Uses of Class
org.apache.hadoop.hbase.zookeeper.ZKWatcher

Packages that use ZKWatcher

Package	Description
org.apache.hadoop.hbase
org.apache.hadoop.hbase.backup.example
org.apache.hadoop.hbase.coordination
org.apache.hadoop.hbase.master
org.apache.hadoop.hbase.master.cleaner
org.apache.hadoop.hbase.master.replication
org.apache.hadoop.hbase.procedure
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.replication	Multi Cluster Replication
org.apache.hadoop.hbase.replication.master
org.apache.hadoop.hbase.replication.regionserver
org.apache.hadoop.hbase.rsgroup
org.apache.hadoop.hbase.security.access
org.apache.hadoop.hbase.security.token
org.apache.hadoop.hbase.security.visibility
org.apache.hadoop.hbase.util
org.apache.hadoop.hbase.util.hbck
org.apache.hadoop.hbase.zookeeper

Uses of ZKWatcher in org.apache.hadoop.hbase

Methods in org.apache.hadoop.hbase that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	Server.getZooKeeper() Gets the ZooKeeper instance for this server.

Constructors in org.apache.hadoop.hbase with parameters of type ZKWatcher

Constructor and Description
ZKNamespaceManager(ZKWatcher zkw)

Uses of ZKWatcher in org.apache.hadoop.hbase.backup.example

Fields in org.apache.hadoop.hbase.backup.example declared as ZKWatcher

Modifier and Type	Field and Description
private ZKWatcher	HFileArchiveManager.zooKeeper

Methods in org.apache.hadoop.hbase.backup.example that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	TableHFileArchiveTracker.getZooKeeperWatcher()

Methods in org.apache.hadoop.hbase.backup.example with parameters of type ZKWatcher

Modifier and Type	Method and Description
private static TableHFileArchiveTracker	TableHFileArchiveTracker.create(ZKWatcher zkw, HFileArchiveTableMonitor monitor) Create an archive tracker with the special passed in table monitor.
private void	HFileArchiveManager.disable(ZKWatcher zooKeeper, byte[] table) Disable all archiving of files for a given table
private void	HFileArchiveManager.enable(ZKWatcher zooKeeper, byte[] table) Perform a best effort enable of hfile retention, which relies on zookeeper communicating the // * change back to the hfile cleaner.
static String	ZKTableArchiveClient.getArchiveZNode(org.apache.hadoop.conf.Configuration conf, ZKWatcher zooKeeper)

Constructors in org.apache.hadoop.hbase.backup.example with parameters of type ZKWatcher

Constructor and Description
TableHFileArchiveTracker(ZKWatcher watcher, HFileArchiveTableMonitor monitor)

Uses of ZKWatcher in org.apache.hadoop.hbase.coordination

Fields in org.apache.hadoop.hbase.coordination declared as ZKWatcher

Modifier and Type	Field and Description
protected ZKWatcher	ZkCoordinatedStateManager.watcher

Methods in org.apache.hadoop.hbase.coordination with parameters of type ZKWatcher

Modifier and Type	Method and Description
protected static int	ZkSplitLogWorkerCoordination.attemptToOwnTask(boolean isFirstTime, ZKWatcher zkw, ServerName server, String task, int taskZKVersion) Try to own the task by transitioning the zk node data from UNASSIGNED to OWNED.

Constructors in org.apache.hadoop.hbase.coordination with parameters of type ZKWatcher

Constructor and Description
ZKSplitLogManagerCoordination(org.apache.hadoop.conf.Configuration conf, ZKWatcher watcher)
ZkSplitLogWorkerCoordination(ServerName serverName, ZKWatcher watcher)

Uses of ZKWatcher in org.apache.hadoop.hbase.master

Methods in org.apache.hadoop.hbase.master that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	HMaster.getZooKeeper()

Methods in org.apache.hadoop.hbase.master with parameters of type ZKWatcher

Modifier and Type	Method and Description
private List<String>	ServerManager.getRegionServersInZK(ZKWatcher zkw)

