org.I0Itec.zkclient.IZkStateListener Java Exaples

Source File: ZkclientZookeeperClient.java From dubbo-2.6.5 with Apache License 2.0

6 votes

public ZkclientZookeeperClient(URL url) {
    super(url);
    client = new ZkClientWrapper(url.getBackupAddress(), 30000);
    client.addListener(new IZkStateListener() {
        @Override
        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);
            }
        }

        @Override
        public void handleNewSession() throws Exception {
            stateChanged(StateListener.RECONNECTED);
        }
    });
    client.start();
}

Source File: ZookeeperRegistry.java From mango with Apache License 2.0

6 votes

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);
}

Source File: ZkclientZookeeperClient.java From dubbox with Apache License 2.0

6 votes

public ZkclientZookeeperClient(URL url) {
	super(url);
	client = new ZkClient(
               url.getBackupAddress(),
               url.getParameter(Constants.SESSION_TIMEOUT_KEY, Constants.DEFAULT_SESSION_TIMEOUT),
               url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_REGISTRY_CONNECT_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);
		}
	});
}

Source File: ZkclientZookeeperClient.java From JobX with Apache License 2.0

6 votes

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 {

        }
    });
}

Source File: ZkClientRegisterCenter.java From elephant with Apache License 2.0

6 votes

@Override
public void init() {
	this.zkClient = new ZkClient(this.zkAddress, this.zkSessionTimeOut, this.zkConnectionTimeOut, new SerializableSerializer());
	initRootPath();
	this.zkClient.subscribeStateChanges(new IZkStateListener() {
		@Override
		public void handleStateChanged(KeeperState state) throws Exception {
			if(zkReconnectionListener != null && state.name().equals(KeeperState.SyncConnected.name())){
				zkReconnectionListener.handleStateForSyncConnected();
			}
		}
		@Override
		public void handleSessionEstablishmentError(Throwable error)throws Exception {
			log.error("处理会话建立错误:{}",error);
		}
		@Override
		public void handleNewSession() throws Exception {
			log.info("会话建立成功！");
		}
	});
}

Source File: ZkclientZookeeperClient.java From dubbox-hystrix with Apache License 2.0

6 votes

public ZkclientZookeeperClient(URL url) {
	super(url);
	client = new ZkClient(
               url.getBackupAddress(),
               url.getParameter(Constants.SESSION_TIMEOUT_KEY, Constants.DEFAULT_SESSION_TIMEOUT),
               url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_REGISTRY_CONNECT_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);
		}
	});
}

Source File: ZooKeeperRegistry.java From light-4j with Apache License 2.0

6 votes

public ZooKeeperRegistry(URL url, ZooKeeperClient client) {
    super(url);
    this.client = client;
    IZkStateListener zkStateListener = new IZkStateListener() {
        @Override
        public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
            // do nothing
        }

        @Override
        public void handleNewSession() throws Exception {
            if(logger.isInfoEnabled()) logger.info("zkRegistry get new session notify.");
            reconnectService();
        }
    };
    client.subscribeStateChanges(zkStateListener);
}

Source File: TaskStatusManager.java From DataLink with Apache License 2.0

6 votes

public TaskStatusManager(TaskStatusService taskStatusService) {
    this.taskStatusService = taskStatusService;
    this.taskStatusMap = new ConcurrentHashMap<>();
    this.zkStateListener = new IZkStateListener() {
        @Override
        public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
            logger.info("received handle state changed event.");
        }

        @Override
        public void handleNewSession() throws Exception {
            logger.info("received handle new session event.");
            reRegisterStatus();
        }

        @Override
        public void handleSessionEstablishmentError(Throwable error) throws Exception {
            logger.error("handleSessionEstablishmentError is : " + error);
        }
    };
}

Source File: ZclientChange.java From javabase with Apache License 2.0

6 votes

private static void test() {
    final ZkClient zkClient = new ZkClient("localhost:2181");

    zkClient.subscribeStateChanges(new IZkStateListener() {
        @Override
        public void handleStateChanged(Watcher.Event.KeeperState state) throws Exception {
            //当zookeeper被关闭时候 会触发这个事件
            if (state == Watcher.Event.KeeperState.Disconnected) {
              log.info("Disconnected");
            } else if (state == Watcher.Event.KeeperState.SyncConnected) {
                //  当zookeeper被重新连接的时候 会触发这个事件
                log.info("SyncConnected");
            }
        }
        @Override
        public void handleNewSession() throws Exception {
            log.info("handleNewSession");
        }

