Package org.apache.curator.framework

Examples of org.apache.curator.framework.CuratorFramework

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                              .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) {
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        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);
        }
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    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;
    }
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        ret.start();
        return ret;
    }
   
    public static CuratorFramework newCuratorStarted(Map conf, List<String> servers, Object port) {
        CuratorFramework ret = newCurator(conf, servers, port);
        ret.start();
        return ret;
    }   
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    }

    @Test
    public void     testWithNamespace() throws Exception
    {
        CuratorFramework        client = CuratorFrameworkFactory.builder().connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace("galt").build();
        client.start();
        try
        {
            Collection<CuratorTransactionResult>    results =
                client.inTransaction()
                    .create().forPath("/foo", "one".getBytes())
                .and()
                    .create().withMode(CreateMode.PERSISTENT_SEQUENTIAL).forPath("/test-", "one".getBytes())
                .and()
                    .setData().forPath("/foo", "two".getBytes())
                .and()
                    .create().forPath("/foo/bar")
                .and()
                    .delete().forPath("/foo/bar")
                .and()
                    .commit();

            Assert.assertTrue(client.checkExists().forPath("/foo") != null);
            Assert.assertTrue(client.usingNamespace(null).checkExists().forPath("/galt/foo") != null);
            Assert.assertEquals(client.getData().forPath("/foo"), "two".getBytes());
            Assert.assertTrue(client.checkExists().forPath("/foo/bar") == null);

            CuratorTransactionResult    ephemeralResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/test-"));
            Assert.assertNotNull(ephemeralResult);
            Assert.assertNotEquals(ephemeralResult.getResultPath(), "/test-");
            Assert.assertTrue(ephemeralResult.getResultPath().startsWith("/test-"));
        }
        finally
        {
            client.close();
        }
    }
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    }

    @Test
    public void     testBasic() throws Exception
    {
        CuratorFramework        client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        client.start();
        try
        {
            Collection<CuratorTransactionResult>    results =
                client.inTransaction()
                    .create().forPath("/foo")
                .and()
                    .create().forPath("/foo/bar", "snafu".getBytes())
                .and()
                    .commit();

            Assert.assertTrue(client.checkExists().forPath("/foo/bar") != null);
            Assert.assertEquals(client.getData().forPath("/foo/bar"), "snafu".getBytes());

            CuratorTransactionResult    fooResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo"));
            CuratorTransactionResult    fooBarResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo/bar"));
            Assert.assertNotNull(fooResult);
            Assert.assertNotNull(fooBarResult);
            Assert.assertNotSame(fooResult, fooBarResult);
            Assert.assertEquals(fooResult.getResultPath(), "/foo");
            Assert.assertEquals(fooBarResult.getResultPath(), "/foo/bar");
        }
        finally
        {
            client.close();
        }
    }
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    }

    @Test
    public void     testGetNamespace() throws Exception
    {
        CuratorFramework    client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        CuratorFramework    client2 = CuratorFrameworkFactory.builder().namespace("snafu").retryPolicy(new RetryOneTime(1)).connectString("").build();
        try
        {
            client.start();

            CuratorFramework fooClient = client.usingNamespace("foo");
            CuratorFramework barClient = client.usingNamespace("bar");

            Assert.assertEquals(client.getNamespace(), "");
            Assert.assertEquals(client2.getNamespace(), "snafu");
            Assert.assertEquals(fooClient.getNamespace(), "foo");
            Assert.assertEquals(barClient.getNamespace(), "bar");
        }
        finally
        {
            CloseableUtils.closeQuietly(client2);
            CloseableUtils.closeQuietly(client);
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    }

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

            CuratorFramework fooClient = client.usingNamespace("foo");
            CuratorFramework barClient = client.usingNamespace("bar");

            fooClient.create().forPath("/one");
            barClient.create().forPath("/one");

            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/foo/one", false));
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/bar/one", false));
        }
        finally
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    }

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

            Assert.assertSame(client.usingNamespace("foo"), client.usingNamespace("foo"));
            Assert.assertNotSame(client.usingNamespace("foo"), client.usingNamespace("bar"));
        }
        finally
        {
            CloseableUtils.closeQuietly(client);
        }
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    }

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

            client.create().forPath("/one");
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/one", false));

            client.usingNamespace("space").create().forPath("/one");
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/space", false));

            client.usingNamespace("name").create().forPath("/one");
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/name", false));
            Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/name/one", false));
        }
        finally
        {
            CloseableUtils.closeQuietly(client);
        }
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