本文整理了Java中com.alibaba.otter.canal.common.zookeeper.ZookeeperPathUtils.getDestinationServerRunning()方法的一些代码示例，展示了ZookeeperPathUtils.getDestinationServerRunning()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。ZookeeperPathUtils.getDestinationServerRunning()方法的具体详情如下：
包路径：com.alibaba.otter.canal.common.zookeeper.ZookeeperPathUtils
类名称：ZookeeperPathUtils
方法名：getDestinationServerRunning

ZookeeperPathUtils.getDestinationServerRunning介绍

[英]服务端当前正在提供服务的running节点
[中]服务端当前正在提供服务的跑步节点

代码示例

代码示例来源：origin: alibaba/canal

private boolean releaseRunning() {
  if (check()) {
    String path = ZookeeperPathUtils.getDestinationServerRunning(destination);
    zkClient.delete(path);
    mutex.set(false);
    processActiveExit();
    return true;
  }
  return false;
}

代码示例来源：origin: alibaba/canal

/**
 * 检查当前的状态
 */
public boolean check() {
  String path = ZookeeperPathUtils.getDestinationServerRunning(destination);
  try {
    byte[] bytes = zkClient.readData(path);
    ServerRunningData eventData = JsonUtils.unmarshalFromByte(bytes, ServerRunningData.class);
    activeData = eventData;// 更新下为最新值
    // 检查下nid是否为自己
    boolean result = isMine(activeData.getAddress());
    if (!result) {
      logger.warn("canal is running in node[{}] , but not in node[{}]",
        activeData.getCid(),
        serverData.getCid());
    }
    return result;
  } catch (ZkNoNodeException e) {
    logger.warn("canal is not run any in node");
    return false;
  } catch (ZkInterruptedException e) {
    logger.warn("canal check is interrupt");
    Thread.interrupted();// 清除interrupt标记
    return check();
  } catch (ZkException e) {
    logger.warn("canal check is failed");
    return false;
  }
}

代码示例来源：origin: alibaba/canal

public synchronized void stop() {
  super.stop();
  if (zkClient != null) {
    String path = ZookeeperPathUtils.getDestinationServerRunning(destination);
    zkClient.unsubscribeDataChanges(path, dataListener);
    releaseRunning(); // 尝试一下release
  } else {
    processActiveExit(); // 没有zk，直接启动
  }
  processStop();
}

代码示例来源：origin: alibaba/canal

public synchronized void start() {
  super.start();
  try {
    processStart();
    if (zkClient != null) {
      // 如果需要尽可能释放instance资源，不需要监听running节点，不然即使stop了这台机器，另一台机器立马会start
      String path = ZookeeperPathUtils.getDestinationServerRunning(destination);
      zkClient.subscribeDataChanges(path, dataListener);
      initRunning();
    } else {
      processActiveEnter();// 没有zk，直接启动
    }
  } catch (Exception e) {
    logger.error("start failed", e);
    // 没有正常启动，重置一下状态，避免干扰下一次start
    stop();
  }
}

代码示例来源：origin: alibaba/canal

public ClusterNodeAccessStrategy(String destination, ZkClientx zkClient){
  this.destination = destination;
  this.zkClient = zkClient;
  childListener = new IZkChildListener() {
    public void handleChildChange(String parentPath, List<String> currentChilds) throws Exception {
      initClusters(currentChilds);
    }
  };
  dataListener = new IZkDataListener() {
    public void handleDataDeleted(String dataPath) throws Exception {
      runningAddress = null;
    }
    public void handleDataChange(String dataPath, Object data) throws Exception {
      initRunning(data);
    }
  };
  String clusterPath = ZookeeperPathUtils.getDestinationClusterRoot(destination);
  this.zkClient.subscribeChildChanges(clusterPath, childListener);
  initClusters(this.zkClient.getChildren(clusterPath));
  String runningPath = ZookeeperPathUtils.getDestinationServerRunning(destination);
  this.zkClient.subscribeDataChanges(runningPath, dataListener);
  initRunning(this.zkClient.readData(runningPath, true));
}

代码示例来源：origin: alibaba/canal

private void initRunning() {
  if (!isStart()) {
    return;
  }
  String path = ZookeeperPathUtils.getDestinationServerRunning(destination);
  // 序列化
  byte[] bytes = JsonUtils.marshalToByte(serverData);
  try {
    mutex.set(false);
    zkClient.create(path, bytes, CreateMode.EPHEMERAL);
    activeData = serverData;
    processActiveEnter();// 触发一下事件
    mutex.set(true);
  } catch (ZkNodeExistsException e) {
    bytes = zkClient.readData(path, true);
    if (bytes == null) {// 如果不存在节点，立即尝试一次
      initRunning();
    } else {
      activeData = JsonUtils.unmarshalFromByte(bytes, ServerRunningData.class);
    }
  } catch (ZkNoNodeException e) {
    zkClient.createPersistent(ZookeeperPathUtils.getDestinationPath(destination), true); // 尝试创建父节点
    initRunning();
  }
}

代码示例来源：origin: com.alibaba.otter/canal.client

public ClusterNodeAccessStrategy(String destination, ZkClientx zkClient){
  this.zkClient = zkClient;
  childListener = new IZkChildListener() {
    public void handleChildChange(String parentPath, List<String> currentChilds) throws Exception {
      initClusters(currentChilds);
    }
  };
  dataListener = new IZkDataListener() {
    public void handleDataDeleted(String dataPath) throws Exception {
      runningAddress = null;
    }
    public void handleDataChange(String dataPath, Object data) throws Exception {
      initRunning(data);
    }
  };
  String clusterPath = ZookeeperPathUtils.getDestinationClusterRoot(destination);
  this.zkClient.subscribeChildChanges(clusterPath, childListener);
  initClusters(this.zkClient.getChildren(clusterPath));
  String runningPath = ZookeeperPathUtils.getDestinationServerRunning(destination);
  this.zkClient.subscribeDataChanges(runningPath, dataListener);
  initRunning(this.zkClient.readData(runningPath, true));
}