Examples of CuratorFramework

Examples of org.apache.curator.framework.CuratorFramework

753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
    }

    @Test
    public void     testSimple() throws Exception
    {
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        client.start();
        try
        {
            String    path = client.create().withMode(CreateMode.PERSISTENT).forPath("/test", new byte[]{1, 2, 3});
            Assert.assertEquals(path, "/test");
        }
        finally
        {
            client.close();
        }
    }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
    {
        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();

            final CountDownLatch latch = new CountDownLatch(TIMES);
            final List<Long> times = Lists.newArrayList();
            final AtomicLong start = new AtomicLong(System.currentTimeMillis());
            ((CuratorFrameworkImpl)client).debugListener = new CuratorFrameworkImpl.DebugBackgroundListener()
            {
                @Override
                public void listen(OperationAndData<?> data)
                {
                    if ( data.getOperation().getClass().getName().contains("CreateBuilderImpl") )
                    {
                        long now = System.currentTimeMillis();
                        times.add(now - start.get());
                        start.set(now);
                        latch.countDown();
                    }
                }
            };

            server.stop();
            client.create().inBackground().forPath("/one");

            latch.await();

            for ( long elapsed : times.subList(1, times.size()) )   // first one isn't a retry
            {
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
    @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);
            final List<String> paths = Lists.newArrayList();
            BackgroundCallback callback = new BackgroundCallback()
            {
                @Override
                public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
                {
                    paths.add(event.getPath());
                    latch.countDown();
                }
            };
            client.create().inBackground(callback).forPath("/one");
            client.create().inBackground(callback).forPath("/one/two");
            client.create().inBackground(callback).forPath("/one/two/three");

            latch.await();

            Assert.assertEquals(paths, Arrays.asList("/one", "/one/two", "/one/two/three"));
        }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
     */
    @Test
    public void testCuratorCallbackOnError() throws Exception
    {

        CuratorFramework client = CuratorFrameworkFactory.builder()
            .connectString(server.getConnectString())
            .sessionTimeoutMs(60000)
            .retryPolicy(new RetryNTimes(1, 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(latch.await(10, TimeUnit.SECONDS), "Callback has not been called by curator !");
        }
        finally
        {
            client.close();
        }

    }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
  }

  @Override
  protected FlumeConfiguration getFlumeConfiguration() {
    try {
      CuratorFramework cf = createClient();
      cf.start();
      try {
        byte[] data = cf.getData().forPath(basePath + "/" + getAgentName());
        return configFromBytes(data);
      } finally {
        cf.close();
      }
    } catch (Exception e) {
      LOGGER.error("Error getting configuration info from Zookeeper", e);
      throw new FlumeException(e);
    }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
    }

    @Test
    public void testShouldTrace() throws Exception {

        final CuratorFramework zkCurator = traceFilter.getZkCurator();
        assertFalse("znode does not exist.", traceFilter.trace(null));
        zkCurator.create().creatingParentsIfNeeded().forPath(SAMPLE_RATE_NODE, new String("1").getBytes());
        Thread.sleep(100);
        assertTrue(traceFilter.trace(null));
        assertTrue(traceFilter.trace(null));
        assertTrue(traceFilter.trace(null));
        setValue(zkCurator, 0);
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        setValue(zkCurator, 3);
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        assertTrue(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        assertTrue(traceFilter.trace(null));
        setValue(zkCurator, -1);
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        zkCurator.delete().forPath(SAMPLE_RATE_NODE);
        Thread.sleep(100);
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
        assertFalse(traceFilter.trace(null));
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

206
207
208
209
210
211
212
213
214
            retryPolicy = new ExponentialBackoffRetry(1000, 3);
        }

        @Override
        public CuratorFramework get() {
            CuratorFramework client = CuratorFrameworkFactory.newClient(zookeeperConnectionString, retryPolicy);
            client.start();
            return client;
        }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
                              .get(Config.TOPOLOGY_KRYO_REGISTER));
            }
            String rootDir = conf.get(Config.TRANSACTIONAL_ZOOKEEPER_ROOT) + "/" + id + "/" + subroot;
            List<String> servers = (List<String>) getWithBackup(conf, Config.TRANSACTIONAL_ZOOKEEPER_SERVERS, Config.STORM_ZOOKEEPER_SERVERS);
            Object port = getWithBackup(conf, Config.TRANSACTIONAL_ZOOKEEPER_PORT, Config.STORM_ZOOKEEPER_PORT);
            CuratorFramework initter = Utils.newCuratorStarted(conf, servers, port);
            try {
                initter.create().creatingParentsIfNeeded().forPath(rootDir);
            } catch(KeeperException.NodeExistsException e)  {
               
            }
           
            initter.close();
                                   
            _curator = Utils.newCuratorStarted(conf, servers, port, rootDir);
            _ser = new KryoValuesSerializer(conf);
            _des = new KryoValuesDeserializer(conf);
        } catch (Exception e) {
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
        try {
            conf = new HashMap(conf);
            String rootDir = conf.get(Config.TRANSACTIONAL_ZOOKEEPER_ROOT) + "/" + id + "/" + subroot;
            List<String> servers = (List<String>) getWithBackup(conf, Config.TRANSACTIONAL_ZOOKEEPER_SERVERS, Config.STORM_ZOOKEEPER_SERVERS);
            Object port = getWithBackup(conf, Config.TRANSACTIONAL_ZOOKEEPER_PORT, Config.STORM_ZOOKEEPER_PORT);
            CuratorFramework initter = Utils.newCuratorStarted(conf, servers, port);
            try {
                initter.create().creatingParentsIfNeeded().forPath(rootDir);
            } catch(KeeperException.NodeExistsException e)  {
               
            }
           
            initter.close();
                                   
            _curator = Utils.newCuratorStarted(conf, servers, port, rootDir);
        } catch (Exception e) {
           throw new RuntimeException(e);
        }
View Full Code Here

Examples of org.apache.curator.framework.CuratorFramework

366
367
368
369
370
371
372
373
374
    public static CuratorFramework newCurator(Map conf, List<String> servers, Object port) {
        return newCurator(conf, servers, port, "");
    }

    public static CuratorFramework newCuratorStarted(Map conf, List<String> servers, Object port, String root) {
        CuratorFramework ret = newCurator(conf, servers, port, root);
        ret.start();
        return ret;
    }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.