Constructors in org.apache.hadoop.hbase.master with parameters of type ZKWatcher

Constructor and Description
ActiveMasterManager(ZKWatcher watcher, ServerName sn, Server master)
DrainingServerTracker(ZKWatcher watcher, Abortable abortable, ServerManager serverManager)
RegionServerTracker(ZKWatcher watcher, MasterServices server, ServerManager serverManager)
SplitOrMergeTracker(ZKWatcher watcher, org.apache.hadoop.conf.Configuration conf, Abortable abortable)
SwitchStateTracker(ZKWatcher watcher, String node, Abortable abortable)

Uses of ZKWatcher in org.apache.hadoop.hbase.master.cleaner

Fields in org.apache.hadoop.hbase.master.cleaner declared as ZKWatcher

Modifier and Type	Field and Description
private ZKWatcher	ReplicationZKNodeCleaner.zkw

Constructors in org.apache.hadoop.hbase.master.cleaner with parameters of type ZKWatcher

Constructor and Description
ReplicationQueueDeletor(ZKWatcher zk, org.apache.hadoop.conf.Configuration conf, Abortable abortable)
ReplicationZKNodeCleaner(org.apache.hadoop.conf.Configuration conf, ZKWatcher zkw, Abortable abortable)

Uses of ZKWatcher in org.apache.hadoop.hbase.master.replication

Fields in org.apache.hadoop.hbase.master.replication declared as ZKWatcher

Modifier and Type	Field and Description
private ZKWatcher	ReplicationManager.zkw

Constructors in org.apache.hadoop.hbase.master.replication with parameters of type ZKWatcher

Constructor and Description
ReplicationManager(org.apache.hadoop.conf.Configuration conf, ZKWatcher zkw, Abortable abortable)

Uses of ZKWatcher in org.apache.hadoop.hbase.procedure

Fields in org.apache.hadoop.hbase.procedure declared as ZKWatcher

Modifier and Type	Field and Description
(package private) ZKWatcher	ZKProcedureCoordinator.watcher

Methods in org.apache.hadoop.hbase.procedure that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	ZKProcedureUtil.getWatcher()

Constructors in org.apache.hadoop.hbase.procedure with parameters of type ZKWatcher

Constructor and Description
ZKProcedureCoordinator(ZKWatcher watcher, String procedureClass, String coordName)
ZKProcedureMemberRpcs(ZKWatcher watcher, String procType) Must call ZKProcedureMemberRpcs.start(String, ProcedureMember) before this can be used.
ZKProcedureUtil(ZKWatcher watcher, String procDescription) Top-level watcher/controller for procedures across the cluster.

Uses of ZKWatcher in org.apache.hadoop.hbase.regionserver

Fields in org.apache.hadoop.hbase.regionserver declared as ZKWatcher

Modifier and Type	Field and Description
protected ZKWatcher	HRegionServer.zooKeeper

Methods in org.apache.hadoop.hbase.regionserver that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	HRegionServer.getZooKeeper()

Methods in org.apache.hadoop.hbase.regionserver with parameters of type ZKWatcher

Modifier and Type	Method and Description
(package private) void	RSRpcServices.start(ZKWatcher zkWatcher)

Uses of ZKWatcher in org.apache.hadoop.hbase.replication

Fields in org.apache.hadoop.hbase.replication declared as ZKWatcher

Modifier and Type	Field and Description
private ZKWatcher	ReplicationQueuesArguments.zk
private ZKWatcher	HBaseReplicationEndpoint.zkw
protected ZKWatcher	ReplicationStateZKBase.zookeeper

Methods in org.apache.hadoop.hbase.replication that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	ReplicationQueuesArguments.getZk()
protected ZKWatcher	HBaseReplicationEndpoint.getZkw() Get the ZK connection to this peer

