Uses of Class
org.apache.hadoop.hbase.ServerName

Packages that use ServerName

Package	Description
org.apache.hadoop.hbase
org.apache.hadoop.hbase.catalog
org.apache.hadoop.hbase.client	Provides HBase Client
org.apache.hadoop.hbase.coprocessor	Table of Contents
org.apache.hadoop.hbase.exceptions
org.apache.hadoop.hbase.ipc	Tools to help define network clients and servers.
org.apache.hadoop.hbase.master
org.apache.hadoop.hbase.master.balancer
org.apache.hadoop.hbase.master.handler
org.apache.hadoop.hbase.master.snapshot
org.apache.hadoop.hbase.protobuf	Holds classes generated from protobuf src/main/protobuf definition files.
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.regionserver.handler
org.apache.hadoop.hbase.regionserver.wal
org.apache.hadoop.hbase.replication	Multi Cluster Replication
org.apache.hadoop.hbase.replication.regionserver
org.apache.hadoop.hbase.security.access
org.apache.hadoop.hbase.tmpl.master
org.apache.hadoop.hbase.util
org.apache.hadoop.hbase.zookeeper

Uses of ServerName in org.apache.hadoop.hbase

Fields in org.apache.hadoop.hbase with type parameters of type ServerName

Modifier and Type	Field and Description
static List<ServerName>	ServerName.EMPTY_SERVER_LIST

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

Modifier and Type	Method and Description
ServerName	ClusterStatus.getMaster() Returns detailed information about the current master ServerName.
ServerName	SplitLogTask.getServerName()
ServerName	RegionTransition.getServerName()
ServerName	Server.getServerName()
ServerName	HRegionLocation.getServerName()
static ServerName	HRegionInfo.getServerName(Result r) Returns a ServerName from catalog table Result.
static ServerName	ServerName.parseFrom(byte[] data) Get a ServerName from the passed in data bytes.
static ServerName	ServerName.parseServerName(String str)
static ServerName	ServerName.parseVersionedServerName(byte[] versionedBytes) Use this method instantiating a ServerName from bytes gotten from a call to getVersionedBytes().
static ServerName	ServerName.valueOf(String serverName) Retrieve an instance of ServerName.
static ServerName	ServerName.valueOf(String hostname, int port, long startcode) Retrieve an instance of ServerName.
static ServerName	ServerName.valueOf(String hostAndPort, long startCode) Retrieve an instance of ServerName.

Methods in org.apache.hadoop.hbase that return types with arguments of type ServerName

Modifier and Type	Method and Description
Collection<ServerName>	ClusterStatus.getBackupMasters()
Collection<ServerName>	ClusterStatus.getDeadServerNames()
static Pair<HRegionInfo,ServerName>	HRegionInfo.getHRegionInfoAndServerName(Result r) Extract a HRegionInfo and ServerName from catalog table Result.
Collection<ServerName>	ClusterStatus.getServerInfo() Deprecated. Use ClusterStatus.getServers()
Collection<ServerName>	ClusterStatus.getServers()

Methods in org.apache.hadoop.hbase with parameters of type ServerName

Modifier and Type	Method and Description
int	ServerName.compareTo(ServerName other)
static RegionTransition	RegionTransition.createRegionTransition(EventType type, byte[] regionName, ServerName sn)
static RegionTransition	RegionTransition.createRegionTransition(EventType type, byte[] regionName, ServerName sn, byte[] payload)
ServerLoad	ClusterStatus.getLoad(ServerName sn)
boolean	SplitLogTask.isDone(ServerName sn)
boolean	SplitLogTask.isErr(ServerName sn)
boolean	SplitLogTask.isOwned(ServerName sn)
boolean	SplitLogTask.isResigned(ServerName sn)
static boolean	ServerName.isSameHostnameAndPort(ServerName left, ServerName right)
boolean	SplitLogTask.isUnassigned(ServerName sn)

