Java Code Examples for org.apache.curator.retry.ExponentialBackoffRetry

The following examples show how to use org.apache.curator.retry.ExponentialBackoffRetry. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: YuRPC   Source File: ZKDiscoveryServiceImpl.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * 初始化方法,(仅在使用无参构造器时使用)
 *
 * @param zookeeper
 * @throws java.lang.Throwable 异常
 */
public void init(String zookeeper) throws Throwable {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
    this.client = CuratorFrameworkFactory.newClient(zookeeper, retryPolicy);
    this.client.start();
    this.client.getConnectionStateListenable().addListener((ConnectionStateListener) (CuratorFramework cf, ConnectionState cs) -> {
        if (cs == ConnectionState.RECONNECTED) {
            if (pathValue != null && !pathValue.isEmpty()) {
                pathValue.entrySet().forEach((entry) -> {
                    String path = entry.getKey();
                    byte[] value = entry.getValue();
                    try {
                        cf.create().withMode(CreateMode.EPHEMERAL).forPath(path, value);
                    } catch (Exception ex) {
                        LOGGER.error(ex.getMessage());
                    }
                });
            }
        }
    }, watcherExecutorService);
}
 
Example 2
@Bean(name = "curatorFramework")
    @ConditionalOnMissingBean(name = "curatorFramework")
    protected CuratorFramework curatorFramework() throws Exception {

        RetryPolicy retryPolicy = new ExponentialBackoffRetry(beihuZookeeperProperties.getRetryPolicy().getBaseSleepTime(),
                beihuZookeeperProperties.getRetryPolicy().getRetryNum(),
                beihuZookeeperProperties.getRetryPolicy().getMaxSleepTime());

        return CuratorFrameworkFactory.builder()
                .connectString(beihuZookeeperProperties.getZhosts())
                .sessionTimeoutMs(beihuZookeeperProperties.getSessionTimeout())
//                .connectionTimeoutMs(beihuZookeeperProperties.getConnectionTimeout())
                .namespace(beihuZookeeperProperties.getNamespace())
                .retryPolicy(retryPolicy)
                .build();
    }
 
Example 3
Source Project: Flink-CEPplus   Source File: ZookeeperOffsetHandler.java    License: Apache License 2.0 6 votes vote down vote up
public ZookeeperOffsetHandler(Properties props) {
	this.groupId = props.getProperty(ConsumerConfig.GROUP_ID_CONFIG);
	if (this.groupId == null) {
		throw new IllegalArgumentException("Required property '"
				+ ConsumerConfig.GROUP_ID_CONFIG + "' has not been set");
	}

	String zkConnect = props.getProperty("zookeeper.connect");
	if (zkConnect == null) {
		throw new IllegalArgumentException("Required property 'zookeeper.connect' has not been set");
	}

	// we use Curator's default timeouts
	int sessionTimeoutMs =  Integer.valueOf(props.getProperty("zookeeper.session.timeout.ms", "60000"));
	int connectionTimeoutMs = Integer.valueOf(props.getProperty("zookeeper.connection.timeout.ms", "15000"));

	// undocumented config options allowing users to configure the retry policy. (they are "flink." prefixed as they are no official kafka configs)
	int backoffBaseSleepTime = Integer.valueOf(props.getProperty("flink.zookeeper.base-sleep-time.ms", "100"));
	int backoffMaxRetries =  Integer.valueOf(props.getProperty("flink.zookeeper.max-retries", "10"));

	RetryPolicy retryPolicy = new ExponentialBackoffRetry(backoffBaseSleepTime, backoffMaxRetries);
	curatorClient = CuratorFrameworkFactory.newClient(zkConnect, sessionTimeoutMs, connectionTimeoutMs, retryPolicy);
	curatorClient.start();
}
 
