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org.I0Itec.zkclient.ZkClient.subscribeStateChanges()方法的使用及代码示例

转载 作者:知者 更新时间:2024-03-17 12:40:40 27 4
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本文整理了Java中org.I0Itec.zkclient.ZkClient.subscribeStateChanges()方法的一些代码示例,展示了ZkClient.subscribeStateChanges()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。ZkClient.subscribeStateChanges()方法的具体详情如下:
包路径:org.I0Itec.zkclient.ZkClient
类名称:ZkClient
方法名:subscribeStateChanges

ZkClient.subscribeStateChanges介绍

暂无

代码示例

代码示例来源:origin: networknt/light-4j

@Override
public void subscribeStateChanges(IZkStateListener listener) {
  zkClient.subscribeStateChanges(listener);
}

代码示例来源:origin: apache/incubator-dubbo

public void addListener(IZkStateListener listener) {
  completableFuture.whenComplete((value, exception) -> {
    this.makeClientReady(value, exception);
    if (exception == null) {
      client.subscribeStateChanges(listener);
    }
  });
}

代码示例来源:origin: apache/incubator-dubbo

public void addListener(IZkStateListener listener) {
  completableFuture.whenComplete((value, exception) -> {
    this.makeClientReady(value, exception);
    if (exception == null) {
      client.subscribeStateChanges(listener);
    }
  });
}

代码示例来源:origin: weibocom/motan

public ZookeeperRegistry(URL url, ZkClient client) {
  super(url);
  this.zkClient = client;
  IZkStateListener zkStateListener = new IZkStateListener() {
    @Override
    public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
      // do nothing
    }
    @Override
    public void handleNewSession() throws Exception {
      LoggerUtil.info("zkRegistry get new session notify.");
      reconnectService();
      reconnectClient();
    }
  };
  zkClient.subscribeStateChanges(zkStateListener);
  ShutDownHook.registerShutdownHook(this);
}

代码示例来源:origin: ltsopensource/light-task-scheduler

public ZkClientZkClient(Config config) {
  String registryAddress = NodeRegistryUtils.getRealRegistryAddress(config.getRegistryAddress());
  zkClient = new ZkClient(registryAddress, connectionTimeout);
  zkClient.subscribeStateChanges(new IZkStateListener() {
    public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
      ZkClientZkClient.this.state = state;
      if (state == KeeperState.Disconnected) {
        stateChanged(StateListener.DISCONNECTED);
      } else if (state == KeeperState.SyncConnected) {
        stateChanged(StateListener.CONNECTED);
      } else if (state == KeeperState.Expired) {
        stateChanged(StateListener.DISCONNECTED);
      }
    }
    public void handleNewSession() throws Exception {
      stateChanged(StateListener.RECONNECTED);
    }
  });
}

代码示例来源:origin: ltsopensource/light-task-scheduler

public ZkClientZkClient(Config config) {
  String registryAddress = NodeRegistryUtils.getRealRegistryAddress(config.getRegistryAddress());
  zkClient = new ZkClient(registryAddress, connectionTimeout);
  zkClient.subscribeStateChanges(new IZkStateListener() {
    public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
      ZkClientZkClient.this.state = state;
      if (state == KeeperState.Disconnected) {
        stateChanged(StateListener.DISCONNECTED);
      } else if (state == KeeperState.SyncConnected) {
        stateChanged(StateListener.CONNECTED);
      } else if (state == KeeperState.Expired) {
        stateChanged(StateListener.DISCONNECTED);
      }
    }
    public void handleNewSession() throws Exception {
      stateChanged(StateListener.RECONNECTED);
    }
  });
}

代码示例来源:origin: javahongxi/whatsmars

public void addListener(IZkStateListener listener) {
  completableFuture.whenComplete((value, exception) -> {
    this.makeClientReady(value, exception);
    if (exception == null) {
      client.subscribeStateChanges(listener);
    }
  });
}

代码示例来源:origin: cris001/MyRepo

public ZookeeperRegistry(URL url, ZkClient zkClient) {
  super(url);
  this.zkClient = zkClient;
  IZkStateListener zkStateListener = new IZkStateListener() {
    @Override
    public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
      // do nothing
    }
    @Override
    public void handleNewSession() throws Exception {
      logger.info("zkRegistry get new session notify.");
    }
    @Override
    public void handleSessionEstablishmentError(Throwable throwable) throws Exception {
    }
  };
  this.zkClient.subscribeStateChanges(zkStateListener);
}

代码示例来源:origin: org.apache.dubbo/dubbo

public void addListener(IZkStateListener listener) {
  completableFuture.whenComplete((value, exception) -> {
    this.makeClientReady(value, exception);
    if (exception == null) {
      client.subscribeStateChanges(listener);
    }
  });
}

