public void process(WatchedEvent event) {
LOGGER.debug(
"Watcher fired on path: "
+ event.getPath()
+ " state: "
+ event.getState()
+ " type "
+ event.getType());
latchIfNoChange.countDown();
// ignore any children except valid children for a queue
if (keyHandler.hasValidName(ZkUtils.getPathEnd(event.getPath()))) {
if (highestPriorityChanged == null) {
highestPriorityChanged = keyHandler.getPriority(event.getPath());
} else {
synchronized (highestPriorityChanged) {
PRIORITY changedPriority = keyHandler.getPriority(event.getPath());
if (changedPriority != null && changedPriority.compareTo(highestPriorityChanged) < 0) {
highestPriorityChanged = changedPriority;
}
}
}
}
}
@Override
public void process(WatchedEvent event) {
if (event.getType() == EventType.NodeDataChanged) {
String keyPath = event.getPath();
String key = keyPath.substring(keyPath.lastIndexOf("/") + 1);
String value = "";
try {
value = pigeonCache.getServiceValue(key);
} catch (LionException e) {
logger.error(e.getMessage(), e);
}
logger.info("Pigeon Cache Key Change! Key: " + key + " Value: " + value);
if (pigeonCache.getService().containsKey(key)) {
List<String[]> hostDetail = pigeonCache.getServiceIpPortWeight(value);
pigeonCache
.getServiceChange()
.onServiceHostChange(this.replaceServiceName(key), hostDetail);
}
} else {
// 重新监听节点信息
logger.info("Delete The Node " + event.getType() + " " + event.getPath());
String key = event.getPath().substring(event.getPath().lastIndexOf("/") + 1);
try {
pigeonCache.getServiceValue(key);
} catch (LionException e) {
logger.error(e.getMessage(), e);
}
}
}
@Override
public void process(WatchedEvent event) {
if (LOG.isDebugEnabled()) {
LOG.debug(
"Received Zookeeper Event, "
+ "type="
+ event.getType()
+ ", "
+ "state="
+ event.getState()
+ ", "
+ "path="
+ event.getPath());
}
switch (event.getType()) {
case None:
{
if (event.getState() == KeeperState.SyncConnected) {
latch.countDown();
}
}
case NodeCreated:
{
for (ZkListener listener : this.listeners) {
listener.nodeCreated(event.getPath());
}
break;
}
case NodeDeleted:
{
for (ZkListener listener : this.listeners) {
listener.nodeDeleted(event.getPath());
}
break;
}
case NodeDataChanged:
{
for (ZkListener listener : this.listeners) {
listener.nodeDataChanged(event.getPath());
}
break;
}
case NodeChildrenChanged:
{
for (ZkListener listener : this.listeners) {
listener.nodeChildrenChanged(event.getPath());
}
break;
}
}
}
public void process(WatchedEvent event) {
String path = event.getPath();
if (event.getType() == Event.EventType.None) {
// We are are being told that the state of the
// connection has changed
switch (event.getState()) {
case SyncConnected:
// In this particular example we don't need to do anything
// here - watches are automatically re-registered with
// server and any watches triggered while the client was
// disconnected will be delivered (in order of course)
break;
case Expired:
// It's all over
dead = true;
listener.closing(KeeperException.Code.SessionExpired);
break;
}
} else {
if (path != null && path.equals(znode)) {
// Something has changed on the node, let's find out
zk.exists(znode, true, this, null);
}
}
if (chainedWatcher != null) {
chainedWatcher.process(event);
}
}
public void process(WatchedEvent event) {
LOG.info("Event:" + event.getState() + " " + event.getType() + " " + event.getPath());
if (event.getState() == KeeperState.SyncConnected
&& startSignal != null
&& startSignal.getCount() > 0) {
startSignal.countDown();
}
}
@Override
public void process(WatchedEvent watchedEvent) {
Event.EventType type = watchedEvent.getType();
LOG.info("Got event " + type + " with path " + watchedEvent.getPath());
if (type.equals(Event.EventType.NodeDataChanged)) {
readReplicationStateZnode();
}
}
@Override
public void process(WatchedEvent event) {
if (event.getPath().equals(root + "/start") && event.getType() == Event.EventType.NodeCreated) {
System.out.println("得到通知");
super.process(event);
doAction();
}
}
@Override
public void process(WatchedEvent event) {