Example 4
Source Project: mykit-delay   Source File: SimpleLeaderManager.java    License: Apache License 2.0 6 votes vote down vote up
public void init() {
    CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder()
            .connectString(properties.getServerList())
            .retryPolicy(new ExponentialBackoffRetry(properties.getBaseSleepTimeMilliseconds(),
                    properties.getMaxRetries(),
                    properties.getMaxSleepTimeMilliseconds()))
            .namespace(ServerNode.NAMESPACE);
    framework = builder.build();
    framework.start();
    leaderLatch = new LeaderLatch(framework, ServerNode.LEADERLATCH, serverName, LeaderLatch.CloseMode.NOTIFY_LEADER);
    for (LeaderLatchListener listener : listeners) {
        leaderLatch.addListener(listener);
    }
    LOGGER.info("starting Queue Master Slave Model ...");
    start();
}
 
Example 5
@Before
public void before() throws Exception {
    restTemplate = new RestTemplate();
    // 初始化 zk 节点
    client = CuratorFrameworkFactory.newClient("localhost:2181", new ExponentialBackoffRetry(
        1000, 3));
    client.start();
    int index = 0;
    while (registryDataCache.fetchService().size() == 0 && index++ < tryTimes) {
        initZookeeperRpcData();
    }

    if (registryDataCache.fetchService().size() == 0) {
        List<RpcService> providerList = new ArrayList<>();
        RpcService rpcService = new RpcService();
        rpcService.setServiceName("serviceId1");
        providerList.add(rpcService);
        registryDataCache.addService(providerList);
    }
}
 
Example 6
Source Project: gpmall   Source File: ZkMutexDistributedLockFactory.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * 初始化
 */
private static synchronized void init() {
    if(client==null){
        //TODO zk地址
        String IPAndPort = "";
        //TODO 项目名
        String projectName = "";
        if(StringUtils.isEmpty(IPAndPort) || StringUtils.isEmpty(projectName)){
            logger.error("zk锁启动失败缺少配置--IP和端口号/项目名");
            throw new RuntimeException("zk锁启动异常--缺少配置--IP和端口号/项目名");
        }
        ZkMutexDistributedLockFactory.projectName = projectName+"/";
        client = CuratorFrameworkFactory.builder()
                .connectString(IPAndPort)
                .retryPolicy(new ExponentialBackoffRetry(1000, 3))
                .build();
        client.start();
        // 启动后台线程
        LockBackGroundThread backGroundThread = new LockBackGroundThread(client);
        backGroundThread.start();
    }
}
 
Example 7
Source Project: flink   Source File: ZookeeperOffsetHandler.java    License: Apache License 2.0 6 votes vote down vote up
public ZookeeperOffsetHandler(Properties props) {
	this.groupId = props.getProperty(ConsumerConfig.GROUP_ID_CONFIG);
	if (this.groupId == null) {
		throw new IllegalArgumentException("Required property '"
				+ ConsumerConfig.GROUP_ID_CONFIG + "' has not been set");
	}

	String zkConnect = props.getProperty("zookeeper.connect");
	if (zkConnect == null) {
		throw new IllegalArgumentException("Required property 'zookeeper.connect' has not been set");
	}

	// we use Curator's default timeouts
	int sessionTimeoutMs =  Integer.valueOf(props.getProperty("zookeeper.session.timeout.ms", "60000"));
	int connectionTimeoutMs = Integer.valueOf(props.getProperty("zookeeper.connection.timeout.ms", "15000"));

	// undocumented config options allowing users to configure the retry policy. (they are "flink." prefixed as they are no official kafka configs)
	int backoffBaseSleepTime = Integer.valueOf(props.getProperty("flink.zookeeper.base-sleep-time.ms", "100"));
	int backoffMaxRetries =  Integer.valueOf(props.getProperty("flink.zookeeper.max-retries", "10"));

	RetryPolicy retryPolicy = new ExponentialBackoffRetry(backoffBaseSleepTime, backoffMaxRetries);
	curatorClient = CuratorFrameworkFactory.newClient(zkConnect, sessionTimeoutMs, connectionTimeoutMs, retryPolicy);
	curatorClient.start();
}
 