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

Constructor and Description
ClusterStatus(String hbaseVersion, String clusterid, Map<ServerName,ServerLoad> servers, Collection<ServerName> deadServers, ServerName master, Collection<ServerName> backupMasters, Map<String,RegionState> rit, String[] masterCoprocessors, Boolean balancerOn)
HRegionLocation(HRegionInfo regionInfo, ServerName serverName)
HRegionLocation(HRegionInfo regionInfo, ServerName serverName, long seqNum)
SplitLogTask.Done(ServerName originServer, ZooKeeperProtos.SplitLogTask.RecoveryMode mode)
SplitLogTask.Err(ServerName originServer, ZooKeeperProtos.SplitLogTask.RecoveryMode mode)
SplitLogTask.Owned(ServerName originServer, ZooKeeperProtos.SplitLogTask.RecoveryMode mode)
SplitLogTask.Resigned(ServerName originServer, ZooKeeperProtos.SplitLogTask.RecoveryMode mode)
SplitLogTask.Unassigned(ServerName originServer, ZooKeeperProtos.SplitLogTask.RecoveryMode mode)

Constructor parameters in org.apache.hadoop.hbase with type arguments of type ServerName

Constructor and Description
ClusterStatus(String hbaseVersion, String clusterid, Map<ServerName,ServerLoad> servers, Collection<ServerName> deadServers, ServerName master, Collection<ServerName> backupMasters, Map<String,RegionState> rit, String[] masterCoprocessors, Boolean balancerOn)
ClusterStatus(String hbaseVersion, String clusterid, Map<ServerName,ServerLoad> servers, Collection<ServerName> deadServers, ServerName master, Collection<ServerName> backupMasters, Map<String,RegionState> rit, String[] masterCoprocessors, Boolean balancerOn)
ClusterStatus(String hbaseVersion, String clusterid, Map<ServerName,ServerLoad> servers, Collection<ServerName> deadServers, ServerName master, Collection<ServerName> backupMasters, Map<String,RegionState> rit, String[] masterCoprocessors, Boolean balancerOn)

Uses of ServerName in org.apache.hadoop.hbase.catalog

Methods in org.apache.hadoop.hbase.catalog that return ServerName

Modifier and Type	Method and Description
ServerName	CatalogTracker.getMetaLocation() Gets the current location for hbase:meta or null if location is not currently available.
ServerName	CatalogTracker.waitForMeta(long timeout) Gets the current location for hbase:meta if available and waits for up to the specified timeout if not immediately available.

Methods in org.apache.hadoop.hbase.catalog that return types with arguments of type ServerName

Modifier and Type	Method and Description
static Map<HRegionInfo,ServerName>	MetaReader.fullScan(CatalogTracker catalogTracker, Set<TableName> disabledTables) Performs a full scan of hbase:meta, skipping regions from any tables in the specified set of disabled tables.
static Map<HRegionInfo,ServerName>	MetaReader.fullScan(CatalogTracker catalogTracker, Set<TableName> disabledTables, boolean excludeOfflinedSplitParents) Performs a full scan of hbase:meta, skipping regions from any tables in the specified set of disabled tables.
static Pair<HRegionInfo,ServerName>	MetaReader.getRegion(CatalogTracker catalogTracker, byte[] regionName) Gets the region info and assignment for the specified region.
static List<Pair<HRegionInfo,ServerName>>	MetaReader.getTableRegionsAndLocations(CatalogTracker catalogTracker, TableName tableName)
static List<Pair<HRegionInfo,ServerName>>	MetaReader.getTableRegionsAndLocations(CatalogTracker catalogTracker, TableName tableName, boolean excludeOfflinedSplitParents)

Methods in org.apache.hadoop.hbase.catalog with parameters of type ServerName

Modifier and Type	Method and Description
static void	MetaEditor.addDaughter(CatalogTracker catalogTracker, HRegionInfo regionInfo, ServerName sn, long openSeqNum) Adds a daughter region entry to meta.
static NavigableMap<HRegionInfo,Result>	MetaReader.getServerUserRegions(CatalogTracker catalogTracker, ServerName serverName)
static void	MetaEditor.mergeRegions(CatalogTracker catalogTracker, HRegionInfo mergedRegion, HRegionInfo regionA, HRegionInfo regionB, ServerName sn) Merge the two regions into one in an atomic operation.
static void	MetaEditor.splitRegion(CatalogTracker catalogTracker, HRegionInfo parent, HRegionInfo splitA, HRegionInfo splitB, ServerName sn) Splits the region into two in an atomic operation.
static void	MetaEditor.updateMetaLocation(CatalogTracker catalogTracker, HRegionInfo regionInfo, ServerName sn, long openSeqNum) Updates the location of the specified hbase:meta region in ROOT to be the specified server hostname and startcode.
static void	MetaEditor.updateRegionLocation(CatalogTracker catalogTracker, HRegionInfo regionInfo, ServerName sn, long updateSeqNum) Updates the location of the specified region in hbase:meta to be the specified server hostname and startcode.