Methods in org.apache.hadoop.hbase.replication with parameters of type ZKWatcher

Modifier and Type	Method and Description
protected static List<ServerName>	HBaseReplicationEndpoint.fetchSlavesAddresses(ZKWatcher zkw) Get the list of all the region servers from the specified peer
static ReplicationPeers	ReplicationFactory.getReplicationPeers(ZKWatcher zk, org.apache.hadoop.conf.Configuration conf, Abortable abortable)
static ReplicationPeers	ReplicationFactory.getReplicationPeers(ZKWatcher zk, org.apache.hadoop.conf.Configuration conf, ReplicationQueuesClient queuesClient, Abortable abortable)
static ReplicationTracker	ReplicationFactory.getReplicationTracker(ZKWatcher zookeeper, ReplicationPeers replicationPeers, org.apache.hadoop.conf.Configuration conf, Abortable abortable, Stoppable stopper)
void	ReplicationQueuesArguments.setZk(ZKWatcher zk)

Constructors in org.apache.hadoop.hbase.replication with parameters of type ZKWatcher

Constructor and Description
OtherRegionServerWatcher(ZKWatcher watcher) Construct a ZooKeeper event listener.
PeerConfigTracker(String peerConfigNode, ZKWatcher watcher, Abortable abortable)
PeerStateTracker(String peerStateZNode, ZKWatcher watcher, Abortable abortable)
PeersWatcher(ZKWatcher watcher) Construct a ZooKeeper event listener.
ReplicationPeersZKImpl(ZKWatcher zk, org.apache.hadoop.conf.Configuration conf, ReplicationQueuesClient queuesClient, Abortable abortable)
ReplicationPeerZKImpl(ZKWatcher zkWatcher, org.apache.hadoop.conf.Configuration conf, String id, ReplicationPeerConfig peerConfig, Abortable abortable) Constructor that takes all the objects required to communicate with the specified peer, except for the region server addresses.
ReplicationQueuesArguments(org.apache.hadoop.conf.Configuration conf, Abortable abort, ZKWatcher zk)
ReplicationQueuesClientArguments(org.apache.hadoop.conf.Configuration conf, Abortable abort, ZKWatcher zk)
ReplicationQueuesClientZKImpl(ZKWatcher zk, org.apache.hadoop.conf.Configuration conf, Abortable abortable)
ReplicationQueuesZKImpl(ZKWatcher zk, org.apache.hadoop.conf.Configuration conf, Abortable abortable)
ReplicationStateZKBase(ZKWatcher zookeeper, org.apache.hadoop.conf.Configuration conf, Abortable abortable)
ReplicationTrackerZKImpl(ZKWatcher zookeeper, ReplicationPeers replicationPeers, org.apache.hadoop.conf.Configuration conf, Abortable abortable, Stoppable stopper)

Uses of ZKWatcher in org.apache.hadoop.hbase.replication.master

Fields in org.apache.hadoop.hbase.replication.master declared as ZKWatcher

Modifier and Type	Field and Description
private ZKWatcher	ReplicationHFileCleaner.zkw
private ZKWatcher	ReplicationLogCleaner.zkw

Methods in org.apache.hadoop.hbase.replication.master with parameters of type ZKWatcher

Modifier and Type	Method and Description
private void	ReplicationHFileCleaner.initReplicationQueuesClient(org.apache.hadoop.conf.Configuration conf, ZKWatcher zk)
void	ReplicationHFileCleaner.setConf(org.apache.hadoop.conf.Configuration conf, ZKWatcher zk)
void	ReplicationLogCleaner.setConf(org.apache.hadoop.conf.Configuration conf, ZKWatcher zk)
void	ReplicationLogCleaner.setConf(org.apache.hadoop.conf.Configuration conf, ZKWatcher zk, ReplicationQueuesClient replicationQueuesClient)

Constructors in org.apache.hadoop.hbase.replication.master with parameters of type ZKWatcher

Constructor and Description
ReplicationPeerConfigUpgrader(ZKWatcher zookeeper, org.apache.hadoop.conf.Configuration conf, Abortable abortable)