Example 8
Source Project: DDMQ   Source File: StateKeeper.java    License: Apache License 2.0 6 votes vote down vote up
public void start() throws Exception {
    if (StringUtils.isEmpty(namesrvController.getNamesrvConfig().getClusterName())
        || StringUtils.isEmpty(namesrvController.getNamesrvConfig().getZkPath())) {
        log.error("clusterName:{} or zk path:{} is empty",
            namesrvController.getNamesrvConfig().getClusterName(), namesrvController.getNamesrvConfig().getZkPath());
        throw new Exception("cluster name or zk path is null");
    }
    hostName = getHostName();
    zkClient = CuratorFrameworkFactory.newClient(namesrvController.getNamesrvConfig().getZkPath(),
        SESSION_TIMEOUT_MS, CONNECTION_TIMEOUT_MS, new ExponentialBackoffRetry(RETRY_INTERVAL_MS, RETRY_COUNT));
    zkClient.getConnectionStateListenable().addListener(new StateListener());
    zkClient.start();

    createRootPath();
    registerLeaderLatch();
}
 
Example 9
Source Project: xian   Source File: TestInterProcessMutexBase.java    License: Apache License 2.0 6 votes vote down vote up
@Test
public void testWithNamespace() throws Exception
{
    CuratorFramework client = CuratorFrameworkFactory.builder().
        connectString(server.getConnectString()).
        retryPolicy(new ExponentialBackoffRetry(100, 3)).
        namespace("test").
        build();
    client.start();
    try
    {
        InterProcessLock mutex = makeLock(client);
        mutex.acquire(10, TimeUnit.SECONDS);
        Thread.sleep(100);
        mutex.release();
    }
    finally
    {
        client.close();
    }
}
 
Example 10
Source Project: xian   Source File: TestRetryLoop.java    License: Apache License 2.0 6 votes vote down vote up
@Test
public void     testExponentialBackoffRetryLimit()
{
    RetrySleeper                    sleeper = new RetrySleeper()
    {
        @Override
        public void sleepFor(long time, TimeUnit unit) throws InterruptedException
        {
            Assert.assertTrue(unit.toMillis(time) <= 100);
        }
    };
    ExponentialBackoffRetry         retry = new ExponentialBackoffRetry(1, Integer.MAX_VALUE, 100);
    for ( int i = 0; i >= 0; ++i )
    {
        retry.allowRetry(i, 0, sleeper);
    }
}
 
Example 11
Source Project: Mykit   Source File: ZkReentrantLockTemplateTest.java    License: Apache License 2.0 6 votes vote down vote up
public static void main(String[] args) {
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
	CuratorFramework client = CuratorFrameworkFactory.newClient("127.0.0.1:2181", retryPolicy);
	client.start();

	final ZkDistributedLockTemplate template = new ZkDistributedLockTemplate(client);// 本类多线程安全,可通过spring注入
	template.execute("订单流水号", 5000, new Callback() {
		@Override
		public Object onGetLock() throws InterruptedException {
			// TODO 获得锁后要做的事
			return null;
		}

		@Override
		public Object onTimeout() throws InterruptedException {
			// TODO 获得锁超时后要做的事
			return null;
		}
	});
}
 
Example 12
Source Project: DDMQ   Source File: StateKeeper.java    License: Apache License 2.0 6 votes vote down vote up
public void start() throws Exception {
    if (StringUtils.isEmpty(namesrvController.getNamesrvConfig().getClusterName())
        || StringUtils.isEmpty(namesrvController.getNamesrvConfig().getZkPath())) {
        log.error("clusterName:{} or zk path:{} is empty",
            namesrvController.getNamesrvConfig().getClusterName(), namesrvController.getNamesrvConfig().getZkPath());
        throw new Exception("cluster name or zk path is null");
    }
    hostName = getHostName();
    zkClient = CuratorFrameworkFactory.newClient(namesrvController.getNamesrvConfig().getZkPath(),
        SESSION_TIMEOUT_MS, CONNECTION_TIMEOUT_MS, new ExponentialBackoffRetry(RETRY_INTERVAL_MS, RETRY_COUNT));
    zkClient.getConnectionStateListenable().addListener(new StateListener());
    zkClient.start();

    createRootPath();
    registerLeaderLatch();
}
 
Example 13
Source Project: AthenaServing   Source File: ZkHelper.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * 创建一个客户端连接
 *
 * @param connectionString
 * @return
 */
private CuratorFramework createSimpleClient(String connectionString) {
    // these are reasonable arguments for the ExponentialBackoffRetry.
    // The first retry will wait 1 second - the second will wait up to 2 seconds - the
    // third will wait up to 4 seconds.
    ExponentialBackoffRetry retryPolicy = new ExponentialBackoffRetry(1000, 3);
    // The simplest way to get a CuratorFramework instance. This will use default values.
    // The only required arguments are the connection string and the retry policy
    CuratorFramework client = CuratorFrameworkFactory.newClient(connectionString, retryPolicy);
    client.start();
    return client;
}
 
