Examples of CuratorFramework

Examples of org.apache.curator.framework.CuratorFramework

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    @Test
    public void     testNamespaceWithWatcher() throws Exception
    {
        CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder.connectString(server.getConnectString()).namespace("aisa").retryPolicy(new RetryOneTime(1)).build();
        client.start();
        try
        {
            final BlockingQueue<String>     queue = new LinkedBlockingQueue<String>();
            Watcher                         watcher = new Watcher()
            {
                @Override
                public void process(WatchedEvent event)
                {
                    try
                    {
                        queue.put(event.getPath());
                    }
                    catch ( InterruptedException e )
                    {
                        throw new Error(e);
                    }
                }
            };
            client.create().forPath("/base");
            client.getChildren().usingWatcher(watcher).forPath("/base");
            client.create().forPath("/base/child");

            String      path = queue.take();
            Assert.assertEquals(path, "/base");
        }
        finally
        {
            client.close();
        }
    }
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Examples of org.apache.curator.framework.CuratorFramework

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    @Test
    public void     testNamespaceInBackground() throws Exception
    {
        CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder.connectString(server.getConnectString()).namespace("aisa").retryPolicy(new RetryOneTime(1)).build();
        client.start();
        try
        {
            final BlockingQueue<String>     queue = new LinkedBlockingQueue<String>();
            CuratorListener                 listener = new CuratorListener()
            {
                @Override
                public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
                {
                    if ( event.getType() == CuratorEventType.EXISTS )
                    {
                        queue.put(event.getPath());
                    }
                }
            };

            client.getCuratorListenable().addListener(listener);
            client.create().forPath("/base");
            client.checkExists().inBackground().forPath("/base");

            String      path = queue.poll(10, TimeUnit.SECONDS);
            Assert.assertEquals(path, "/base");

            client.getCuratorListenable().removeListener(listener);

            BackgroundCallback      callback = new BackgroundCallback()
            {
                @Override
                public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
                {
                    queue.put(event.getPath());
                }
            };
            client.getChildren().inBackground(callback).forPath("/base");
            path = queue.poll(10, TimeUnit.SECONDS);
            Assert.assertEquals(path, "/base");
        }
        finally
        {
            client.close();
        }
    }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

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    @Test
    public void     testCreateACL() throws Exception
    {
        CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder
            .connectString(server.getConnectString())
            .authorization("digest", "me:pass".getBytes())
            .retryPolicy(new RetryOneTime(1))
            .build();
        client.start();
        try
        {
            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());
            client.close();

            client = builder
                .connectString(server.getConnectString())
                .authorization("digest", "me:pass".getBytes())
                .retryPolicy(new RetryOneTime(1))
                .build();
            client.start();
            try
            {
                client.setData().forPath("/test", "test".getBytes());
            }
            catch ( KeeperException.NoAuthException e )
            {
                Assert.fail("Auth failed");
            }
            client.close();

            client = builder
                .connectString(server.getConnectString())
                .authorization("digest", "something:else".getBytes())
                .retryPolicy(new RetryOneTime(1))
                .build();
            client.start();
            try
            {
                client.setData().forPath("/test", "test".getBytes());
                Assert.fail("Should have failed with auth exception");
            }
            catch ( KeeperException.NoAuthException e )
            {
                // expected
            }
        }
        finally
        {
            client.close();
        }
    }
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Examples of org.apache.curator.framework.CuratorFramework

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    @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");
            }
            catch ( KeeperException.ConnectionLossException e )
            {
                // expected
            }

            server = new TestingServer(server.getPort(), server.getTempDirectory());
            try
            {
                client.setData().forPath("/test", "test".getBytes());
            }
            catch ( KeeperException.NoAuthException e )
            {
                Assert.fail("Auth failed");
            }
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Examples of org.apache.curator.framework.CuratorFramework

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    @Test
    public void     testCreateParents() throws Exception
    {
        CuratorFrameworkFactory.Builder      builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).build();
        client.start();
        try
        {
            client.create().creatingParentsIfNeeded().forPath("/one/two/three", "foo".getBytes());
            byte[]      data = client.getData().forPath("/one/two/three");
            Assert.assertEquals(data, "foo".getBytes());

            client.create().creatingParentsIfNeeded().forPath("/one/two/another", "bar".getBytes());
            data = client.getData().forPath("/one/two/another");
            Assert.assertEquals(data, "bar".getBytes());
        }
        finally
        {
            client.close();
        }
    }
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Examples of org.apache.curator.framework.CuratorFramework