Uses of ZKWatcher in org.apache.hadoop.hbase.replication.regionserver

Fields in org.apache.hadoop.hbase.replication.regionserver declared as ZKWatcher

Modifier and Type	Field and Description
(package private) ZKWatcher	ReplicationSyncUp.DummyServer.zkw

Methods in org.apache.hadoop.hbase.replication.regionserver that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	ReplicationSyncUp.DummyServer.getZooKeeper()

Methods in org.apache.hadoop.hbase.replication.regionserver with parameters of type ZKWatcher

Modifier and Type	Method and Description
String	DumpReplicationQueues.dumpQueues(ClusterConnection connection, ZKWatcher zkw, Set<String> peerIds, boolean hdfs)

Constructors in org.apache.hadoop.hbase.replication.regionserver with parameters of type ZKWatcher

Constructor and Description
DummyServer(ZKWatcher zkw)

Uses of ZKWatcher in org.apache.hadoop.hbase.rsgroup

Fields in org.apache.hadoop.hbase.rsgroup declared as ZKWatcher

Modifier and Type	Field and Description
private ZKWatcher	RSGroupInfoManagerImpl.watcher

Uses of ZKWatcher in org.apache.hadoop.hbase.security.access

Fields in org.apache.hadoop.hbase.security.access with type parameters of type ZKWatcher

Modifier and Type	Field and Description
private static Map<ZKWatcher,TableAuthManager>	TableAuthManager.managerMap

Methods in org.apache.hadoop.hbase.security.access with parameters of type ZKWatcher

Modifier and Type	Method and Description
static TableAuthManager	TableAuthManager.getOrCreate(ZKWatcher watcher, org.apache.hadoop.conf.Configuration conf) Returns a TableAuthManager from the cache.

Constructors in org.apache.hadoop.hbase.security.access with parameters of type ZKWatcher

Constructor and Description
AccessChecker(org.apache.hadoop.conf.Configuration conf, ZKWatcher zkw) Constructor with existing configuration
TableAuthManager(ZKWatcher watcher, org.apache.hadoop.conf.Configuration conf)
ZKPermissionWatcher(ZKWatcher watcher, TableAuthManager authManager, org.apache.hadoop.conf.Configuration conf)

Uses of ZKWatcher in org.apache.hadoop.hbase.security.token

Constructors in org.apache.hadoop.hbase.security.token with parameters of type ZKWatcher

Constructor and Description
AuthenticationTokenSecretManager(org.apache.hadoop.conf.Configuration conf, ZKWatcher zk, String serverName, long keyUpdateInterval, long tokenMaxLifetime) Create a new secret manager instance for generating keys.
LeaderElector(ZKWatcher watcher, String serverName)
ZKSecretWatcher(org.apache.hadoop.conf.Configuration conf, ZKWatcher watcher, AuthenticationTokenSecretManager secretManager)

Uses of ZKWatcher in org.apache.hadoop.hbase.security.visibility

Methods in org.apache.hadoop.hbase.security.visibility with parameters of type ZKWatcher

Modifier and Type	Method and Description
static VisibilityLabelsCache	VisibilityLabelsCache.createAndGet(ZKWatcher watcher, org.apache.hadoop.conf.Configuration conf) Creates the singleton instance, if not yet present, and returns the same.

Constructors in org.apache.hadoop.hbase.security.visibility with parameters of type ZKWatcher

Constructor and Description
VisibilityLabelsCache(ZKWatcher watcher, org.apache.hadoop.conf.Configuration conf)
ZKVisibilityLabelWatcher(ZKWatcher watcher, VisibilityLabelsCache labelsCache, org.apache.hadoop.conf.Configuration conf)

Uses of ZKWatcher in org.apache.hadoop.hbase.util

Fields in org.apache.hadoop.hbase.util declared as ZKWatcher

Modifier and Type	Field and Description
private ZKWatcher	HBaseFsck.zkw

Methods in org.apache.hadoop.hbase.util that return ZKWatcher

Modifier and Type	Method and Description
private ZKWatcher	HBaseFsck.createZooKeeperWatcher()

