomicReference<ConnectionState> firstListenerState = new AtomicReference<ConnectionState>();
            ConnectionStateListener listener = new ConnectionStateListener()
            {
                @Override
                public void stateChanged(CuratorFramework client, ConnectionState newState)
                {
                    if ( firstListenerAction.compareAndSet(true, false) )
                    {
                        firstListenerState.set(newState);
                        System.out.println("First listener state is " + newState);
                    }
                    if ( newState == ConnectionState.CONNECTED )
                    {
                        connectedLatch.countDown();
                    }
                }
            };
            client.getConnectionStateListenable().addListener(listener);


            // due to CURATOR-72, this was causing a LOST event to precede the CONNECTED event
            client.create().inBackground().forPath("/foo");


            server = new TestingServer(server.getPort());


            Assert.assertTrue(timing.awaitLatch(connectedLatch));
            Assert.assertFalse(firstListenerAction.get());
            ConnectionState firstconnectionState = firstListenerState.get();
            Assert.assertEquals(firstconnectionState, ConnectionState.CONNECTED, "First listener state MUST BE CONNECTED but is " + firstconnectionState);
        }
        finally

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Examples of org.apache.curator.test.Timing

    public void testRetries() throws Exception
    {
        final int SLEEP = 1000;
        final int TIMES = 5;


        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryNTimes(TIMES, SLEEP));
        try
        {
            client.start();
            client.getZookeeperClient().blockUntilConnectedOrTimedOut();

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Examples of org.apache.curator.test.Timing

    }


    @Test
    public void testBasic() throws Exception
    {
        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        try
        {
            client.start();


            final CountDownLatch latch = new CountDownLatch(3);

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Examples of org.apache.curator.test.Timing

     * Return code must be {@link Code#CONNECTIONLOSS}
     */
    @Test
    public void testCuratorCallbackOnError() throws Exception
    {
        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.builder().connectString(server.getConnectString()).sessionTimeoutMs(timing.session()).connectionTimeoutMs(timing.connection()).retryPolicy(new RetryOneTime(1000)).build();
        final CountDownLatch latch = new CountDownLatch(1);
        try
        {
            client.start();
            BackgroundCallback curatorCallback = new BackgroundCallback()
            {


                @Override
                public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
                {
                    if ( event.getResultCode() == Code.CONNECTIONLOSS.intValue() )
                    {
                        latch.countDown();
                    }
                }
            };
            // Stop the Zookeeper server
            server.stop();
            // Attempt to retrieve children list
            client.getChildren().inBackground(curatorCallback).forPath("/");
            // Check if the callback has been called with a correct return code
            Assert.assertTrue(timing.awaitLatch(latch), "Callback has not been called by curator !");
        }
        finally
        {
            client.close();
        }

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Examples of org.apache.curator.test.Timing

     * Shutdown the Curator client while there are still background operations running.
     */
    @Test
    public void testShutdown() throws Exception
    {
        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory
            .builder()
            .connectString(server.getConnectString())
            .sessionTimeoutMs(timing.session())
            .connectionTimeoutMs(timing.connection()).retryPolicy(new RetryOneTime(1))
            .maxCloseWaitMs(timing.forWaiting().milliseconds())
            .build();
        try
        {
            final AtomicBoolean hadIllegalStateException = new AtomicBoolean(false);
            ((CuratorFrameworkImpl)client).debugUnhandledErrorListener = new UnhandledErrorListener()
            {
                @Override
                public void unhandledError(String message, Throwable e)
                {
                    if ( e instanceof IllegalStateException )
                    {
                        hadIllegalStateException.set(true);
                    }
                }
            };
            client.start();


            final CountDownLatch operationReadyLatch = new CountDownLatch(1);
            ((CuratorFrameworkImpl)client).debugListener = new CuratorFrameworkImpl.DebugBackgroundListener()
            {
                @Override
                public void listen(OperationAndData<?> data)
                {
                    try
                    {
                        operationReadyLatch.await();
                    }
                    catch ( InterruptedException e )
                    {
                        Thread.currentThread().interrupt();
                    }
                }
            };


            // queue a background operation that will block due to the debugListener
            client.create().inBackground().forPath("/hey");
            timing.sleepABit();


            // close the client while the background is still blocked
            client.close();


            // unblock the background
            operationReadyLatch.countDown();
            timing.sleepABit();


            // should not generate an exception
            Assert.assertFalse(hadIllegalStateException.get());
        }
        finally

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Examples of org.apache.curator.test.Timing

public class TestFailedDeleteManager extends BaseClassForTests
{
    @Test
    public void     testLostSession() throws Exception
    {
        Timing                  timing = new Timing();
        CuratorFramework        client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new ExponentialBackoffRetry(100, 3));
        try
        {
            client.start();


            client.create().forPath("/test-me");


            final CountDownLatch            latch = new CountDownLatch(1);
            final Semaphore                 semaphore = new Semaphore(0);
            ConnectionStateListener         listener = new ConnectionStateListener()
            {
                @Override
                public void stateChanged(CuratorFramework client, ConnectionState newState)
                {
                    if ( (newState == ConnectionState.LOST) || (newState == ConnectionState.SUSPENDED) )
                    {
                        semaphore.release();
                    }
                    else if ( newState == ConnectionState.RECONNECTED )
                    {
                        latch.countDown();
                    }
                }
            };
            client.getConnectionStateListenable().addListener(listener);
            server.stop();


            Assert.assertTrue(timing.acquireSemaphore(semaphore));
            try
            {
                client.delete().guaranteed().forPath("/test-me");
                Assert.fail();
            }
            catch ( KeeperException.ConnectionLossException e )
            {
                // expected
            }
            Assert.assertTrue(timing.acquireSemaphore(semaphore));


            timing.sleepABit();


            server.restart();
            Assert.assertTrue(timing.awaitLatch(latch));


            timing.sleepABit();


            Assert.assertNull(client.checkExists().forPath("/test-me"));
        }
        finally
        {

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