// Look for a NodeCreate event on /demo
if (event.getType() == Watcher.Event.EventType.NodeCreated) {
if (event.getPath().equals(NODE)) {
_sawDemo = true;
}
}
}
@Override
public void process(WatchedEvent event) {
LOG.debug("Received watched event {} from zookeeper based ledger manager.", event);
if (Event.EventType.None == event.getType()) {
if (Event.KeeperState.Expired == event.getState()) {
LOG.info("ZooKeeper client expired on ledger manager.");
Set<Long> keySet = new HashSet<Long>(listeners.keySet());
for (Long lid : keySet) {
scheduler.submit(new ReadLedgerMetadataTask(lid));
LOG.info("Re-read ledger metadata for {} after zookeeper session expired.", lid);
}
}
return;
}
String path = event.getPath();
if (null == path) {
return;
}
final long ledgerId;
try {
ledgerId = getLedgerId(event.getPath());
} catch (IOException ioe) {
LOG.info("Received invalid ledger path {} : ", event.getPath(), ioe);
return;
}
switch (event.getType()) {
case NodeDeleted:
Set<LedgerMetadataListener> listenerSet = listeners.remove(ledgerId);
if (null != listenerSet) {
LOG.debug("Removed ledger metadata listeners on ledger {} : {}", ledgerId, listenerSet);
} else {
LOG.debug(
"No ledger metadata listeners to remove from ledger {} after it's deleted.",
ledgerId);
}
break;
case NodeDataChanged:
new ReadLedgerMetadataTask(ledgerId).run();
break;
default:
LOG.debug("Received event {} on {}.", event.getType(), event.getPath());
break;
}
}
public void process(WatchedEvent event) {
if (event.getType() == Event.EventType.NodeChildrenChanged) {
LOG.debug("Running children changed [" + event.getPath() + "]");
try {
getZkRunning();
} catch (Exception e) {
e.printStackTrace();
LOG.error(e);
}
} else if (event.getType() == Event.EventType.NodeDeleted) {
String znodePath = event.getPath();
LOG.debug("Running znode deleted [" + znodePath + "]");
try {
restartServer(znodePath);
} catch (Exception e) {
e.printStackTrace();
LOG.error(e);
}
}
}
@Override
public void process(WatchedEvent event) {
log.debug("event " + event.getPath() + " " + event.getType() + " " + event.getState());
if (event.getState() == KeeperState.Expired) {
log.warn("Trace server lost zookeeper registration at " + event.getPath());
server.stop();
} else if (event.getType() == EventType.NodeDeleted) {
log.warn("Trace server zookeeper entry lost " + event.getPath());
server.stop();
}
if (event.getPath() != null) {
try {
if (ZooReaderWriter.getInstance().exists(event.getPath(), this)) return;
} catch (Exception ex) {
log.error(ex, ex);
}
log.warn("Trace server unable to reset watch on zookeeper registration");
server.stop();
}
}
@Override
public void process(WatchedEvent event) {
boolean needsRefresh = false;
if (event.getType() == Event.EventType.None
&& event.getState() == Event.KeeperState.SyncConnected) {
needsRefresh = true;
} else if (NodeChildrenChanged.equals(event.getType())
&& event.getPath().equals(REPOSITORY_COLLECTION_PATH)) {
needsRefresh = true;
} else if (NodeDataChanged.equals(event.getType())
&& event.getPath().startsWith(REPOSITORY_COLLECTION_PATH_SLASH)) {
needsRefresh = true;
}
if (needsRefresh) {
try {
refresh();
} catch (Throwable t) {
log.error("Repository Model: error handling event from ZooKeeper. Event: " + event, t);
}
}
}
@Override
public void process(WatchedEvent event) {
if (!asnycConnection && event.getState() == Event.KeeperState.SyncConnected) {
connectionLock.release(); // 连接成功
} else if (event.getState() == Event.KeeperState.Disconnected) { // 连接断开
log.warn("zookeeper 连接断开......");
} else if (event.getState() == Event.KeeperState.Expired) { // 连接超时
log.warn("zookeeper session timeout......");
try {
zkClient.reconnect();
process.relisten();
process.recreate();
} catch (Exception e) {
log.error("reconnection to zookeeper error.", e);
}
}
if (event.getType() == Event.EventType.NodeChildrenChanged) { // 子节点变化
process.clientNodeChanged(event.getPath());
} else if (event.getType() == Event.EventType.NodeDataChanged) { // 节点数据变化
