Package org.apache.curator.framework

Examples of org.apache.curator.framework.CuratorFramework

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        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 )
            {
                LeaderLatch latch = new LeaderLatch(client, PATH_NAME);
                latch.start();
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        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>()
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        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 )
        {
            final LeaderLatch latch = new LeaderLatch(client, PATH_NAME);
            latch.addListener(new LeaderLatchListener()
            {
                boolean beenLeader = false;

                @Override
                public void isLeader()
                {
                    if ( !beenLeader )
                    {
                        masterCounter.incrementAndGet();
                        beenLeader = true;
                        try
                        {
                            latch.reset();
                        }
                        catch ( Exception e )
                        {
                            throw Throwables.propagate(e);
                        }
                    }
                    else
                    {
                        masterCounter.incrementAndGet();
                        CloseableUtils.closeQuietly(latch);
                        timesSquare.countDown();
                    }
                }

                @Override
                public void notLeader()
                {
                    notLeaderCounter.incrementAndGet();
                }
            }, exec);
            latches.add(latch);
        }

        try
        {
            client.start();

            for ( LeaderLatch latch : latches )
            {
                latch.start();
            }
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        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 )
        {
            LeaderLatch.CloseMode closeMode = i < SILENT_QTY ? LeaderLatch.CloseMode.SILENT : LeaderLatch.CloseMode.NOTIFY_LEADER;

            final LeaderLatch latch = new LeaderLatch(client, PATH_NAME, "", closeMode);
            latch.addListener(new LeaderLatchListener()
            {
                boolean beenLeader = false;

                @Override
                public void isLeader()
                {
                    if ( !beenLeader )
                    {
                        masterCounter.incrementAndGet();
                        beenLeader = true;
                        try
                        {
                            latch.reset();
                        }
                        catch ( Exception e )
                        {
                            throw Throwables.propagate(e);
                        }
                    }
                    else
                    {
                        masterCounter.incrementAndGet();
                        CloseableUtils.closeQuietly(latch);
                        timesSquare.countDown();
                    }
                }

                @Override
                public void notLeader()
                {
                    notLeaderCounter.incrementAndGet();
                }
            }, exec);
            latches.add(latch);
        }

        try
        {
            client.start();

            for ( LeaderLatch latch : latches )
            {
                latch.start();
            }
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    {
        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));

        final LeaderLatch leader = new LeaderLatch(client, PATH_NAME);
        final LeaderLatch notifiedLeader = new LeaderLatch(client, PATH_NAME, "", LeaderLatch.CloseMode.NOTIFY_LEADER);

        leader.addListener(new LeaderLatchListener()
        {
            @Override
            public void isLeader()
            {
            }

            @Override
            public void notLeader()
            {
                masterCounter.incrementAndGet();
            }
        });

        notifiedLeader.addListener(new LeaderLatchListener()
        {
            @Override
            public void isLeader()
            {
            }

            @Override
            public void notLeader()
            {
                notLeaderCounter.incrementAndGet();
            }
        });

        try
        {
            client.start();

            leader.start();

            timing.sleepABit();
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    public void testNoServerAtStart()
    {
        CloseableUtils.closeQuietly(server);

        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryNTimes(5, 1000));

        client.start();

        final LeaderLatch leader = new LeaderLatch(client, PATH_NAME);
        final CountDownLatch leaderCounter = new CountDownLatch(1);
        final AtomicInteger leaderCount = new AtomicInteger(0);
        final AtomicInteger notLeaderCount = new AtomicInteger(0);
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        final int PARTICIPANT_QTY = 1;//0;

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

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

            for ( int i = 0; i < PARTICIPANT_QTY; ++i )
            {
                LeaderLatch latch = new LeaderLatch(client, PATH_NAME);
                if ( mode == Mode.START_IMMEDIATELY )
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    @Test(expectedExceptions = IllegalArgumentException.class)
    public void testRelativePath() throws Exception
    {
        Timing timing = new Timing();
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
        LeaderLatch latch = new LeaderLatch(client, "parent");
    }
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public class TestServiceDiscoveryBuilder extends BaseClassForTests
{
    @Test
    public void testDefaultSerializer() throws Exception
    {       
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        ServiceDiscoveryBuilder<Object> builder = ServiceDiscoveryBuilder.builder(Object.class).client(client);
        ServiceDiscoveryImpl<?> discovery = (ServiceDiscoveryImpl<?>) builder.basePath("/path").build();

        Assert.assertNotNull(discovery.getSerializer(), "default serializer not set");
        Assert.assertTrue(discovery.getSerializer() instanceof JsonInstanceSerializer, "default serializer not JSON");
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    }

    @Test
    public void testSetSerializer() throws Exception
    {
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        ServiceDiscoveryBuilder<Object> builder = ServiceDiscoveryBuilder.builder(Object.class).client(client);
        builder.serializer(new InstanceSerializer<Object>()
        {
            @Override
            public byte[] serialize(ServiceInstance<Object> instance)
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