代码示例来源:origin: org.apache.dubbo/dubbo-remoting-zookeeper

public void addListener(IZkStateListener listener) {
  completableFuture.whenComplete((value, exception) -> {
    this.makeClientReady(value, exception);
    if (exception == null) {
      client.subscribeStateChanges(listener);
    }
  });
}

代码示例来源:origin: ezbz/projectx

@Override
public void registerListener(final String path, final LeaderElectionNodeListener listener) {
 zkClient.subscribeDataChanges(path, listener);
 zkClient.subscribeStateChanges(listener);
}

代码示例来源:origin: com.weibo/motan-registry-zookeeper

public ZookeeperRegistry(URL url, ZkClient client) {
  super(url);
  this.zkClient = client;
  IZkStateListener zkStateListener = new IZkStateListener() {
    @Override
    public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
      // do nothing
    }
    @Override
    public void handleNewSession() throws Exception {
      LoggerUtil.info("zkRegistry get new session notify.");
      reconnectService();
      reconnectClient();
    }
  };
  zkClient.subscribeStateChanges(zkStateListener);
  ShutDownHook.registerShutdownHook(this);
}

代码示例来源:origin: com.alibaba/dubbo

@Override
  public void run() {
    try {
      client = listenableFutureTask.get();
      client.subscribeStateChanges(listener);
    } catch (InterruptedException e) {
      logger.warn(Thread.currentThread().getName() + " was interrupted unexpectedly, which may cause unpredictable exception!");
    } catch (ExecutionException e) {
      logger.error("Got an exception when trying to create zkclient instance, can not connect to zookeeper server, please check!", e);
    }
  }
});

代码示例来源:origin: youtongluan/sumk

@Override
public void run() {
  zkUnRegister.run();
  ZkClient client = ZkClientHolder.getZkClient(zkUrl);
  String zkData = createZkRouteData();
  client.createEphemeral(path, zkData);
  client.subscribeStateChanges(stateListener);
  Log.get("sumk.rpc.zk").trace("server zk data:\n{}", zkData);
}

代码示例来源:origin: com.alibaba/dubbo-remoting-zookeeper

@Override
  public void run() {
    try {
      client = listenableFutureTask.get();
      client.subscribeStateChanges(listener);
    } catch (InterruptedException e) {
      logger.warn(Thread.currentThread().getName() + " was interrupted unexpectedly, which may cause unpredictable exception!");
    } catch (ExecutionException e) {
      logger.error("Got an exception when trying to create zkclient instance, can not connect to zookeeper server, please check!", e);
    }
  }
});

代码示例来源:origin: jobxhub/JobX

public ZkclientZookeeperClient(URL url) {
  super(url);
  client = new ZkClient(url.getBackupAddress(), Constants.ZK_CONNECTION_TIMEOUT);
  client.subscribeStateChanges(new IZkStateListener() {
    public void handleStateChanged(KeeperState state) throws Exception {
      ZkclientZookeeperClient.this.state = state;
      if (state == KeeperState.Disconnected) {
        stateChanged(StateListener.DISCONNECTED);
      } else if (state == KeeperState.SyncConnected) {
        stateChanged(StateListener.CONNECTED);
      }
    }
    public void handleNewSession() throws Exception {
      stateChanged(StateListener.RECONNECTED);
    }
    @Override
    public void handleSessionEstablishmentError(Throwable throwable) throws Exception {
    }
  });
}

代码示例来源:origin: com.github.ltsopensource/lts-core

public ZkClientZkClient(Config config) {
  String registryAddress = NodeRegistryUtils.getRealRegistryAddress(config.getRegistryAddress());
  zkClient = new ZkClient(registryAddress, connectionTimeout);
  zkClient.subscribeStateChanges(new IZkStateListener() {
    public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
      ZkClientZkClient.this.state = state;
      if (state == KeeperState.Disconnected) {
        stateChanged(StateListener.DISCONNECTED);
      } else if (state == KeeperState.SyncConnected) {
        stateChanged(StateListener.CONNECTED);
      } else if (state == KeeperState.Expired) {
        stateChanged(StateListener.DISCONNECTED);
      }
    }
    public void handleNewSession() throws Exception {
      stateChanged(StateListener.RECONNECTED);
    }
  });
}