process.nodeDataChanged(event.getPath());
}
}
public void process(WatchedEvent e) {
log.info(e.getPath());
// System.out.println(e.getPath() + " " + e.toString());
if (e.getState() == Watcher.Event.KeeperState.Expired) {
handleExpired();
} else if (e.getState() == Watcher.Event.KeeperState.Disconnected) {
log.warn("ZKDisconnected! {}", e.toString());
} else if (e.getState() == Watcher.Event.KeeperState.SyncConnected) {
log.warn("ZKSyncConnected! {}", e.toString());
ZKClient.this.handleSynConnected();
}
}
public synchronized void process(WatchedEvent event) {
logger.info(getClass().getName() + event.getPath());
logger.info(getClass().getName() + event.getType());
synchronized (mutex) {
switch (event.getState()) {
case SyncConnected:
mutex.notify();
}
switch (event.getType()) {
case NodeCreated:
mutex.notify();
break;
}
}
}
public void process(WatchedEvent event) {
// lets either become the leader or watch the new/updated node
LOG.debug(
"Watcher fired on path: "
+ event.getPath()
+ " state: "
+ event.getState()
+ " type "
+ event.getType());
try {
lock();
} catch (Exception e) {
LOG.warn("Failed to acquire lock: " + e, e);
}
}
/** Process the {@link WatchedEvent} for a node which represents an {@link AuthenticationKey} */
void processChildNode(WatchedEvent event) throws KeeperException, InterruptedException {
final String path = event.getPath();
switch (event.getType()) {
case NodeDeleted:
// Key expired
if (null == path) {
log.error("Got null path for NodeDeleted event");
return;
}
// Pull off the base ZK path and the '/' separator
String childName = path.substring(baseNode.length() + 1);
secretManager.removeKey(Integer.parseInt(childName));
break;
case None:
// Not connected, don't care. We'll update when we're reconnected
break;
case NodeCreated:
// New key created
if (null == path) {
log.error("Got null path for NodeCreated event");
return;
}
// Get the data and reset the watcher
AuthenticationKey key = deserializeKey(zk.getData(path, this, null));
log.debug("Adding AuthenticationKey with keyId {}", key.getKeyId());
secretManager.addKey(key);
break;
case NodeDataChanged:
// Key changed, could happen on restart after not running Accumulo.
if (null == path) {
log.error("Got null path for NodeDataChanged event");
return;
}
// Get the data and reset the watcher
AuthenticationKey newKey = deserializeKey(zk.getData(path, this, null));
// Will overwrite the old key if one exists
secretManager.addKey(newKey);
break;
case NodeChildrenChanged:
// no children for the children..
log.warn("Unexpected NodeChildrenChanged event for authentication key node {}", path);
break;
default:
log.warn("Unsupported event type: {}", event.getType());
break;
}
}
@Override
public void process(WatchedEvent event) {
if (EventType.None == event.getType()) {
switch (event.getState()) {
case Disconnected: // Intentional fall through of case
case Expired: // ZooReader is handling the Expiration of the original ZooKeeper object for
// us
log.debug("ZooKeeper connection disconnected, clearing secret manager");
secretManager.removeAllKeys();
break;
case SyncConnected:
log.debug("ZooKeeper reconnected, updating secret manager");
try {
updateAuthKeys();
} catch (KeeperException | InterruptedException e) {
log.error("Failed to update secret manager after ZooKeeper reconnect");
}
break;
default:
log.warn("Unhandled: " + event);
}
// Nothing more to do for EventType.None
return;
}
String path = event.getPath();
if (null == path) {
return;
}
if (!path.startsWith(baseNode)) {
log.info("Ignoring event for path: {}", path);
return;
}
try {
if (path.equals(baseNode)) {
processBaseNode(event);
} else {
processChildNode(event);
}
} catch (KeeperException | InterruptedException e) {
log.error("Failed to communicate with ZooKeeper", e);
}
}
@Override
public void process(WatchedEvent event) {
Event.EventType eventType = event.getType();
// None events are ignored
// If latchEventType is not null, only fire if the type matches
LOG.info(
