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

public class TestFramework extends BaseClassForTests
{
    @Test
    public void     testConnectionState() throws Exception
    {
        Timing                  timing = new Timing();
        CuratorFramework        client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        try
        {
            final BlockingQueue<ConnectionState>        queue = new LinkedBlockingQueue<ConnectionState>();
            ConnectionStateListener                     listener = new ConnectionStateListener()
            {
                @Override
                public void stateChanged(CuratorFramework client, ConnectionState newState)
                {
                    queue.add(newState);
                }
            };
            client.getConnectionStateListenable().addListener(listener);


            client.start();
            Assert.assertEquals(queue.poll(timing.multiple(4).seconds(), TimeUnit.SECONDS), ConnectionState.CONNECTED);
            server.stop();
            Assert.assertEquals(queue.poll(timing.multiple(4).seconds(), TimeUnit.SECONDS), ConnectionState.SUSPENDED);
            Assert.assertEquals(queue.poll(timing.multiple(4).seconds(), TimeUnit.SECONDS), ConnectionState.LOST);
        }
        finally
        {
            CloseableUtils.closeQuietly(client);
        }

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Examples of org.apache.curator.test.Timing

    }


    @Test
    public void     testCreateACLWithReset() throws Exception
    {
        Timing timing = new Timing();
        CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder
            .connectString(server.getConnectString())
            .sessionTimeoutMs(timing.session())
            .connectionTimeoutMs(timing.connection())
            .authorization("digest", "me:pass".getBytes())
            .retryPolicy(new RetryOneTime(1))
            .build();
        client.start();
        try
        {
            final CountDownLatch lostLatch = new CountDownLatch(1);
            ConnectionStateListener listener = new ConnectionStateListener()
            {
                @Override
                public void stateChanged(CuratorFramework client, ConnectionState newState)
                {
                    if ( newState == ConnectionState.LOST )
                    {
                        lostLatch.countDown();
                    }
                }
            };
            client.getConnectionStateListenable().addListener(listener);


            ACL acl = new ACL(ZooDefs.Perms.WRITE, ZooDefs.Ids.AUTH_IDS);
            List<ACL> aclList = Lists.newArrayList(acl);
            client.create().withACL(aclList).forPath("/test", "test".getBytes());


            server.stop();
            Assert.assertTrue(timing.awaitLatch(lostLatch));
            try
            {
                client.checkExists().forPath("/");
                Assert.fail("Connection should be down");
            }

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Examples of org.apache.curator.test.Timing

    @Test
    public void testProperCloseWithoutConnectionEstablished() throws Exception
    {
        server.stop();


        Timing timing = new Timing();
        LeaderLatch latch = null;
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        try
        {
            client.start();


            final AtomicBoolean resetCalled = new AtomicBoolean(false);
            final CountDownLatch cancelStartTaskLatch = new CountDownLatch(1);
            latch = new LeaderLatch(client, PATH_NAME)
            {
                @Override
                void reset() throws Exception
                {
                    resetCalled.set(true);
                    super.reset();
                }


                @Override
                protected boolean cancelStartTask()
                {
                    if ( super.cancelStartTask() )
                    {
                        cancelStartTaskLatch.countDown();
                        return true;
                    }
                    return false;
                }
            };


            latch.start();
            latch.close();
            latch = null;


            Assert.assertTrue(timing.awaitLatch(cancelStartTaskLatch));
            Assert.assertFalse(resetCalled.get());
        }
        finally
        {
            CloseableUtils.closeQuietly(latch);

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Examples of org.apache.curator.test.Timing

    }


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


            latch.debugResetWaitLatch = new CountDownLatch(1);
            latch.start();  // will call reset()
            latch.reset();  // should not result in two nodes


            timing.sleepABit();


            latch.debugResetWaitLatch.countDown();


            timing.sleepABit();


            Assert.assertEquals(client.getChildren().forPath(PATH_NAME).size(), 1);
        }
        finally
        {

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Examples of org.apache.curator.test.Timing