        @Override
        public void handleSessionEstablishmentError(Throwable error) throws Exception {
            log.info("handleSessionEstablishmentError");
        }
    });
}

Source File: ZkclientZookeeperClient.java From dubbox with Apache License 2.0

6 votes

public ZkclientZookeeperClient(URL url) {
	super(url);
	client = new ZkClient(
               url.getBackupAddress(),
               url.getParameter(Constants.SESSION_TIMEOUT_KEY, Constants.DEFAULT_SESSION_TIMEOUT),
               url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_REGISTRY_CONNECT_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);
		}
	});
}

Source File: ZkClientZkClient.java From light-task-scheduler with Apache License 2.0

6 votes

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);
        }
    });
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

5 votes

private void fireSessionEstablishmentError(final Throwable error) {
    for (final IZkStateListener stateListener : _stateListener) {
        _eventThread.send(new ZkEventThread.ZkEvent("Session establishment error(" + error + ") sent to " + stateListener) {

            @Override
            public void run() throws Exception {
                stateListener.handleSessionEstablishmentError(error);
            }
        });
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

5 votes

private void fireStateChangedEvent(final KeeperState state) {
    for (final IZkStateListener stateListener : _stateListener) {
        _eventThread.send(new ZkEventThread.ZkEvent("State changed to " + state + " sent to " + stateListener) {

            @Override
            public void run() throws Exception {
                stateListener.handleStateChanged(state);
            }
        });
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

5 votes

private void fireNewSessionEvents() {
    for (final IZkStateListener stateListener : _stateListener) {
        _eventThread.send(new ZkEventThread.ZkEvent("New session event sent to " + stateListener) {

            @Override
            public void run() throws Exception {
                stateListener.handleNewSession();
            }
        });
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

5 votes

private void fireNewSessionEvents() {
    for (final IZkStateListener stateListener : _stateListener) {
        _eventThread.send(new ZkEventThread.ZkEvent("New session event sent to " + stateListener) {

            @Override
            public void run() throws Exception {
                stateListener.handleNewSession();
            }
        });
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

5 votes

private void fireStateChangedEvent(final KeeperState state) {
    for (final IZkStateListener stateListener : _stateListener) {
        _eventThread.send(new ZkEventThread.ZkEvent("State changed to " + state + " sent to " + stateListener) {

            @Override
            public void run() throws Exception {
                stateListener.handleStateChanged(state);
            }
        });
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

5 votes

private void fireSessionEstablishmentError(final Throwable error) {
    for (final IZkStateListener stateListener : _stateListener) {
        _eventThread.send(new ZkEventThread.ZkEvent("Session establishment error(" + error + ") sent to " + stateListener) {

            @Override
            public void run() throws Exception {
                stateListener.handleSessionEstablishmentError(error);
            }
        });
    }
}

Source File: ZkclientZookeeperClient.java From dubbox with Apache License 2.0

5 votes

public ZkclientZookeeperClient(URL url) {
	super(url);
	client = new ZkClient(
               url.getBackupAddress(),
               url.getParameter(Constants.SESSION_TIMEOUT_KEY, Constants.DEFAULT_SESSION_TIMEOUT),
               url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_REGISTRY_CONNECT_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 error) throws Exception {
               //TODO list...
               logger.error("zookeeper connection error!", error);
               throw new Exception(error);
           }
	});
}

Source File: ZooKeeperClientImpl.java From light-4j with Apache License 2.0

4 votes

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

Source File: BrokerOffsetService.java From feeyo-redisproxy with BSD 3-Clause "New" or "Revised" License

4 votes

public void start() throws IOException {
	
	//
	if ( !running.compareAndSet(false, true) ) {
		return;
	}
	
	//
	String localIpPath = zkPathUtil.getClusterHostPath( localIp );
	initialize(  localIpPath  );
	
