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org.apache.pulsar.zookeeper.ZooKeeperClientFactory类的使用及代码示例

转载 作者:知者 更新时间:2024-03-13 13:01:11 27 4
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本文整理了Java中org.apache.pulsar.zookeeper.ZooKeeperClientFactory类的一些代码示例,展示了ZooKeeperClientFactory类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZooKeeperClientFactory类的具体详情如下:
包路径:org.apache.pulsar.zookeeper.ZooKeeperClientFactory
类名称:ZooKeeperClientFactory

ZooKeeperClientFactory介绍

暂无

代码示例

代码示例来源:origin: org.apache.pulsar/pulsar-zookeeper-utils

public void start() throws IOException {
  CompletableFuture<ZooKeeper> zkFuture = zlClientFactory.create(globalZkConnect, SessionType.AllowReadOnly,
      zkSessionTimeoutMillis);
  // Initial session creation with global ZK must work
  try {
    ZooKeeper newSession = zkFuture.get(10, TimeUnit.SECONDS);
    // Register self as a watcher to receive notification when session expires and trigger a new session to be
    // created
    newSession.register(this);
    zkSession.set(newSession);
  } catch (InterruptedException | ExecutionException | TimeoutException e) {
    LOG.error("Failed to establish global zookeeper session: {}", e.getMessage(), e);
    throw new IOException(e);
  }
}

代码示例来源:origin: org.apache.pulsar/pulsar-zookeeper-utils

protected void asyncRestartZooKeeperSession() {
  // schedule a re-connect event using this as the watch
  LOG.info("Re-starting global ZK session in the background...");
  CompletableFuture<ZooKeeper> zkFuture = zlClientFactory.create(globalZkConnect, SessionType.AllowReadOnly,
      zkSessionTimeoutMillis);
  zkFuture.thenAccept(zk -> {
    if (zkSession.compareAndSet(null, zk)) {
      LOG.info("Successfully re-created global ZK session: {}", zk);
    } else {
      // Other reconnection happened, we can close the session
      safeCloseZkSession(zk);
    }
  }).exceptionally(ex -> {
    LOG.warn("Failed to re-create global ZK session: {}", ex.getMessage());
    // Schedule another attempt for later
    scheduledExecutor.schedule(() -> {
      asyncRestartZooKeeperSession();
    }, 10, TimeUnit.SECONDS);
    return null;
  });
}

代码示例来源:origin: org.apache.pulsar/pulsar-zookeeper-utils

public void start(ShutdownService shutdownService) throws IOException {
  // Connect to local ZK
  CompletableFuture<ZooKeeper> zkFuture = zkClientFactory.create(zkConnect, SessionType.ReadWrite,
      (int) zkSessionTimeoutMillis);
  try {
    localZooKeeper = zkFuture.get(zkSessionTimeoutMillis, TimeUnit.MILLISECONDS);
    localZooKeeperSessionWatcher = new ZooKeeperSessionWatcher(localZooKeeper, zkSessionTimeoutMillis,
        shutdownService);
    localZooKeeperSessionWatcher.start();
    localZooKeeper.register(localZooKeeperSessionWatcher);
  } catch (Exception e) {
    throw new IOException("Failed to establish session with local ZK", e);
  }
}

代码示例来源:origin: org.apache.pulsar/pulsar-broker

arguments.configurationStore);
ZooKeeperClientFactory zkfactory = new ZookeeperClientFactoryImpl();
ZooKeeper localZk = zkfactory.create(arguments.zookeeper, SessionType.ReadWrite, 30000).get();
ZooKeeper configStoreZk = zkfactory.create(arguments.configurationStore, SessionType.ReadWrite, 30000).get();

代码示例来源:origin: org.apache.pulsar/pulsar-proxy

/**
 * Initialize ZooKeeper session and creates broker cache list
 *
 * @param zookeeperServers
 * @throws Exception
 */
public ZookeeperCacheLoader(ZooKeeperClientFactory factory, String zookeeperServers, int zookeeperSessionTimeoutMs) throws Exception {
  this.zkClient = factory.create(zookeeperServers, SessionType.AllowReadOnly, zookeeperSessionTimeoutMs).get();
  this.localZkCache = new LocalZooKeeperCache(zkClient, this.orderedExecutor);
  this.brokerInfo = new ZooKeeperDataCache<LoadManagerReport>(localZkCache) {
    @Override
    public LoadManagerReport deserialize(String key, byte[] content) throws Exception {
      return ObjectMapperFactory.getThreadLocal().readValue(content, LoadManagerReport.class);
    }
  };
  this.availableBrokersCache = new ZooKeeperChildrenCache(getLocalZkCache(), LOADBALANCE_BROKERS_ROOT);
  this.availableBrokersCache.registerListener((path, brokerNodes, stat) -> {
    try {
      updateBrokerList(brokerNodes);
    } catch (Exception e) {
      log.warn("Error updating broker info after broker list changed.", e);
    }
  });
  // Do initial fetch of brokers list
  try {
    updateBrokerList(availableBrokersCache.get());
  } catch (NoNodeException nne) { // can happen if no broker started yet
    updateBrokerList(Collections.emptySet());
  }
}

代码示例来源:origin: org.apache.pulsar/pulsar-broker

ZooKeeperClientFactory zkClientFactory = new ZookeeperBkClientFactoryImpl(executor);
ZooKeeper zk = zkClientFactory.create(brokerConfig.getZookeeperServers(),
                   ZooKeeperClientFactory.SessionType.ReadWrite,
                   (int)brokerConfig.getZooKeeperSessionTimeoutMillis()).get();

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