Uses of ServerName in org.apache.hadoop.hbase.client

Methods in org.apache.hadoop.hbase.client that return types with arguments of type ServerName

Modifier and Type	Method and Description
static NavigableMap<HRegionInfo,ServerName>	MetaScanner.allTableRegions(org.apache.hadoop.conf.Configuration conf, HConnection connection, TableName tableName, boolean offlined) Lists all of the table regions currently in META.
NavigableMap<HRegionInfo,ServerName>	HTable.getRegionLocations() Gets all the regions and their address for this table.

Methods in org.apache.hadoop.hbase.client with parameters of type ServerName

Modifier and Type	Method and Description
void	HConnection.clearCaches(ServerName sn) Clear any caches that pertain to server name sn.
void	HConnectionManager.HConnectionImplementation.clearCaches(ServerName serverName)
void	HBaseAdmin.closeRegion(ServerName sn, HRegionInfo hri) Close a region.
AdminProtos.AdminService.BlockingInterface	HConnection.getAdmin(ServerName serverName) Establishes a connection to the region server at the specified address.
AdminProtos.AdminService.BlockingInterface	HConnectionManager.HConnectionImplementation.getAdmin(ServerName serverName)
AdminProtos.AdminService.BlockingInterface	HConnection.getAdmin(ServerName serverName, boolean getMaster) Deprecated. You can pass master flag but nothing special is done.
AdminProtos.AdminService.BlockingInterface	HConnectionManager.HConnectionImplementation.getAdmin(ServerName serverName, boolean master)
ClientProtos.ClientService.BlockingInterface	CoprocessorHConnection.getClient(ServerName serverName)
ClientProtos.ClientService.BlockingInterface	HConnection.getClient(ServerName serverName) Establishes a connection to the region server at the specified address, and returns a region client protocol.
ClientProtos.ClientService.BlockingInterface	HConnectionManager.HConnectionImplementation.getClient(ServerName sn)
List<HRegionInfo>	HBaseAdmin.getOnlineRegions(ServerName sn) Get all the online regions on a region server.
boolean	HConnection.isDeadServer(ServerName serverName)
boolean	HConnectionManager.HConnectionImplementation.isDeadServer(ServerName sn)

Uses of ServerName in org.apache.hadoop.hbase.coprocessor

Methods in org.apache.hadoop.hbase.coprocessor with parameters of type ServerName

Modifier and Type	Method and Description
void	BaseMasterAndRegionObserver.postMove(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo region, ServerName srcServer, ServerName destServer)
void	BaseMasterObserver.postMove(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo region, ServerName srcServer, ServerName destServer)
void	MasterObserver.postMove(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo region, ServerName srcServer, ServerName destServer) Called after the region move has been requested.
void	BaseMasterAndRegionObserver.preMove(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo region, ServerName srcServer, ServerName destServer)
void	BaseMasterObserver.preMove(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo region, ServerName srcServer, ServerName destServer)
void	MasterObserver.preMove(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo region, ServerName srcServer, ServerName destServer) Called prior to moving a given region from one region server to another.

Uses of ServerName in org.apache.hadoop.hbase.exceptions

Methods in org.apache.hadoop.hbase.exceptions that return ServerName

Modifier and Type	Method and Description
ServerName	RegionMovedException.getServerName()

Constructors in org.apache.hadoop.hbase.exceptions with parameters of type ServerName

Constructor and Description
RegionMovedException(ServerName serverName, long locationSeqNum)

Uses of ServerName in org.apache.hadoop.hbase.ipc

Methods in org.apache.hadoop.hbase.ipc with parameters of type ServerName

Modifier and Type	Method and Description
com.google.protobuf.BlockingRpcChannel	RpcClient.createBlockingRpcChannel(ServerName sn, User ticket, int rpcTimeout) Creates a "channel" that can be used by a blocking protobuf service.