"{} fired on path {} state {} latchEventType {}",
eventType,
event.getPath(),
event.getState(),
latchEventType);
if (eventType != Event.EventType.None
&& (latchEventType == null || eventType == latchEventType)) {
synchronized (lock) {
this.event = event;
lock.notifyAll();
}
}
}
@Override
public void process(WatchedEvent event) {
// session events are not change events, and do not remove the watcher
if (Event.EventType.None.equals(event.getType())) {
return;
}
// If latchEventType is not null, only fire if the type matches
LOG.debug(
"{} fired on path {} state {} latchEventType {}",
event.getType(),
event.getPath(),
event.getState(),
latchEventType);
if (latchEventType == null || event.getType() == latchEventType) {
synchronized (lock) {
this.event = event;
lock.notifyAll();
}
}
}
@Override
public void process(WatchedEvent event) {
// TODO Auto-generated method stub
System.out.println(event);
if (event.getState().equals(KeeperState.SyncConnected)) {
if (event.getType() == EventType.None && null == event.getPath()) {
doSomething(zookeeper);
} else {
// if(event.getType() == EventType.NodeChildrenChanged){
// try {
// List<String> subList = zookeeper.getChildren("/",
// false);/*一个watch只能使用一次，如果想再次使用则需要再次注册*/
// System.out.println(subList);
// } catch (KeeperException e) {
// e.printStackTrace();
// } catch (InterruptedException e) {
// e.printStackTrace();
// }
// }
}
}
}
/**
* Process the {@link WatchedEvent} for the base znode that the {@link AuthenticationKey}s are
* stored in.
*/
void processBaseNode(WatchedEvent event) throws KeeperException, InterruptedException {
switch (event.getType()) {
case NodeDeleted:
// The parent node was deleted, no children are possible, remove all keys
log.debug("Parent ZNode was deleted, removing all AuthenticationKeys");
secretManager.removeAllKeys();
break;
case None:
// Not connected, don't care
break;
case NodeCreated: // intentional fall-through to NodeChildrenChanged
case NodeChildrenChanged:
// Process each child, and reset the watcher on the parent node. We know that the node
// exists
updateAuthKeys(event.getPath());
break;
case NodeDataChanged:
// The data on the parent changed. We aren't storing anything there so it's a noop
break;
default:
log.warn("Unsupported event type: {}", event.getType());
break;
}
}
private void enode_test_2() throws IOException, InterruptedException, KeeperException {
checkRoot();
String parentName = testDirOnZK;
String nodeName = parentName + "/enode_abc";
ZooKeeper zk = new ZooKeeper(hostPort, 10000, this);
ZooKeeper zk_1 = new ZooKeeper(hostPort, 10000, this);
Stat stat = zk_1.exists(parentName, false);
if (stat == null) {
try {
zk.create(parentName, null, Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
} catch (KeeperException ke) {
fail("Creating node " + parentName + ke.getMessage());
}
}
stat = zk_1.exists(nodeName, false);
if (stat != null) {
try {
zk.delete(nodeName, -1);
} catch (KeeperException ke) {
int code = ke.getCode();
boolean valid =
code == KeeperException.Code.NoNode || code == KeeperException.Code.NotEmpty;
if (!valid) {
fail("Unexpected exception code for delete: " + ke.getMessage());
}
}
}
List<String> firstGen = zk_1.getChildren(parentName, true);
try {
zk.create(nodeName, null, Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL);
} catch (KeeperException ke) {
int code = ke.getCode();
boolean valid = code == KeeperException.Code.NodeExists;
if (!valid) {
fail("Unexpected exception code for createin: " + ke.getMessage());
}
}
Thread.sleep(5000);
WatchedEvent event = events.poll(10, TimeUnit.SECONDS);
if (event == null) {
throw new IOException("No event was delivered promptly");
}
if (event.getType() != EventType.NodeChildrenChanged
|| !event.getPath().equalsIgnoreCase(parentName)) {
fail("Unexpected event was delivered: " + event.toString());
}
stat = zk_1.exists(nodeName, false);
if (stat == null) {
fail("node " + nodeName + " should exist");
}
try {
zk.delete(parentName, -1);
fail("Should be impossible to delete a non-empty node " + parentName);
