Example usage for org.apache.zookeeper WatchedEvent getType

Introduction

In this page you can find the example usage for org.apache.zookeeper WatchedEvent getType.

Prototype

public EventType getType()

Source Link

Usage

From source file:com.navercorp.nbasearc.confmaster.server.watcher.WatchEventHandler.java

License:Apache License

@Override
public void process(WatchedEvent event) {
    Level logLevel = INFO;//from  w  ww  .j a v a2  s.  c  o m

    try {
        if (event.getType() == Event.EventType.NodeDeleted) {
            return;
        }

        lock(event.getPath());
        work(event);
    } catch (Exception e) {
        Logger.error("Handle watch event fail. {} {}", event.getPath(), event, e);

        logLevel = DEBUG;
    } finally {
        unlock();
    }

    Logger.flush(logLevel);
}

From source file:com.navercorp.nbasearc.confmaster.server.watcher.WatchEventHandler.java

License:Apache License

public void work(WatchedEvent event) {
    try {/*w ww  .  j a v a 2s. com*/
        switch (event.getType()) {
        case NodeDataChanged:
            onChangedEvent(event);
            break;
        case NodeChildrenChanged:
            onChildEvent(event);
            break;
        default:
            break;
        }
    } catch (Exception e) {
        Logger.error("Handle watch event fail. {}", event, e);
    }
}

From source file:com.navercorp.nbasearc.confmaster.server.WatchEventHandler.java

License:Apache License

@Override
public void process(WatchedEvent event) {
    if (event.getType() == Event.EventType.None) {
        Logger.info(event.toString());
        if (event.getState() == Watcher.Event.KeeperState.SyncConnected) {
            Logger.info("Connection to zookeeper is established. {}", event);
            Logger.flush(INFO);// ww  w . j a va2 s  .c om
            connWait.countDown();
        } else if (event.getState() == Watcher.Event.KeeperState.Expired) {
            Logger.info("ZooKeeper session expired, shutdown... {}", event);
            Logger.flush(DEBUG);
            System.exit(-1);
        } else {
            Logger.info("Connection to ZooKeeper state changed. {}", event);
            Logger.flush(INFO);
        }
    } else if (event.getType() == Event.EventType.NodeChildrenChanged
            || event.getType() == Event.EventType.NodeDataChanged) {
        processChildrenOrDataChangedEvent(event);
    }
}

From source file:com.navercorp.nbasearc.confmaster.server.WatchEventHandler.java

License:Apache License

public void processChildrenOrDataChangedEvent(WatchedEvent event) {
    Level logLevel = INFO;/*from   w ww .j a  v  a 2 s . c o m*/

    try {
        PathUtil.WatchTarget wt = PathUtil.getWatchType(event.getPath());
        if (wt == null) {
            return;
        }

        lock(wt, event);

        switch (event.getType()) {
        case NodeDataChanged:
            processChangedEvent(wt, event);
            break;
        case NodeChildrenChanged:
            processChildEvent(wt, event);
            break;
        default:
            break;
        }
    } catch (Exception e) {
        Logger.error("Handle watch event fail. {} {}", event.getPath(), event, e);

        logLevel = DEBUG;
    } finally {
        unlock();
    }

    Logger.flush(logLevel);
}

From source file:com.navercorp.pinpoint.common.server.cluster.zookeeper.CuratorZookeeperClientTest.java

License:Apache License

private void assertGetWatchedEvent(String path, String message) throws PinpointZookeeperException {
    boolean await = AWAIT_UTILS.await(new TestAwaitTaskUtils() {
        @Override/* www.  jav a 2 s  . c om*/
        public boolean checkCompleted() {
            return eventHoldingZookeeperEventWatcher.getLastWatchedEvent() != null;
        }
    });
    Assert.assertTrue(await);

    WatchedEvent lastWatchedEvent = eventHoldingZookeeperEventWatcher.getLastWatchedEvent();
    Assert.assertEquals(Watcher.Event.EventType.NodeDataChanged, lastWatchedEvent.getType());

    byte[] result = curatorZookeeperClient.getData(path);
    Assert.assertEquals(message, new String(result));
}

From source file:com.navercorp.pinpoint.common.server.cluster.zookeeper.CuratorZookeeperClientTest.java

License:Apache License

@Test
public void getChildrenTest() throws Exception {
    ZooKeeper zooKeeper = createZookeeper();
    try {//from  w  w  w  .java2 s. co m
        String testNodePath = createTestNodePath();

        ZKPaths.PathAndNode pathAndNode = ZKPaths.getPathAndNode(testNodePath);

        List<String> childrenNode = curatorZookeeperClient.getChildNodeList(pathAndNode.getPath(), true);
        Assert.assertTrue(childrenNode.isEmpty());

        zooKeeper.create(testNodePath, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL);

        boolean await = AWAIT_UTILS.await(new TestAwaitTaskUtils() {
            @Override
            public boolean checkCompleted() {
                return eventHoldingZookeeperEventWatcher.getLastWatchedEvent() != null;
            }
        });
        Assert.assertTrue(await);