Constructors in org.apache.hadoop.hbase.ipc with parameters of type ServerName

Constructor and Description
RpcClient.BlockingRpcChannelImplementation(RpcClient rpcClient, ServerName sn, User ticket, int rpcTimeout)

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

Fields in org.apache.hadoop.hbase.master declared as ServerName

Modifier and Type	Field and Description
static ServerName	AssignmentManager.HBCK_CODE_SERVERNAME

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

Modifier and Type	Method and Description
ServerName	RegionPlan.getDestination() Get the destination server for the plan for this region.
ServerName	RegionStates.getRegionServerOfRegion(HRegionInfo hri)
ServerName	HMaster.getServerName()
ServerName	RegionState.getServerName()
ServerName	RegionPlan.getSource() Get the source server for the plan for this region.
ServerName	LoadBalancer.randomAssignment(HRegionInfo regionInfo, List<ServerName> servers) Get a random region server from the list

Methods in org.apache.hadoop.hbase.master that return types with arguments of type ServerName

Modifier and Type	Method and Description
List<Pair<ServerName,Long>>	DeadServer.copyDeadServersSince(long ts) Extract all the servers dead since a given time, and sort them.
Set<ServerName>	DeadServer.copyServerNames()
List<ServerName>	ServerManager.createDestinationServersList() Calls ServerManager.createDestinationServersList(org.apache.hadoop.hbase.ServerName) without server to exclude.
List<ServerName>	ServerManager.createDestinationServersList(ServerName serverToExclude) Creates a list of possible destinations for a region.
protected List<ServerName>	ClusterStatusPublisher.generateDeadServersListToSend() Create the dead server to send.
protected Map<TableName,Map<ServerName,List<HRegionInfo>>>	RegionStates.getAssignmentsByTable() This is an EXPENSIVE clone.
protected List<Pair<ServerName,Long>>	ClusterStatusPublisher.getDeadServers(long since) Get the servers which died since a given timestamp.
List<ServerName>	ServerManager.getDrainingServersList()
static List<ServerName>	RegionPlacementMaintainer.getFavoredNodeList(String favoredNodesStr)
Map<ServerName,ServerLoad>	ServerManager.getOnlineServers()
List<ServerName>	ServerManager.getOnlineServersList()
Map<HRegionInfo,ServerName>	RegionStates.getRegionAssignments()
Map<ServerName,List<HRegionInfo>>	SnapshotOfRegionAssignmentFromMeta.getRegionServerToRegionMap() Get regionserver to region map
Map<HRegionInfo,ServerName>	SnapshotOfRegionAssignmentFromMeta.getRegionToRegionServerMap() Get region to region server map
Map<HRegionInfo,ServerName>	LoadBalancer.immediateAssignment(List<HRegionInfo> regions, List<ServerName> servers) Sync assign a region
Map<ServerName,List<HRegionInfo>>	LoadBalancer.retainAssignment(Map<HRegionInfo,ServerName> regions, List<ServerName> servers) Assign regions to the previously hosting region server
Map<ServerName,List<HRegionInfo>>	LoadBalancer.roundRobinAssignment(List<HRegionInfo> regions, List<ServerName> servers) Perform a Round Robin assignment of regions.