} catch (KeeperException ke) {
int code = ke.getCode();
boolean valid = code == KeeperException.Code.NotEmpty;
if (!valid) {
fail("Unexpected exception code for delete: " + code);
}
}
try {
zk.create(nodeName + "/def", null, Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL);
fail("Should be impossible to create child off Ephemeral node " + nodeName);
} catch (KeeperException ke) {
int code = ke.getCode();
boolean valid = code == KeeperException.Code.NoChildrenForEphemerals;
if (!valid) {
fail("Unexpected exception code for createin: " + code);
}
}
try {
List<String> children = zk.getChildren(nodeName, false);
if (children.size() > 0) {
fail("ephemeral node " + nodeName + " should not have children");
}
} catch (KeeperException ke) {
int code = ke.getCode();
boolean valid = code == KeeperException.Code.NoNode;
if (!valid) {
fail("Unexpected exception code for createin: " + code);
}
}
firstGen = zk_1.getChildren(parentName, true);
stat = zk_1.exists(nodeName, true);
if (stat == null) {
fail("node " + nodeName + " should exist");
}
System.out.println("session id of zk: " + zk.getSessionId());
System.out.println("session id of zk_1: " + zk_1.getSessionId());
zk.close();
stat = zk_1.exists("nosuchnode", false);
event = this.getEvent(10);
if (event == null) {
throw new AssertionFailedError("First event was not delivered promptly");
}
if (!((event.getType() == EventType.NodeChildrenChanged
&& event.getPath().equalsIgnoreCase(parentName))
|| (event.getType() == EventType.NodeDeleted
&& event.getPath().equalsIgnoreCase(nodeName)))) {
System.out.print(
parentName
+ " "
+ EventType.NodeChildrenChanged
+ " "
+ nodeName
+ " "
+ EventType.NodeDeleted);
fail("Unexpected first event was delivered: " + event.toString());
}
event = this.getEvent(10);
if (event == null) {
throw new AssertionFailedError("Second event was not delivered promptly");
}
if (!((event.getType() == EventType.NodeChildrenChanged
&& event.getPath().equalsIgnoreCase(parentName))
|| (event.getType() == EventType.NodeDeleted
&& event.getPath().equalsIgnoreCase(nodeName)))) {
System.out.print(
parentName
+ " "
+ EventType.NodeChildrenChanged
+ " "
+ nodeName
+ " "
+ EventType.NodeDeleted);
fail("Unexpected second event was delivered: " + event.toString());
}
firstGen = zk_1.getChildren(parentName, false);
stat = zk_1.exists(nodeName, false);
if (stat != null) {
fail("node " + nodeName + " should have been deleted");
}
if (firstGen.contains(nodeName)) {
fail("node " + nodeName + " should not be a children");
}
deleteZKDir(zk_1, nodeName);
zk_1.close();
}
@Override
public void process(WatchedEvent event) {
log.info("已经触发了" + event.getType() + "事件！");
String event_path = event.getPath();
ZooKeeper zookeeper = zkmanager.getZookeeper();
if (event.getType() == Event.EventType.NodeDataChanged) {
try {
if (!this.phpClientList.isEmpty()) {
for (PhpClientDO client : this.phpClientList) {
String baseConfigPath = client.getChildPath();
if (baseConfigPath.equals(event_path)) {
String app_db_name_path = client.getNodePath();
String db_config_name = client.getDbConfigName();
List<String> list = new ArrayList<String>();
byte[] bytes = new byte[0];
if (zookeeper.exists(baseConfigPath, false) != null) {
bytes = zookeeper.getData(baseConfigPath, true, null);
}
if (zookeeper.exists(app_db_name_path, false) != null) {
list = zookeeper.getChildren(app_db_name_path, true);
}
log.info("NodeDataChanged path is : " + event_path);
String str = FileUtil.listToString(list, bytes, db_config_name);
FileUtil.writeFile(client.getGenerateFilePath(), "<?php\n" + str);
}
}
}
} catch (KeeperException e) {
log.error(e.getMessage());
} catch (InterruptedException e) {
log.error(e.getMessage());
}
}
if (event.getType() == Event.EventType.NodeChildrenChanged) {
try {
if (!this.phpClientList.isEmpty()) {
for (PhpClientDO client : this.phpClientList) {
String app_db_name_path = client.getNodePath();
if (app_db_name_path.equals(event_path)) {