Methods in org.apache.hadoop.hbase.util with parameters of type ZKWatcher

Modifier and Type	Method and Description
private static org.apache.hadoop.hbase.shaded.protobuf.generated.ZooKeeperProtos.DeprecatedTableState.State	ZKDataMigrator.getTableState(ZKWatcher zkw, TableName tableName) Deprecated. Since 2.0.0. To be removed in hbase-3.0.0.
static Map<TableName,TableState.State>	ZKDataMigrator.queryForTableStates(ZKWatcher zkw) Deprecated. Since 2.0.0. To be removed in hbase-3.0.0.

Uses of ZKWatcher in org.apache.hadoop.hbase.util.hbck

Constructors in org.apache.hadoop.hbase.util.hbck with parameters of type ZKWatcher

Constructor and Description
ReplicationChecker(org.apache.hadoop.conf.Configuration conf, ZKWatcher zkw, ClusterConnection connection, HbckErrorReporter errorReporter)

Uses of ZKWatcher in org.apache.hadoop.hbase.zookeeper

Fields in org.apache.hadoop.hbase.zookeeper declared as ZKWatcher

Modifier and Type	Field and Description
protected ZKWatcher	ZKListener.watcher
private ZKWatcher	ZKClusterId.watcher

Methods in org.apache.hadoop.hbase.zookeeper that return ZKWatcher

Modifier and Type	Method and Description
ZKWatcher	ZKListener.getWatcher()