代码示例来源:origin: org.apache.samza/samza-core

ZkJobCoordinator(Config config, MetricsRegistry metricsRegistry, ZkUtils zkUtils) {
 this.config = config;
 this.metrics = new ZkJobCoordinatorMetrics(metricsRegistry);
 this.processorId = createProcessorId(config);
 this.zkUtils = zkUtils;
 // setup a listener for a session state change
 // we are mostly interested in "session closed" and "new session created" events
 zkUtils.getZkClient().subscribeStateChanges(new ZkSessionStateChangedListener());
 leaderElector = new ZkLeaderElector(processorId, zkUtils);
 leaderElector.setLeaderElectorListener(new LeaderElectorListenerImpl());
 this.debounceTimeMs = new JobConfig(config).getDebounceTimeMs();
 this.reporters = MetricsReporterLoader.getMetricsReporters(new MetricsConfig(config), processorId);
 debounceTimer = new ScheduleAfterDebounceTime(processorId);
 debounceTimer.setScheduledTaskCallback(throwable -> {
   LOG.error("Received exception in debounce timer! Stopping the job coordinator", throwable);
   stop();
  });
 this.barrier =  new ZkBarrierForVersionUpgrade(zkUtils.getKeyBuilder().getJobModelVersionBarrierPrefix(), zkUtils, new ZkBarrierListenerImpl(), debounceTimer);
 systemAdmins = new SystemAdmins(config);
 streamMetadataCache = new StreamMetadataCache(systemAdmins, METADATA_CACHE_TTL_MS, SystemClock.instance());
}

代码示例来源:origin: org.apache.samza/samza-core_2.11

ZkJobCoordinator(Config config, MetricsRegistry metricsRegistry, ZkUtils zkUtils) {
 this.config = config;
 this.metrics = new ZkJobCoordinatorMetrics(metricsRegistry);
 this.processorId = createProcessorId(config);
 this.zkUtils = zkUtils;
 // setup a listener for a session state change
 // we are mostly interested in "session closed" and "new session created" events
 zkUtils.getZkClient().subscribeStateChanges(new ZkSessionStateChangedListener());
 leaderElector = new ZkLeaderElector(processorId, zkUtils);
 leaderElector.setLeaderElectorListener(new LeaderElectorListenerImpl());
 this.debounceTimeMs = new JobConfig(config).getDebounceTimeMs();
 this.reporters = MetricsReporterLoader.getMetricsReporters(new MetricsConfig(config), processorId);
 debounceTimer = new ScheduleAfterDebounceTime(processorId);
 debounceTimer.setScheduledTaskCallback(throwable -> {
   LOG.error("Received exception in debounce timer! Stopping the job coordinator", throwable);
   stop();
  });
 this.barrier =  new ZkBarrierForVersionUpgrade(zkUtils.getKeyBuilder().getJobModelVersionBarrierPrefix(), zkUtils, new ZkBarrierListenerImpl(), debounceTimer);
 systemAdmins = new SystemAdmins(config);
 streamMetadataCache = new StreamMetadataCache(systemAdmins, METADATA_CACHE_TTL_MS, SystemClock.instance());
}

代码示例来源:origin: apache/samza

ZkJobCoordinator(String processorId, Config config, MetricsRegistry metricsRegistry, ZkUtils zkUtils) {
 this.config = config;
 this.metrics = new ZkJobCoordinatorMetrics(metricsRegistry);
 this.zkSessionMetrics = new ZkSessionMetrics(metricsRegistry);
 this.processorId = processorId;
 this.zkUtils = zkUtils;
 // setup a listener for a session state change
 // we are mostly interested in "session closed" and "new session created" events
 zkUtils.getZkClient().subscribeStateChanges(new ZkSessionStateChangedListener());
 leaderElector = new ZkLeaderElector(processorId, zkUtils);
 leaderElector.setLeaderElectorListener(new LeaderElectorListenerImpl());
 this.debounceTimeMs = new JobConfig(config).getDebounceTimeMs();
 debounceTimer = new ScheduleAfterDebounceTime(processorId);
 debounceTimer.setScheduledTaskCallback(throwable -> {
   LOG.error("Received exception in debounce timer! Stopping the job coordinator", throwable);
   stop();
  });
 this.barrier =  new ZkBarrierForVersionUpgrade(zkUtils.getKeyBuilder().getJobModelVersionBarrierPrefix(), zkUtils, new ZkBarrierListenerImpl(), debounceTimer);
 systemAdmins = new SystemAdmins(config);
 streamMetadataCache = new StreamMetadataCache(systemAdmins, METADATA_CACHE_TTL_MS, SystemClock.instance());
 LocationIdProviderFactory locationIdProviderFactory = Util.getObj(new JobConfig(config).getLocationIdProviderFactory(), LocationIdProviderFactory.class);
 LocationIdProvider locationIdProvider = locationIdProviderFactory.getLocationIdProvider(config);
 this.locationId = locationIdProvider.getLocationId();
}

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