String baseConfigPath = client.getChildPath();
String db_config_name = client.getDbConfigName();
List<String> list = new ArrayList<String>();
byte[] bytes = new byte[0];
if (zookeeper.exists(baseConfigPath, false) != null) {
bytes = zookeeper.getData(baseConfigPath, true, null);
}
if (zookeeper.exists(app_db_name_path, false) != null) {
list = zookeeper.getChildren(app_db_name_path, true);
}
log.info("NodeChildrenChanged path is : " + event_path);
String str = FileUtil.listToString(list, bytes, db_config_name);
FileUtil.writeFile(client.getGenerateFilePath(), "<?php\n" + str);
}
}
}
} catch (KeeperException e) {
log.error(e.getMessage());
} catch (InterruptedException e) {
log.error(e.getMessage());
}
} else if (event.getState() == KeeperState.SyncConnected) {
log.info("收到ZK连接成功事件！");
} else if (event.getState() == KeeperState.Expired) {
log.error("会话超时，等待重新建立ZK连接...");
try {
zkmanager.reConnection();
if (!this.phpClientList.isEmpty()) {
for (PhpClientDO client : this.phpClientList) {
if (zookeeper.exists(client.getNodePath(), false) != null) {
this.zkmanager.getZookeeper().getChildren(client.getNodePath(), true);
}
if (zookeeper.exists(client.getChildPath(), false) != null) {
this.zkmanager.getZookeeper().getData(client.getChildPath(), true, null);
}
}
}
} catch (Exception e) {
log.error(e.getMessage());
}
}
}
@Override
public void process(WatchedEvent event) {
Event.EventType type = event.getType();
String path = event.getPath();
System.out.println("Path: " + path + ", Event type:" + type);
// set watch on workers
setWatchWorkers();
switch (type) {
case NodeDeleted:
try {
// Check if node deleted is from /tracker
if (path.contains(ZK_TRACKER)) {
String node = zooKeeper.getChildren(ZK_TRACKER, false).get(0);
// If primary is dead then I become primary
if (!zooKeeper
.getData(Joiner.on("/").join(ZK_TRACKER, node), false, null)
.equals("primary")) {
zooKeeper.setData(Joiner.on("/").join(ZK_TRACKER, node), "primary".getBytes(), -1);
zooKeeper.setData(
ZK_TRACKER,
Joiner.on(":")
.join(InetAddress.getLocalHost().getHostAddress(), myPort)
.getBytes(),
-1);
}
}
if (path.contains(ZK_WORKER)) {
List<String> currJobs = zooKeeper.getChildren(ZK_JOBS, false);
// /worker/<id>
String workerId = path.split("/")[2];
System.out.println("Dead worker id " + workerId);
for (String job : currJobs) {
while (true) {
String currData =
new String(zooKeeper.getData(Joiner.on("/").join(ZK_JOBS, job), false, null));
int currVersion =
zooKeeper.exists(Joiner.on("/").join(ZK_JOBS, job), false).getVersion();
System.out.println("Version curr" + currVersion);
// de-serialize
WorkerInfo workerInfo = gson.fromJson(currData, WorkerInfo.class);
HashMap<String, List<Integer>> newMap = workerInfo.getWorkerInfo();
List<Integer> deadWorkerList = newMap.get(workerId);
System.out.println("dead worker List" + deadWorkerList);
if (deadWorkerList == null) {
break;
}
// remove it from current info as its dead
newMap.remove(workerId);
List<String> currWorker = zooKeeper.getChildren(ZK_WORKER, false);
// Pick a worker ramdomly and assign the task to it by adding to its current task
// list
int rand = randGen.nextInt(currWorker.size());
List<Integer> newWorkerList = newMap.get(currWorker.get(rand));
if (newWorkerList == null) newWorkerList = deadWorkerList;
else newWorkerList.addAll(deadWorkerList);
newMap.put(currWorker.get(rand), newWorkerList);
WorkerInfo newWorkerInfo = new WorkerInfo(newMap, job);
// serialize
String newData = gson.toJson(newWorkerInfo);
// setdata on the znode /jobs/<hash>
try {
if (zooKeeper.setData(
Joiner.on("/").join(ZK_JOBS, job), newData.getBytes(), currVersion)
!= null) {
System.out.println(
"Update data for " + workerId + " on to " + currWorker.get(rand));
break;
}
} catch (KeeperException e) {
// Ignore
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
break;
}
}
@Override
public void process(WatchedEvent event) throws Exception {
if (event.getType() == Watcher.Event.EventType.NodeDataChanged) {
checkRevocableWatcher(event.getPath());
}
}