Methods in org.apache.hadoop.hbase.zookeeper with parameters of type ZKWatcher

Modifier and Type	Method and Description
private static void	ZKUtil.appendHFileRefsZNodes(ZKWatcher zkw, String hFileRefsZNode, StringBuilder sb)
private static void	ZKUtil.appendPeerState(ZKWatcher zkw, String znodeToProcess, StringBuilder sb)
private static void	ZKUtil.appendPeersZnodes(ZKWatcher zkw, String peersZnode, StringBuilder sb)
private static void	ZKUtil.appendRSZnodes(ZKWatcher zkw, String znode, StringBuilder sb)
static void	ZKUtil.asyncCreate(ZKWatcher zkw, String znode, byte[] data, org.apache.zookeeper.AsyncCallback.StringCallback cb, Object ctx) Async creates the specified node with the specified data.
ServerName	MetaTableLocator.blockUntilAvailable(ZKWatcher zkw, int replicaId, long timeout) Wait until the meta region is available and is not in transition.
ServerName	MetaTableLocator.blockUntilAvailable(ZKWatcher zkw, long timeout) Wait until the meta region is available and is not in transition.
List<ServerName>	MetaTableLocator.blockUntilAvailable(ZKWatcher zkw, long timeout, org.apache.hadoop.conf.Configuration conf) Wait until the primary meta region is available.
static int	ZKUtil.checkExists(ZKWatcher zkw, String znode) Check if the specified node exists.
private static ArrayList<org.apache.zookeeper.data.ACL>	ZKUtil.createACL(ZKWatcher zkw, String node)
static ArrayList<org.apache.zookeeper.data.ACL>	ZKUtil.createACL(ZKWatcher zkw, String node, boolean isSecureZooKeeper)
static void	ZKUtil.createAndFailSilent(ZKWatcher zkw, String znode) Creates the specified node, iff the node does not exist.
static void	ZKUtil.createAndFailSilent(ZKWatcher zkw, String znode, byte[] data) Creates the specified node containing specified data, iff the node does not exist.
private static void	ZKUtil.createAndFailSilent(ZKWatcher zkw, ZKUtil.ZKUtilOp.CreateAndFailSilent cafs)
static int	ZKUtil.createAndWatch(ZKWatcher zkw, String znode, byte[] data) Creates the specified node with the specified data and watches it.
static boolean	ZKUtil.createEphemeralNodeAndWatch(ZKWatcher zkw, String znode, byte[] data) Set the specified znode to be an ephemeral node carrying the specified data.
static boolean	ZKUtil.createNodeIfNotExistsAndWatch(ZKWatcher zkw, String znode, byte[] data) Creates the specified znode to be a persistent node carrying the specified data.
static String	ZKUtil.createNodeIfNotExistsNoWatch(ZKWatcher zkw, String znode, byte[] data, org.apache.zookeeper.CreateMode createMode) Creates the specified znode with the specified data but does not watch it.
static void	ZKUtil.createSetData(ZKWatcher zkw, String znode, byte[] data) Set data into node creating node if it doesn't yet exist.
static void	ZKUtil.createWithParents(ZKWatcher zkw, String znode) Creates the specified node and all parent nodes required for it to exist.
static void	ZKUtil.createWithParents(ZKWatcher zkw, String znode, byte[] data) Creates the specified node and all parent nodes required for it to exist.
static void	ZKUtil.deleteChildrenRecursively(ZKWatcher zkw, String node) Delete all the children of the specified node but not the node itself.
static void	ZKUtil.deleteChildrenRecursivelyMultiOrSequential(ZKWatcher zkw, boolean runSequentialOnMultiFailure, String... pathRoots) Delete all the children of the specified node but not the node itself.
static boolean	MasterAddressTracker.deleteIfEquals(ZKWatcher zkw, String content) delete the master znode if its content is same as the parameter
void	MetaTableLocator.deleteMetaLocation(ZKWatcher zookeeper) Deletes the location of hbase:meta in ZooKeeper.
void	MetaTableLocator.deleteMetaLocation(ZKWatcher zookeeper, int replicaId)
static void	ZKUtil.deleteNode(ZKWatcher zkw, String node) Delete the specified node.
static boolean	ZKUtil.deleteNode(ZKWatcher zkw, String node, int version) Delete the specified node with the specified version.
static void	ZKUtil.deleteNodeFailSilent(ZKWatcher zkw, String node) Deletes the specified node.
private static void	ZKUtil.deleteNodeFailSilent(ZKWatcher zkw, ZKUtil.ZKUtilOp.DeleteNodeFailSilent dnfs)
static void	ZKUtil.deleteNodeRecursively(ZKWatcher zkw, String node) Delete the specified node and all of it's children.
