Package com.netflix.curator.framework

Examples of com.netflix.curator.framework.CuratorFramework.create()

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            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();
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    public String testCurator() throws Exception {
        String path = "/test_path";
        CuratorFramework client = CuratorFrameworkFactory.builder().connectString("zookeeper.n.miliao.com:2181").namespace("/test1")
                .retryPolicy(new RetryNTimes(Integer.MAX_VALUE, 1000)).connectionTimeoutMs(5000).build();
        // create a node
        client.create().forPath("/head", new byte[0]);

        // delete a node in background
        client.delete().inBackground().forPath("/head");

        // create a EPHEMERAL_SEQUENTIAL
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        // delete a node in background
        client.delete().inBackground().forPath("/head");

        // create a EPHEMERAL_SEQUENTIAL
        client.create().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/head/child", new byte[0]);

        // get the data
        client.getData().watched().inBackground().forPath("/test");

        // check the path exits
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        CuratorFramework client = CuratorFrameworkFactory.builder().connectString("zookeeper.n.miliao.com:2181").namespace("/brokers").retryPolicy(new RetryNTimes(Integer.MAX_VALUE, 1000)).connectionTimeoutMs(5000).build();
        // 启动 上面的namespace会作为一个最根的节点在使用时自动创建
        client.start();

        // 创建一个节点
        client.create().forPath("/head", new byte[0]);

        // 异步地删除一个节点
        client.delete().inBackground().forPath("/head");

        // 创建一个临时节点
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        // 异步地删除一个节点
        client.delete().inBackground().forPath("/head");

        // 创建一个临时节点
        client.create().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/head/child", new byte[0]);

        // 取数据
        client.getData().watched().inBackground().forPath("/test");

        // 检查路径是否存在
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            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();
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            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();
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