	 // 创建所有工作节点
	this.zkclientx.subscribeStateChanges(new IZkStateListener() {
		public void handleStateChanged(KeeperState state) throws Exception {}
		public void handleNewSession() throws Exception {
			initialize( path );
		}

		@Override
		public void handleSessionEstablishmentError(Throwable error) throws Exception {
			LOGGER.error("failed to connect to zookeeper", error);
		}
	});

	if (runningMonitor != null && !runningMonitor.isStart()) {
		runningMonitor.start();
	}
	
	
	// flush
	// 
	executorService.scheduleAtFixedRate(new Runnable() {
		@Override
		public void run() {
			try {
				if ( runningMonitor != null && runningMonitor.isMineRunning() && localAdmin != null ) {
					localAdmin.flushAll();
				}

			} catch (Exception e) {
				LOGGER.warn("offset flush err: ", e);
			}
		}
	}, 30, 30, TimeUnit.SECONDS);

}

Source File: CanalController.java From canal with Apache License 2.0

4 votes

public void start() throws Throwable {
    logger.info("## start the canal server[{}({}):{}]", ip, registerIp, port);
    // 创建整个canal的工作节点
    final String path = ZookeeperPathUtils.getCanalClusterNode(registerIp + ":" + port);
    initCid(path);
    if (zkclientx != null) {
        this.zkclientx.subscribeStateChanges(new IZkStateListener() {

            public void handleStateChanged(KeeperState state) throws Exception {

            }

            public void handleNewSession() throws Exception {
                initCid(path);
            }

            @Override
            public void handleSessionEstablishmentError(Throwable error) throws Exception {
                logger.error("failed to connect to zookeeper", error);
            }
        });
    }
    // 优先启动embeded服务
    embededCanalServer.start();
    // 尝试启动一下非lazy状态的通道
    for (Map.Entry<String, InstanceConfig> entry : instanceConfigs.entrySet()) {
        final String destination = entry.getKey();
        InstanceConfig config = entry.getValue();
        // 创建destination的工作节点
        if (!embededCanalServer.isStart(destination)) {
            // HA机制启动
            ServerRunningMonitor runningMonitor = ServerRunningMonitors.getRunningMonitor(destination);
            if (!config.getLazy() && !runningMonitor.isStart()) {
                runningMonitor.start();
            }
        }

        if (autoScan) {
            instanceConfigMonitors.get(config.getMode()).register(destination, defaultAction);
        }
    }

    if (autoScan) {
        instanceConfigMonitors.get(globalInstanceConfig.getMode()).start();
        for (InstanceConfigMonitor monitor : instanceConfigMonitors.values()) {
            if (!monitor.isStart()) {
                monitor.start();
            }
        }
    }

    // 启动网络接口
    if (canalServer != null) {
        canalServer.start();
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

4 votes

public void unsubscribeStateChanges(IZkStateListener stateListener) {
    synchronized (_stateListener) {
        _stateListener.remove(stateListener);
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

4 votes

public void subscribeStateChanges(final IZkStateListener listener) {
    synchronized (_stateListener) {
        _stateListener.add(listener);
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

4 votes

public ZkClient(String zkServers, int sessionTimeout, int connectionTimeout, ZkSerializer zkSerializer, IZkStateListener zkStateListener) {
    this(new ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer, -1, zkStateListener);
}

Source File: CanalController.java From canal-1.1.3 with Apache License 2.0

4 votes

public void start() throws Throwable {
    logger.info("## start the canal server[{}:{}]", ip, port);
    // 创建整个canal的工作节点
    final String path = ZookeeperPathUtils.getCanalClusterNode(ip + ":" + port);
    initCid(path);
    if (zkclientx != null) {
        this.zkclientx.subscribeStateChanges(new IZkStateListener() {

            public void handleStateChanged(KeeperState state) throws Exception {

            }

            public void handleNewSession() throws Exception {
                initCid(path);
            }