Example 14
Source Project: Qualitis   Source File: ZookeeperCuratorManager.java    License: Apache License 2.0 5 votes vote down vote up
public CuratorFramework createClient() {
    Integer baseSleepTimeMs = zkConfig.getBaseSleepTimeMs();
    Integer maxRetries = zkConfig.getMaxRetries();
    Integer sessionTimeOutMs = zkConfig.getSessionTimeOutMs();
    Integer connectionTimeOutMs = zkConfig.getConnectionTimeOutMs();

    RetryPolicy retryPolicy = new ExponentialBackoffRetry(baseSleepTimeMs, maxRetries);
    CuratorFramework client = CuratorFrameworkFactory.newClient(zkConfig.getZkAddress(), sessionTimeOutMs, connectionTimeOutMs, retryPolicy);

    LOGGER.info("Start to create zookeeper connection., url: {}", zkConfig.getZkAddress());
    client.start();
    LOGGER.info("Succeed to create zookeeper connection. url: {}", zkConfig.getZkAddress());
    return client;
}
 
Example 15
public ZooKeeperTestClient(String nodes) {
    curator = CuratorFrameworkFactory.builder()
        .connectString(nodes)
        .retryPolicy(new ExponentialBackoffRetry(1000, 3))
        .build();
    discovery = ServiceDiscoveryBuilder.builder(ZooKeeperServiceRegistry.MetaData.class)
        .client(curator)
        .basePath(SERVICE_PATH)
        .serializer(new JsonInstanceSerializer<>(ZooKeeperServiceRegistry.MetaData.class))
        .build();
}
 
Example 16
Source Project: Flink-CEPplus   Source File: KafkaTestEnvironmentImpl.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Only for the 0.8 server we need access to the zk client.
 */
public CuratorFramework createCuratorClient() {
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(100, 10);
	CuratorFramework curatorClient = CuratorFrameworkFactory.newClient(standardProps.getProperty("zookeeper.connect"), retryPolicy);
	curatorClient.start();
	return curatorClient;
}
 
Example 17
Source Project: sofa-dashboard   Source File: ZkCommandClient.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void afterPropertiesSet() throws Exception {
    // custom policy
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(baseSleepTimeMs, maxRetries);
    // to build curatorClient
    curatorClient = CuratorFrameworkFactory.builder().connectString(connectString)
        .sessionTimeoutMs(sessionTimeoutMs).connectionTimeoutMs(connectionTimeoutMs)
        .retryPolicy(retryPolicy).build();
    curatorClient.start();
}
 
Example 18
Source Project: sofa-dashboard   Source File: ZkCommandPushManagerTest.java    License: Apache License 2.0 5 votes vote down vote up
@Before
public void before() throws Exception {
    // 初始化 zk 节点
    client = CuratorFrameworkFactory.newClient("localhost:2181", new ExponentialBackoffRetry(
        1000, 3));
    client.start();
    client
        .create()
        .creatingParentContainersIfNeeded()
        .withMode(CreateMode.PERSISTENT)
        .forPath(
            SofaDashboardConstants.SOFA_ARK_ROOT + SofaDashboardConstants.SEPARATOR + "testApp",
            "".getBytes());
}
 
Example 19
Source Project: sofa-dashboard   Source File: ArkManagementTest.java    License: Apache License 2.0 5 votes vote down vote up
@Before
public void before() throws Exception {
    restTemplate = new RestTemplate();
    // 初始化 zk 节点
    client = CuratorFrameworkFactory.newClient("localhost:2181", new ExponentialBackoffRetry(
        1000, 3));
    client.start();
}
 