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    public void     testEnsurePathWithNamespace() throws Exception
    {
        final String namespace = "jz";

        CuratorFrameworkFactory.Builder      builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace(namespace).build();
        client.start();
        try
        {
            EnsurePath ensurePath = new EnsurePath("/pity/the/fool");
            ensurePath.ensure(client.getZookeeperClient());
            Assert.assertNull(client.getZookeeperClient().getZooKeeper().exists("/jz/pity/the/fool", false));

            ensurePath = client.newNamespaceAwareEnsurePath("/pity/the/fool");
            ensurePath.ensure(client.getZookeeperClient());
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/jz/pity/the/fool", false));
        }
        finally
        {
            client.close();
        }
    }
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Examples of org.apache.curator.framework.CuratorFramework

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{
    @Test
    public void testNeverConnected() throws Exception
    {
        // use a connection string to a non-existent server
        CuratorFramework client = CuratorFrameworkFactory.newClient("localhost:1111", 100, 100, new RetryOneTime(1));
        try
        {
            final BlockingQueue<ConnectionState> queue = Queues.newLinkedBlockingQueue();
            ConnectionStateListener listener = new ConnectionStateListener()
            {
                @Override
                public void stateChanged(CuratorFramework client, ConnectionState state)
                {
                    queue.add(state);
                }
            };
            client.getConnectionStateListenable().addListener(listener);
            client.start();

            client.create().inBackground().forPath("/");

            Assert.assertEquals(queue.take(), ConnectionState.LOST);
        }
        finally
        {
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Examples of org.apache.curator.framework.CuratorFramework

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    public void     testNamespace() throws Exception
    {
        final String namespace = "TestNamespace";
       
        CuratorFrameworkFactory.Builder      builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace(namespace).build();
        client.start();
        try
        {
            String      actualPath = client.create().forPath("/test");
            Assert.assertEquals(actualPath, "/test");
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/" + namespace + "/test", false));
            Assert.assertNull(client.getZookeeperClient().getZooKeeper().exists("/test", false));

            actualPath = client.nonNamespaceView().create().forPath("/non");
            Assert.assertEquals(actualPath, "/non");
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/non", false));

            client.create().forPath("/test/child", "hey".getBytes());
            byte[]      bytes = client.getData().forPath("/test/child");
            Assert.assertEquals(bytes, "hey".getBytes());

            bytes = client.nonNamespaceView().getData().forPath("/" + namespace + "/test/child");
            Assert.assertEquals(bytes, "hey".getBytes());
        }
        finally
        {
            client.close();
        }
    }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

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    }

    @Test
    public void     testCustomCallback() throws Exception
    {
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        client.start();
        try
        {
            final CountDownLatch    latch = new CountDownLatch(1);
            BackgroundCallback      callback = new BackgroundCallback()
            {
                @Override
                public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
                {
                    if ( event.getType() == CuratorEventType.CREATE )
                    {
                        if ( event.getPath().equals("/head") )
                        {
                            latch.countDown();
                        }
                    }
                }
            };
            client.create().inBackground(callback).forPath("/head");
            Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
        }
        finally
        {
            client.close();
        }
    }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

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    }

    @Test
    public void     testSync() throws Exception
    {
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        client.start();
        try
        {
            client.getCuratorListenable().addListener
            (
                new CuratorListener()
                {
                    @Override
                    public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
                    {
                        if ( event.getType() == CuratorEventType.SYNC )
                        {
                            Assert.assertEquals(event.getPath(), "/head");
                            ((CountDownLatch)event.getContext()).countDown();
                        }
                    }
                }
            );

            client.create().forPath("/head");
            Assert.assertNotNull(client.checkExists().forPath("/head"));

            CountDownLatch      latch = new CountDownLatch(1);
            client.sync("/head", latch);
            Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
        }
        finally
        {
            client.close();
        }
    }
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