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

Modifier and Type	Method and Description
void	DeadServer.add(ServerName sn) Adds the server to the dead server list if it's not there already.
boolean	ServerManager.addServerToDrainList(ServerName sn)
void	DeadServer.cleanAllPreviousInstances(ServerName newServerName)
boolean	DeadServer.cleanPreviousInstance(ServerName newServerName) A dead server that comes back alive has a different start code.
List<ServerName>	ServerManager.createDestinationServersList(ServerName serverToExclude) Creates a list of possible destinations for a region.
RegionState	RegionStates.createRegionState(HRegionInfo hri, RegionState.State newState, ServerName serverName) Add a region to RegionStates with the specified state.
static TableLockManager	TableLockManager.createTableLockManager(org.apache.hadoop.conf.Configuration conf, ZooKeeperWatcher zkWatcher, ServerName serverName) Creates and returns a TableLockManager according to the configuration
void	AssignmentManager.deleteClosingOrClosedNode(HRegionInfo region, ServerName sn)
void	ServerManager.expireServer(ServerName serverName)
void	DeadServer.finish(ServerName sn)
SplitLogManager.TaskFinisher.Status	SplitLogManager.TaskFinisher.finish(ServerName workerName, String taskname) finish the partially done task.
ServerLoad	ServerManager.getLoad(ServerName serverName)
String	RackManager.getRack(ServerName server) Get the name of the rack containing a server, according to the DNS to switch mapping.
int	HMaster.getRegionServerInfoPort(ServerName sn)
Date	DeadServer.getTimeOfDeath(ServerName deadServerName) Get the time when a server died
boolean	AssignmentManager.isCarryingMeta(ServerName serverName)
boolean	DeadServer.isDeadServer(ServerName serverName)
boolean	RegionState.isOnServer(ServerName sn)
boolean	RegionState.isOpenOrMergingNewOnServer(ServerName sn)
boolean	RegionState.isOpenOrMergingOnServer(ServerName sn)
boolean	RegionState.isOpenOrSplittingNewOnServer(ServerName sn)
boolean	RegionState.isOpenOrSplittingOnServer(ServerName sn)
boolean	RegionState.isPendingCloseOrClosingOnServer(ServerName sn)
boolean	RegionState.isPendingOpenOrOpeningOnServer(ServerName sn)
boolean	ServerManager.isServerDead(ServerName serverName) Check if a server is known to be dead.
boolean	ServerManager.isServerOnline(ServerName serverName)
boolean	ServerManager.isServerReachable(ServerName server) Check if a region server is reachable and has the expected start code
void	RegionStates.logSplit(ServerName serverName) A dead server's hlogs have been split so that all the regions used to be open on it can be safely assigned now.
protected String	AssignmentManager.onRegionTransition(ServerName serverName, RegionServerStatusProtos.RegionTransition transition) Try to update some region states.
void	MasterCoprocessorHost.postMove(HRegionInfo region, ServerName srcServer, ServerName destServer)
boolean	MasterCoprocessorHost.preMove(HRegionInfo region, ServerName srcServer, ServerName destServer)
void	MasterFileSystem.prepareLogReplay(ServerName serverName, Set<HRegionInfo> regions) Mark regions in recovering state when distributedLogReplay are set true
void	ServerManager.processDeadServer(ServerName serverName)
void	ServerManager.processDeadServer(ServerName serverName, boolean shouldSplitHlog)
List<HRegionInfo>	AssignmentManager.processServerShutdown(ServerName sn) Process shutdown server removing any assignments.
void	RegionStates.regionOnline(HRegionInfo hri, ServerName serverName)
void	LoadBalancer.regionOnline(HRegionInfo regionInfo, ServerName sn) Marks the region as online at balancer.
void	RegionStates.regionOnline(HRegionInfo hri, ServerName serverName, long openSeqNum) A region is online, won't be in transition any more.
void	AssignmentListener.regionOpened(HRegionInfo regionInfo, ServerName serverName) The region was opened on the specified server.
boolean	ServerManager.removeServerFromDrainList(ServerName sn)
boolean	ServerManager.sendRegionClose(ServerName server, HRegionInfo region, int versionOfClosingNode)
boolean	ServerManager.sendRegionClose(ServerName server, HRegionInfo region, int versionOfClosingNode, ServerName dest, boolean transitionInZK) Sends an CLOSE RPC to the specified server to close the specified region.
RegionOpeningState	ServerManager.sendRegionOpen(ServerName server, HRegionInfo region, int versionOfOfflineNode, List<ServerName> favoredNodes) Sends an OPEN RPC to the specified server to open the specified region.
List<RegionOpeningState>	ServerManager.sendRegionOpen(ServerName server, List<Triple<HRegionInfo,Integer,List<ServerName>>> regionOpenInfos) Sends an OPEN RPC to the specified server to open the specified region.
void	ServerManager.sendRegionsMerge(ServerName server, HRegionInfo region_a, HRegionInfo region_b, boolean forcible) Sends an MERGE REGIONS RPC to the specified server to merge the specified regions.
void	ServerListener.serverAdded(ServerName serverName) The server has joined the cluster.
List<HRegionInfo>	RegionStates.serverOffline(ZooKeeperWatcher watcher, ServerName sn) A server is offline, all regions on it are dead.
void	ServerListener.serverRemoved(ServerName serverName) The server was removed from the cluster.
void	RegionPlan.setDestination(ServerName dest) Set the destination server for the plan for this region.
void	MasterFileSystem.splitLog(ServerName serverName)
void	MasterFileSystem.splitMetaLog(ServerName serverName) Specialized method to handle the splitting for meta HLog
void	AssignmentManager.unassign(HRegionInfo region, boolean force, ServerName dest) Unassigns the specified region.
RegionState	RegionStates.updateRegionState(HRegionInfo hri, RegionState.State state, ServerName serverName) Update a region state.

