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com.alibaba.otter.canal.common.zookeeper.ZkClientx.createPersistentSequential()方法的使用及代码示例

转载 作者:知者 更新时间:2024-03-15 07:41:31 26 4
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本文整理了Java中com.alibaba.otter.canal.common.zookeeper.ZkClientx.createPersistentSequential()方法的一些代码示例,展示了ZkClientx.createPersistentSequential()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。ZkClientx.createPersistentSequential()方法的具体详情如下:
包路径:com.alibaba.otter.canal.common.zookeeper.ZkClientx
类名称:ZkClientx
方法名:createPersistentSequential

ZkClientx.createPersistentSequential介绍

[英]Create a persistent Sequential node.
[中]创建一个持久的顺序节点。

代码示例

代码示例来源:origin: alibaba/canal

/**
 * Create a persistent Sequential node.
 *
 * @param path
 * @param createParents if true all parent dirs are created as well and no
 * {@link ZkNodeExistsException} is thrown in case the path already exists
 * @throws ZkInterruptedException if operation was interrupted, or a
 * required reconnection got interrupted
 * @throws IllegalArgumentException if called from anything except the
 * ZooKeeper event thread
 * @throws ZkException if any ZooKeeper exception occurred
 * @throws RuntimeException if any other exception occurs
 */
public String createPersistentSequential(String path, boolean createParents) throws ZkInterruptedException,
                                      IllegalArgumentException, ZkException,
                                      RuntimeException {
  try {
    return create(path, null, CreateMode.PERSISTENT_SEQUENTIAL);
  } catch (ZkNoNodeException e) {
    if (!createParents) {
      throw e;
    }
    String parentDir = path.substring(0, path.lastIndexOf('/'));
    createPersistent(parentDir, createParents);
    return createPersistentSequential(path, createParents);
  }
}

代码示例来源:origin: alibaba/canal

/**
 * Create a persistent Sequential node.
 *
 * @param path
 * @param data
 * @param createParents if true all parent dirs are created as well and no
 * {@link ZkNodeExistsException} is thrown in case the path already exists
 * @throws ZkInterruptedException if operation was interrupted, or a
 * required reconnection got interrupted
 * @throws IllegalArgumentException if called from anything except the
 * ZooKeeper event thread
 * @throws ZkException if any ZooKeeper exception occurred
 * @throws RuntimeException if any other exception occurs
 */
public String createPersistentSequential(String path, Object data, boolean createParents)
                                             throws ZkInterruptedException,
                                             IllegalArgumentException,
                                             ZkException,
                                             RuntimeException {
  try {
    return create(path, data, CreateMode.PERSISTENT_SEQUENTIAL);
  } catch (ZkNoNodeException e) {
    if (!createParents) {
      throw e;
    }
    String parentDir = path.substring(0, path.lastIndexOf('/'));
    createPersistent(parentDir, createParents);
    return createPersistentSequential(path, data, createParents);
  }
}

代码示例来源:origin: alibaba/canal

public Long addBatch(ClientIdentity clientIdentity, PositionRange positionRange) throws CanalMetaManagerException {
  String path = ZookeeperPathUtils.getBatchMarkPath(clientIdentity.getDestination(),
    clientIdentity.getClientId());
  byte[] data = JsonUtils.marshalToByte(positionRange, SerializerFeature.WriteClassName);
  String batchPath = zkClientx
    .createPersistentSequential(path + ZookeeperPathUtils.ZOOKEEPER_SEPARATOR, data, true);
  String batchIdString = StringUtils.substringAfterLast(batchPath, ZookeeperPathUtils.ZOOKEEPER_SEPARATOR);
  return ZookeeperPathUtils.getBatchMarkId(batchIdString);
}

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