    }


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


            LeaderLatch latch = new LeaderLatch(client, PATH_NAME);


            latch.debugResetWaitLatch = new CountDownLatch(1);


            latch.start();
            latch.close();


            timing.sleepABit();


            latch.debugResetWaitLatch.countDown();


            timing.sleepABit();


            Assert.assertEquals(client.getChildren().forPath(PATH_NAME).size(), 0);


        }
        finally

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Examples of org.apache.curator.test.Timing

    {
        final int PARTICIPANT_QTY = 10;


        List<LeaderLatch> latches = Lists.newArrayList();


        final Timing timing = new Timing();
        final CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        try
        {
            client.start();


            final CountDownLatch countDownLatch = new CountDownLatch(1);
            client.getConnectionStateListenable().addListener(new ConnectionStateListener()
            {
                @Override
                public void stateChanged(CuratorFramework client, ConnectionState newState)
                {
                    if ( newState == ConnectionState.LOST )
                    {
                        countDownLatch.countDown();
                    }
                }
            });


            for ( int i = 0; i < PARTICIPANT_QTY; ++i )
            {
                LeaderLatch latch = new LeaderLatch(client, PATH_NAME);
                latch.start();
                latches.add(latch);
            }


            waitForALeader(latches, timing);


            server.stop();
            Assert.assertTrue(timing.awaitLatch(countDownLatch));


            timing.forWaiting().sleepABit();


            Assert.assertEquals(getLeaders(latches).size(), 0);


            server.restart();
            Assert.assertEquals(waitForALeader(latches, timing).size(), 1); // should reconnect

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Examples of org.apache.curator.test.Timing

        final int PARTICIPANT_QTY = 10;
        final int PARTICIPANT_ID = 2;


        List<LeaderLatch> latches = Lists.newArrayList();


        final Timing timing = new Timing();
        final CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        try
        {
            client.start();


            for ( int i = 0; i < PARTICIPANT_QTY; ++i )

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Examples of org.apache.curator.test.Timing

        final int PARTICIPANT_QTY = 10;


        ExecutorService executorService = Executors.newFixedThreadPool(PARTICIPANT_QTY);
        ExecutorCompletionService<Void> service = new ExecutorCompletionService<Void>(executorService);


        final Timing timing = new Timing();
        final CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        try
        {
            client.start();


            final AtomicBoolean thereIsALeader = new AtomicBoolean(false);
            for ( int i = 0; i < PARTICIPANT_QTY; ++i )
            {
                service.submit(new Callable<Void>()
                {
                    @Override
                    public Void call() throws Exception
                    {
                        LeaderLatch latch = new LeaderLatch(client, PATH_NAME);
                        try
                        {
                            latch.start();
                            Assert.assertTrue(latch.await(timing.forWaiting().seconds(), TimeUnit.SECONDS));
                            Assert.assertTrue(thereIsALeader.compareAndSet(false, true));
                            Thread.sleep((int)(10 * Math.random()));
                            thereIsALeader.set(false);
                        }
                        finally

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Examples of org.apache.curator.test.Timing

        final int PARTICIPANT_QTY = 10;
        final CountDownLatch timesSquare = new CountDownLatch(PARTICIPANT_QTY);
        final AtomicLong masterCounter = new AtomicLong(0);
        final AtomicLong notLeaderCounter = new AtomicLong(0);


        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        ExecutorService exec = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setDaemon(true).setNameFormat("callbackSanity-%s").build());


        List<LeaderLatch> latches = Lists.newArrayList();
        for ( int i = 0; i < PARTICIPANT_QTY; ++i )
        {

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Examples of org.apache.curator.test.Timing


        final CountDownLatch timesSquare = new CountDownLatch(PARTICIPANT_QTY);
        final AtomicLong masterCounter = new AtomicLong(0);
        final AtomicLong notLeaderCounter = new AtomicLong(0);


        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        ExecutorService exec = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setDaemon(true).setNameFormat("callbackNotifyLeader-%s").build());


        List<LeaderLatch> latches = Lists.newArrayList();
        for ( int i = 0; i < PARTICIPANT_QTY; ++i )
        {

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