static void	ZKUtil.deleteNodeRecursivelyMultiOrSequential(ZKWatcher zkw, boolean runSequentialOnMultiFailure, String... pathRoots) Delete the specified node and its children.
static String	ZKUtil.dump(ZKWatcher zkw)
static List<ZKUtil.NodeAndData>	ZKUtil.getChildDataAndWatchForNewChildren(ZKWatcher zkw, String baseNode) Deprecated. Unused
static byte[]	ZKUtil.getData(ZKWatcher zkw, String znode) Get znode data.
static byte[]	ZKUtil.getDataAndWatch(ZKWatcher zkw, String znode) Get the data at the specified znode and set a watch.
static byte[]	ZKUtil.getDataAndWatch(ZKWatcher zkw, String znode, org.apache.zookeeper.data.Stat stat) Get the data at the specified znode and set a watch.
private static byte[]	ZKUtil.getDataInternal(ZKWatcher zkw, String znode, org.apache.zookeeper.data.Stat stat, boolean watcherSet)
static byte[]	ZKUtil.getDataNoWatch(ZKWatcher zkw, String znode, org.apache.zookeeper.data.Stat stat) Get the data at the specified znode without setting a watch.
static String	ZKSplitLog.getEncodedNodeName(ZKWatcher zkw, String filename) Gets the full path node name for the log file being split.
static ServerName	MasterAddressTracker.getMasterAddress(ZKWatcher zkw) Get master address.
static int	MasterAddressTracker.getMasterInfoPort(ZKWatcher zkw) Get master info port.
ServerName	MetaTableLocator.getMetaRegionLocation(ZKWatcher zkw) Gets the meta region location, if available.
ServerName	MetaTableLocator.getMetaRegionLocation(ZKWatcher zkw, int replicaId) Gets the meta region location, if available.
List<RegionInfo>	MetaTableLocator.getMetaRegions(ZKWatcher zkw) Gets the meta regions for the given path with the default replica ID.
List<RegionInfo>	MetaTableLocator.getMetaRegions(ZKWatcher zkw, int replicaId) Gets the meta regions for the given path and replica ID.
List<Pair<RegionInfo,ServerName>>	MetaTableLocator.getMetaRegionsAndLocations(ZKWatcher zkw)
List<Pair<RegionInfo,ServerName>>	MetaTableLocator.getMetaRegionsAndLocations(ZKWatcher zkw, int replicaId) Gets the meta regions and their locations for the given path and replica ID.
static RegionState	MetaTableLocator.getMetaRegionState(ZKWatcher zkw) Load the meta region state from the meta server ZNode.
static RegionState	MetaTableLocator.getMetaRegionState(ZKWatcher zkw, int replicaId) Load the meta region state from the meta server ZNode.
private org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService.BlockingInterface	MetaTableLocator.getMetaServerConnection(ClusterConnection connection, ZKWatcher zkw, long timeout, int replicaId) Gets a connection to the server hosting meta, as reported by ZooKeeper, waiting up to the specified timeout for availability.
static int	ZKUtil.getNumberOfChildren(ZKWatcher zkw, String znode) Get the number of children of the specified node.
static String	ZKUtil.getReplicationZnodesDump(ZKWatcher zkw) Returns a string with replication znodes and position of the replication log
private static void	ZKUtil.getReplicationZnodesDump(ZKWatcher zkw, StringBuilder sb) Appends replication znodes to the passed StringBuilder.
static String	ZKSplitLog.getRescanNode(ZKWatcher zkw)
static UUID	ZKClusterId.getUUIDForCluster(ZKWatcher zkw) Get the UUID for the provided ZK watcher.
boolean	MetaTableLocator.isLocationAvailable(ZKWatcher zkw) Checks if the meta region location is available.
static boolean	ZKSplitLog.isRescanNode(ZKWatcher zkw, String path) Checks if the given path represents a rescan node.
static List<String>	ZKUtil.listChildrenAndWatchForNewChildren(ZKWatcher zkw, String znode) Lists the children znodes of the specified znode.
static List<String>	ZKUtil.listChildrenAndWatchThem(ZKWatcher zkw, String znode) List all the children of the specified znode, setting a watch for children changes and also setting a watch on every individual child in order to get the NodeCreated and NodeDeleted events.
private static List<String>	ZKUtil.listChildrenBFSAndWatchThem(ZKWatcher zkw, String znode) BFS Traversal of all the children under path, with the entries in the list, in the same order as that of the traversal.
private static List<String>	ZKUtil.listChildrenBFSNoWatch(ZKWatcher zkw, String znode) BFS Traversal of all the children under path, with the entries in the list, in the same order as that of the traversal.
static List<String>	ZKUtil.listChildrenNoWatch(ZKWatcher zkw, String znode) Lists the children of the specified znode without setting any watches.