            @Override
            public void handleSessionEstablishmentError(Throwable error) throws Exception {
                logger.error("failed to connect to zookeeper", error);
            }
        });
    }
    // 优先启动embeded服务
    embededCanalServer.start();
    // 尝试启动一下非lazy状态的通道
    for (Map.Entry<String, InstanceConfig> entry : instanceConfigs.entrySet()) {
        final String destination = entry.getKey();
        InstanceConfig config = entry.getValue();
        // 创建destination的工作节点
        if (!embededCanalServer.isStart(destination)) {
            // HA机制启动
            ServerRunningMonitor runningMonitor = ServerRunningMonitors.getRunningMonitor(destination);
            if (!config.getLazy() && !runningMonitor.isStart()) {
                runningMonitor.start();
            }
        }

        if (autoScan) {
            instanceConfigMonitors.get(config.getMode()).register(destination, defaultAction);
        }
    }

    if (autoScan) {
        instanceConfigMonitors.get(globalInstanceConfig.getMode()).start();
        for (InstanceConfigMonitor monitor : instanceConfigMonitors.values()) {
            if (!monitor.isStart()) {
                monitor.start();
            }
        }
    }

    // 启动网络接口
    if (canalServer != null) {
        canalServer.start();
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

4 votes

public void unsubscribeStateChanges(IZkStateListener stateListener) {
    synchronized (_stateListener) {
        _stateListener.remove(stateListener);
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

4 votes

public void subscribeStateChanges(final IZkStateListener listener) {
    synchronized (_stateListener) {
        _stateListener.add(listener);
    }
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

4 votes

public ZkClient(String zkServers, int sessionTimeout, int connectionTimeout, ZkSerializer zkSerializer, IZkStateListener zkStateListener) {
    this(new ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer, -1, zkStateListener);
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

3 votes

/**
 *
 * @param zkConnection
 *            The Zookeeper servers
 * @param connectionTimeout
 *            The connection timeout in milli seconds
 * @param zkSerializer
 *            The Zookeeper data serializer
 * @param operationRetryTimeout
 *            Most operations done through this {@link org.I0Itec.zkclient.ZkClient} are retried in cases like
 *            connection loss with the Zookeeper servers. During such failures, this
 *            <code>operationRetryTimeout</code> decides the maximum amount of time, in milli seconds, each
 *            operation is retried. A value lesser than 0 is considered as
 *            "retry forever until a connection has been reestablished".
 */
public ZkClient(final IZkConnection zkConnection, final int connectionTimeout, final ZkSerializer zkSerializer, final long operationRetryTimeout, final IZkStateListener zkStateListener) {
    if (zkConnection == null) {
        throw new NullPointerException("Zookeeper connection is null!");
    }
    _connection = zkConnection;
    _zkSerializer = zkSerializer;
    _operationRetryTimeoutInMillis = operationRetryTimeout;
    _isZkSaslEnabled = isZkSaslEnabled();
    if(zkStateListener != null) {
        subscribeStateChanges(zkStateListener);
    }

    connect(connectionTimeout, this);
}

Source File: ZkClient.java From DDMQ with Apache License 2.0

3 votes

/**
 *
 * @param zkConnection
 *            The Zookeeper servers
 * @param connectionTimeout
 *            The connection timeout in milli seconds
 * @param zkSerializer
 *            The Zookeeper data serializer
 * @param operationRetryTimeout
 *            Most operations done through this {@link org.I0Itec.zkclient.ZkClient} are retried in cases like
 *            connection loss with the Zookeeper servers. During such failures, this
 *            <code>operationRetryTimeout</code> decides the maximum amount of time, in milli seconds, each
 *            operation is retried. A value lesser than 0 is considered as
 *            "retry forever until a connection has been reestablished".
 */
public ZkClient(final IZkConnection zkConnection, final int connectionTimeout, final ZkSerializer zkSerializer, final long operationRetryTimeout, final IZkStateListener zkStateListener) {
    if (zkConnection == null) {
        throw new NullPointerException("Zookeeper connection is null!");
    }
    _connection = zkConnection;
    _zkSerializer = zkSerializer;
    _operationRetryTimeoutInMillis = operationRetryTimeout;
    _isZkSaslEnabled = isZkSaslEnabled();
    if(zkStateListener != null) {
        subscribeStateChanges(zkStateListener);
    }

    connect(connectionTimeout, this);
}

org.I0Itec.zkclient.IZkStateListener Java Examples