        WatchedEvent lastWatchedEvent = eventHoldingZookeeperEventWatcher.getLastWatchedEvent();
        Assert.assertEquals(Watcher.Event.EventType.NodeChildrenChanged, lastWatchedEvent.getType());

        childrenNode = curatorZookeeperClient.getChildNodeList(pathAndNode.getPath(), false);
        Assert.assertTrue(!childrenNode.isEmpty());
    } finally {
        if (zooKeeper != null) {
            zooKeeper.close();
        }
    }
}

From source file:com.navercorp.pinpoint.flink.cluster.FlinkServerRegister.java

License:Apache License

@SuppressWarnings("deprecation")
@Override//from  w  w  w  .ja va2  s .c  o  m
public void process(WatchedEvent event) {
    logger.info("Handle Zookeeper Event({}) started.", event);

    KeeperState state = event.getState();
    EventType eventType = event.getType();
    String path = event.getPath();

    // when this happens, ephemeral node disappears
    // reconnects automatically, and process gets notified for all events
    boolean result = false;
    if (ZookeeperUtils.isDisconnectedEvent(event)) {
        result = handleDisconnected();
        if (state == KeeperState.Expired) {
            client.reconnectWhenSessionExpired();
        }
    } else if (state == KeeperState.SyncConnected || state == KeeperState.NoSyncConnected) {
        if (eventType == EventType.None) {
            result = handleConnected();
        } else if (eventType == EventType.NodeChildrenChanged) {
            logger.info("zookeeper Event occurs : NodeChildrenChanged event");
        } else if (eventType == EventType.NodeDeleted) {
            logger.info("zookeeper Event occurs : NodeDeleted");
        } else if (eventType == EventType.NodeDataChanged) {
            logger.info("zookeeper Event occurs : NodeDataChanged");
        }
    }

    if (result) {
        logger.info("Handle Zookeeper Event({}) completed.", event);
    } else {
        logger.info("Handle Zookeeper Event({}) failed.", event);
    }
}

From source file:com.navercorp.pinpoint.web.cluster.zookeeper.ZookeeperClusterManager.java

License:Apache License

@SuppressWarnings("deprecation")
@Override/*  w w w  .  j a  va  2s  . com*/
public void process(WatchedEvent event) {
    synchronized (initializeLock) {
        // wait for client variable to be assigned.
    }

    logger.info("Zookeeper Event({}) occurred.", event);

    KeeperState state = event.getState();
    EventType eventType = event.getType();
    String path = event.getPath();

    // when this happens, ephemeral node disappears
    // reconnects automatically, and process gets notified for all events
    boolean result = false;
    if (ZookeeperUtils.isDisconnectedEvent(event)) {
        result = handleDisconnected();
        if (state == KeeperState.Expired) {
            client.reconnectWhenSessionExpired();
        }
    } else if (state == KeeperState.SyncConnected || state == KeeperState.NoSyncConnected) {
        if (eventType == EventType.None) {
            result = handleConnected();
        } else if (eventType == EventType.NodeChildrenChanged) {
            result = handleNodeChildrenChanged(path);
        } else if (eventType == EventType.NodeDeleted) {
            result = handleNodeDeleted(path);
        } else if (eventType == EventType.NodeDataChanged) {
            result = handleNodeDataChanged(path);
        }
    }

    if (result) {
        logger.info("Zookeeper Event({}) succeeded.", event);
    } else {
        logger.info("Zookeeper Event({}) failed.", event);
    }
}

From source file:com.navercorp.redis.cluster.gateway.NodeWatcher.java

License:Apache License

/**
 * @param event//from w ww .ja v  a2 s  .co  m
 * @see org.apache.zookeeper.Watcher#process(org.apache.zookeeper.WatchedEvent)
 */
public void process(WatchedEvent event) {
    log.debug("[NodeWatcher] Zookeeper watched");
    log.info("[NodeWatcher] Event {type=" + event.getType() + ", state=" + event.getState() + ", path="
            + event.getPath() + "}");

    if (event.getType() == Event.EventType.None) {
        switch (event.getState()) {
        case SyncConnected:
            log.debug("[NodeWatcher] SyncConnected");
            this.connLatcher.countDown();
            break;
        default:

        }
    } else if (event.getType() == Event.EventType.NodeChildrenChanged) {
        log.debug("[NodeWatcher] NodeChildrenChanged");
        reloadGatewaylist();
        reloadGatewayAffinity();
    } else if (event.getType() == Event.EventType.NodeDataChanged) {
        log.debug("[NodeWatcher] NodeDataChanged");
        reloadGatewayAffinity();
    } else if (event.getType() == Event.EventType.NodeDeleted) {
        log.debug("[NodeWatcher] NodeDeleted");
    } else if (event.getType() == Event.EventType.NodeCreated) {
        log.debug("[NodeWatcher] NodeCreated");
    }
}

From source file:com.navercorp.redis.cluster.ZookeeperConTest.java

License:Apache License

/**
 * @param event/*ww w .  j  a  v a2 s . c  o  m*/
 * @see org.apache.zookeeper.Watcher#process(org.apache.zookeeper.WatchedEvent)
 */
public void process(WatchedEvent event) {
    log.info("[NodeWatcher] Event {type=" + event.getType() + ", state=" + event.getState() + ", path="
            + event.getPath() + "}");

    if (event.getType() == Event.EventType.None) {
        switch (event.getState()) {
        case SyncConnected:
            log.debug("SyncConnected");
            this.connLatcher.countDown();
            break;
        default:

        }
    }
}