private static void	ZKUtil.logRetrievedMsg(ZKWatcher zkw, String znode, byte[] data, boolean watcherSet)
static void	ZKUtil.logZKTree(ZKWatcher zkw, String root) Recursively print the current state of ZK (non-transactional)
private static void	ZKUtil.logZKTree(ZKWatcher zkw, String root, String prefix) Helper method to print the current state of the ZK tree.
static void	ZKUtil.multiOrSequential(ZKWatcher zkw, List<ZKUtil.ZKUtilOp> ops, boolean runSequentialOnMultiFailure) Use ZooKeeper's multi-update functionality.
static boolean	ZKUtil.nodeHasChildren(ZKWatcher zkw, String znode) Checks if the specified znode has any children.
private static void	ZKUtil.processSequentially(ZKWatcher zkw, List<ZKUtil.ZKUtilOp> ops)
static String	ZKClusterId.readClusterIdZNode(ZKWatcher watcher)
private static void	ZKAclReset.resetAcls(ZKWatcher zkw, String znode, boolean eraseAcls)
static void	ZKClusterId.setClusterId(ZKWatcher watcher, ClusterId id)
static void	ZKUtil.setData(ZKWatcher zkw, String znode, byte[] data) Sets the data of the existing znode to be the specified data.
static boolean	ZKUtil.setData(ZKWatcher zkw, String znode, byte[] data, int expectedVersion) Sets the data of the existing znode to be the specified data.
private static void	ZKUtil.setData(ZKWatcher zkw, ZKUtil.ZKUtilOp.SetData setData)
static boolean	MasterAddressTracker.setMasterAddress(ZKWatcher zkw, String znode, ServerName master, int infoPort) Set master address into the master znode or into the backup subdirectory of backup masters; switch off the passed in znode path.
static void	MetaTableLocator.setMetaLocation(ZKWatcher zookeeper, ServerName serverName, int replicaId, RegionState.State state) Sets the location of hbase:meta in ZooKeeper to the specified server address.
static void	MetaTableLocator.setMetaLocation(ZKWatcher zookeeper, ServerName serverName, RegionState.State state) Sets the location of hbase:meta in ZooKeeper to the specified server address.
static boolean	ZKUtil.setWatchIfNodeExists(ZKWatcher zkw, String znode) Watch the specified znode, but only if exists.
private static org.apache.zookeeper.Op	ZKUtil.toZooKeeperOp(ZKWatcher zkw, ZKUtil.ZKUtilOp op) Convert from ZKUtilOp to ZKOp
static void	ZKUtil.updateExistingNodeData(ZKWatcher zkw, String znode, byte[] data, int expectedVersion) Deprecated. Unused
boolean	MetaTableLocator.verifyMetaRegionLocation(ClusterConnection hConnection, ZKWatcher zkw, long timeout) Verify hbase:meta is deployed and accessible.
boolean	MetaTableLocator.verifyMetaRegionLocation(ClusterConnection connection, ZKWatcher zkw, long timeout, int replicaId) Verify hbase:meta is deployed and accessible.
void	MetaTableLocator.waitMetaRegionLocation(ZKWatcher zkw) Waits indefinitely for availability of hbase:meta.
ServerName	MetaTableLocator.waitMetaRegionLocation(ZKWatcher zkw, int replicaId, long timeout) Gets the meta region location, if available, and waits for up to the specified timeout if not immediately available.
ServerName	MetaTableLocator.waitMetaRegionLocation(ZKWatcher zkw, long timeout) Gets the meta region location, if available, and waits for up to the specified timeout if not immediately available.
static boolean	ZKUtil.watchAndCheckExists(ZKWatcher zkw, String znode) Watch the specified znode for delete/create/change events.

Constructors in org.apache.hadoop.hbase.zookeeper with parameters of type ZKWatcher

Constructor and Description
ClusterStatusTracker(ZKWatcher watcher, Abortable abortable) Creates a cluster status tracker.
DeletionListener(ZKWatcher zkWatcher, String pathToWatch, CountDownLatch deletedLatch) Create a new instance of the deletion watcher.
LoadBalancerTracker(ZKWatcher watcher, Abortable abortable)
MasterAddressTracker(ZKWatcher watcher, Abortable abortable) Construct a master address listener with the specified zookeeper reference.
MasterMaintenanceModeTracker(ZKWatcher watcher)
RegionNormalizerTracker(ZKWatcher watcher, Abortable abortable)
ZKClusterId(ZKWatcher watcher, Abortable abortable)
ZKLeaderManager(ZKWatcher watcher, String leaderZNode, byte[] identifier, Stoppable candidate) Deprecated.
ZKListener(ZKWatcher watcher) Construct a ZooKeeper event listener.
ZKNodeTracker(ZKWatcher watcher, String node, Abortable abortable) Constructs a new ZK node tracker.