Example 20
Source Project: sofa-rpc   Source File: ZookeeperAuthBoltServerTest.java    License: Apache License 2.0 5 votes vote down vote up
protected void createPathWithAuth() {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
    CuratorFrameworkFactory.Builder zkClientuilder = CuratorFrameworkFactory.builder()
        .connectString("127.0.0.1:2181")
        .sessionTimeoutMs(20000 * 3)
        .connectionTimeoutMs(20000)
        .canBeReadOnly(false)
        .retryPolicy(retryPolicy)
        .defaultData(null);

    //是否需要添加zk的认证信息
    Map authMap = new HashMap<String, String>();
    authMap.put("scheme", "digest");
    //如果存在多个认证信息,则在参数形式为为user1:passwd1,user2:passwd2
    authMap.put("addAuth", "sofazk:rpc1");

    List<AuthInfo> authInfos = buildAuthInfo(authMap);
    if (CommonUtils.isNotEmpty(authInfos)) {
        zkClientuilder = zkClientuilder.aclProvider(getDefaultAclProvider())
            .authorization(authInfos);
    }

    try {
        zkClient = zkClientuilder.build();
        zkClient.start();
        zkClient.create().withMode(CreateMode.PERSISTENT).forPath("/authtest");
    } catch (Exception e) {
        Assert.fail(e.getMessage());
    }
}
 
Example 21
@Test
public void testZooKeeperDataSource() throws Exception {
    TestingServer server = new TestingServer(21812);
    server.start();

    final String remoteAddress = server.getConnectString();
    final String path = "/sentinel-zk-ds-demo/flow-HK";

    ReadableDataSource<String, List<FlowRule>> flowRuleDataSource = new ZookeeperDataSource<List<FlowRule>>(remoteAddress, path,
            new Converter<String, List<FlowRule>>() {
                @Override
                public List<FlowRule> convert(String source) {
                    return JSON.parseObject(source, new TypeReference<List<FlowRule>>() {
                    });
                }
            });
    FlowRuleManager.register2Property(flowRuleDataSource.getProperty());

    CuratorFramework zkClient = CuratorFrameworkFactory.newClient(remoteAddress,
            new ExponentialBackoffRetry(3, 1000));
    zkClient.start();
    Stat stat = zkClient.checkExists().forPath(path);
    if (stat == null) {
        zkClient.create().creatingParentContainersIfNeeded().withMode(CreateMode.PERSISTENT).forPath(path, null);
    }

    final String resourceName = "HK";
    publishThenTestFor(zkClient, path, resourceName, 10);
    publishThenTestFor(zkClient, path, resourceName, 15);

    zkClient.close();
    server.stop();
}
 
Example 22
Source Project: gpmall   Source File: CuratorFrameworkClient.java    License: Apache License 2.0 5 votes vote down vote up
public  CuratorFramework createCuratorFramework(){
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000,100,2000);
    curatorFramework  = (CuratorFramework) CuratorFrameworkFactory.builder().
            connectString(zooKeeperClientProperties.getZkHosts()).
            sessionTimeoutMs(zooKeeperClientProperties.getSessionTimeout()).
            namespace(zooKeeperClientProperties.getNamespace()).
            retryPolicy(retryPolicy);
    curatorFramework.start();
    return curatorFramework;
}
 
Example 23
Source Project: flink   Source File: KafkaTestEnvironmentImpl.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Only for the 0.8 server we need access to the zk client.
 */
public CuratorFramework createCuratorClient() {
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(100, 10);
	CuratorFramework curatorClient = CuratorFrameworkFactory.newClient(standardProps.getProperty("zookeeper.connect"), retryPolicy);
	curatorClient.start();
	return curatorClient;
}
 
Example 24
Source Project: DDMQ   Source File: ConfigUpdate.java    License: Apache License 2.0 5 votes vote down vote up
public boolean init() {
    if (StringUtils.isEmpty(controller.getBrokerConfig().getZkPath())) {
        return true;
    }

    client = CuratorFrameworkFactory.newClient(controller.getBrokerConfig().getZkPath(), new ExponentialBackoffRetry(1000, 3));
    client.start();