Method parameters in org.apache.hadoop.hbase.master with type arguments of type ServerName

Modifier and Type	Method and Description
void	AssignmentManager.assign(Map<HRegionInfo,ServerName> regions) Assigns specified regions retaining assignments, if any.
List<RegionPlan>	LoadBalancer.balanceCluster(Map<ServerName,List<HRegionInfo>> clusterState) Perform the major balance operation
Map<HRegionInfo,ServerName>	LoadBalancer.immediateAssignment(List<HRegionInfo> regions, List<ServerName> servers) Sync assign a region
void	MasterFileSystem.prepareLogReplay(Set<ServerName> serverNames) Mark regions in recovering state when distributedLogReplay are set true
ServerName	LoadBalancer.randomAssignment(HRegionInfo regionInfo, List<ServerName> servers) Get a random region server from the list
Map<ServerName,List<HRegionInfo>>	LoadBalancer.retainAssignment(Map<HRegionInfo,ServerName> regions, List<ServerName> servers) Assign regions to the previously hosting region server
Map<ServerName,List<HRegionInfo>>	LoadBalancer.retainAssignment(Map<HRegionInfo,ServerName> regions, List<ServerName> servers) Assign regions to the previously hosting region server
Map<ServerName,List<HRegionInfo>>	LoadBalancer.roundRobinAssignment(List<HRegionInfo> regions, List<ServerName> servers) Perform a Round Robin assignment of regions.
RegionOpeningState	ServerManager.sendRegionOpen(ServerName server, HRegionInfo region, int versionOfOfflineNode, List<ServerName> favoredNodes) Sends an OPEN RPC to the specified server to open the specified region.
List<RegionOpeningState>	ServerManager.sendRegionOpen(ServerName server, List<Triple<HRegionInfo,Integer,List<ServerName>>> regionOpenInfos) Sends an OPEN RPC to the specified server to open the specified region.
void	MasterFileSystem.splitLog(Set<ServerName> serverNames)
void	MasterFileSystem.splitLog(Set<ServerName> serverNames, org.apache.hadoop.fs.PathFilter filter) This method is the base split method that splits HLog files matching a filter.
long	SplitLogManager.splitLogDistributed(Set<ServerName> serverNames, List<org.apache.hadoop.fs.Path> logDirs, org.apache.hadoop.fs.PathFilter filter) The caller will block until all the hbase:meta log files of the given region server have been processed - successfully split or an error is encountered - by an available worker region server.
void	MasterFileSystem.splitMetaLog(Set<ServerName> serverNames) Specialized method to handle the splitting for meta HLog

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

Constructor and Description
RegionPlan(HRegionInfo hri, ServerName source, ServerName dest) Instantiate a plan for a region move, moving the specified region from the specified source server to the specified destination server.
RegionState(HRegionInfo region, RegionState.State state, long stamp, ServerName serverName)
RegionState(HRegionInfo region, RegionState.State state, ServerName serverName)
SplitLogManager(ZooKeeperWatcher zkw, org.apache.hadoop.conf.Configuration conf, Stoppable stopper, MasterServices master, ServerName serverName, boolean masterRecovery) Wrapper around SplitLogManager.SplitLogManager(ZooKeeperWatcher zkw, Configuration conf, Stoppable stopper, MasterServices master, ServerName serverName, boolean masterRecovery, TaskFinisher tf) that provides a task finisher for copying recovered edits to their final destination.
SplitLogManager(ZooKeeperWatcher zkw, org.apache.hadoop.conf.Configuration conf, Stoppable stopper, MasterServices master, ServerName serverName, boolean masterRecovery, SplitLogManager.TaskFinisher tf) Its OK to construct this object even when region-servers are not online.