    String path = getBrokerConfigPath();
    try {
        if (client.checkExists().forPath(path) == null) {
            log.error("config path in not exist, path:{}", path);
            return false;
        }
        //add watcher
        cache = new NodeCache(client, path);
        NodeCacheListener listener = new NodeCacheListener() {
            @Override public void nodeChanged() throws Exception {
                log.info("config changed, update");
                ChildData data = cache.getCurrentData();
                if (null != data) {
                    String config = new String(cache.getCurrentData().getData());
                    updateConfig(config);
                } else {
                    log.warn("node is deleted");
                }
            }
        };

        cache.getListenable().addListener(listener);

        cache.start();
    } catch (Exception ex) {
        log.error("cache start failed", ex);
        return false;
    }

    return true;
}
 
Example 25
Source Project: spring-boot-demo   Source File: ZkConfig.java    License: MIT License 5 votes vote down vote up
@Bean
public CuratorFramework curatorFramework() {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(zkProps.getTimeout(), zkProps.getRetry());
    CuratorFramework client = CuratorFrameworkFactory.newClient(zkProps.getUrl(), retryPolicy);
    client.start();
    return client;
}
 
Example 26
Source Project: sofa-dashboard-client   Source File: ZookeeperClient.java    License: Apache License 2.0 5 votes vote down vote up
public ZookeeperClient(ZookeeperConfig config) {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(config.getBaseSleepTimeMs(),
        config.getMaxRetries());
    // to build curatorClient
    curatorClient = CuratorFrameworkFactory.builder().connectString(config.getAddress())
        .sessionTimeoutMs(config.getSessionTimeoutMs())
        .connectionTimeoutMs(config.getConnectionTimeoutMs()).retryPolicy(retryPolicy).build();
}
 
Example 27
Source Project: canal-1.1.3   Source File: CuratorClient.java    License: Apache License 2.0 5 votes vote down vote up
@PostConstruct
public void init() {
    if (adapterCanalConfig.getZookeeperHosts() != null) {
        curator = CuratorFrameworkFactory.builder()
            .connectString(adapterCanalConfig.getZookeeperHosts())
            .retryPolicy(new ExponentialBackoffRetry(1000, 3))
            .sessionTimeoutMs(6000)
            .connectionTimeoutMs(3000)
            .namespace("canal-adapter")
            .build();
        curator.start();
    }
}
 
Example 28
Source Project: joyrpc   Source File: ZKRegistry.java    License: Apache License 2.0 5 votes vote down vote up
@Override
protected CompletableFuture<Void> doConnect() {
    return Futures.call(future -> {
        CuratorFramework client = CuratorFrameworkFactory.builder().connectString(registry.address)
                .sessionTimeoutMs(registry.sessionTimeout)
                .connectionTimeoutMs(registry.connectionTimeout)
                .retryPolicy(new ExponentialBackoffRetry(1000, 3))
                .build();
        client.start();
        client.getConnectionStateListenable().addListener((curator, state) -> {
            if (!isOpen()) {
                doDisconnect().whenComplete((v, t) -> future.completeExceptionally(new IllegalStateException("controller is closed.")));
            } else if (state.isConnected()) {
                logger.warn("zk connection state is changed to " + state + ".");
                if (future.isDone()) {
                    //重新注册
                    registers.forEach((k, r) -> addBookingTask(registers, r, this::doRegister));
                } else {
                    future.complete(null);
                }
            } else {
                //会自动重连
                logger.warn("zk connection state is changed to " + state + ".");
            }
        });
        curator = AsyncCuratorFramework.wrap(client);
    });
}
 
Example 29
@Bean
public CuratorFramework getCuratorFramework() throws Exception {
	String zkUrl = env.getProperty("zookeeper.url");
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
	CuratorFramework client = CuratorFrameworkFactory.newClient(zkUrl, retryPolicy);
	client.start();
	return client;

}
 
Example 30
Source Project: rpcx-java   Source File: ZkClient.java    License: Apache License 2.0 5 votes vote down vote up
private ZkClient() {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
    String cs = Config.ins().get("rpcx.zk.connect.string");
    client =
            CuratorFrameworkFactory.builder()
                    .connectString(cs)
                    .sessionTimeoutMs(5000)
                    .connectionTimeoutMs(5000)
                    .retryPolicy(retryPolicy)
                    .build();
    client.start();
}