Constructor parameters in org.apache.hadoop.hbase.master with type arguments of type ServerName

Constructor and Description
BulkReOpen(Server server, Map<ServerName,List<HRegionInfo>> serverToRegions, AssignmentManager am)
GeneralBulkAssigner(Server server, Map<ServerName,List<HRegionInfo>> bulkPlan, AssignmentManager am, boolean waitTillAllAssigned)

Uses of ServerName in org.apache.hadoop.hbase.master.balancer

Methods in org.apache.hadoop.hbase.master.balancer that return ServerName

Modifier and Type	Method and Description
static ServerName[]	FavoredNodeAssignmentHelper.getFavoredNodesList(byte[] favoredNodes)
ServerName	BaseLoadBalancer.randomAssignment(HRegionInfo regionInfo, List<ServerName> servers) Used to assign a single region to a random server.
ServerName	FavoredNodeLoadBalancer.randomAssignment(HRegionInfo regionInfo, List<ServerName> servers)

Methods in org.apache.hadoop.hbase.master.balancer that return types with arguments of type ServerName

Modifier and Type	Method and Description
Map<HRegionInfo,List<ServerName>>	FavoredNodesPlan.getAssignmentMap()
List<ServerName>	FavoredNodesPlan.getFavoredNodes(HRegionInfo region)
List<ServerName>	FavoredNodeLoadBalancer.getFavoredNodes(HRegionInfo regionInfo)
Map<HRegionInfo,ServerName>	BaseLoadBalancer.immediateAssignment(List<HRegionInfo> regions, List<ServerName> servers) Generates an immediate assignment plan to be used by a new master for regions in transition that do not have an already known destination.
Map<ServerName,List<HRegionInfo>>	BaseLoadBalancer.retainAssignment(Map<HRegionInfo,ServerName> regions, List<ServerName> servers) Generates a bulk assignment startup plan, attempting to reuse the existing assignment information from META, but adjusting for the specified list of available/online servers available for assignment.
Map<ServerName,List<HRegionInfo>>	BaseLoadBalancer.roundRobinAssignment(List<HRegionInfo> regions, List<ServerName> servers) Generates a bulk assignment plan to be used on cluster startup using a simple round-robin assignment.
Map<ServerName,List<HRegionInfo>>	FavoredNodeLoadBalancer.roundRobinAssignment(List<HRegionInfo> regions, List<ServerName> servers)

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

Modifier and Type	Method and Description
static FavoredNodesPlan.Position	FavoredNodesPlan.getFavoredServerPosition(List<ServerName> favoredNodes, ServerName server) Return the position of the server in the favoredNodes list.
void	BaseLoadBalancer.regionOnline(HRegionInfo regionInfo, ServerName sn)

Method parameters in org.apache.hadoop.hbase.master.balancer with type arguments of type ServerName

Modifier and Type	Method and Description
List<RegionPlan>	SimpleLoadBalancer.balanceCluster(Map<ServerName,List<HRegionInfo>> clusterMap) Generate a global load balancing plan according to the specified map of server information to the most loaded regions of each server.
List<RegionPlan>	StochasticLoadBalancer.balanceCluster(Map<ServerName,List<HRegionInfo>> clusterState) Given the cluster state this will try and approach an optimal balance.
List<RegionPlan>	FavoredNodeLoadBalancer.balanceCluster(Map<ServerName,List<HRegionInfo>> clusterState)
static byte[]	FavoredNodeAssignmentHelper.getFavoredNodes(List<ServerName> serverAddrList)
static String	FavoredNodeAssignmentHelper.getFavoredNodesAsString(List<ServerName> nodes)
static FavoredNodesPlan.Position	FavoredNodesPlan.getFavoredServerPosition(List<ServerName> favoredNodes, ServerName server) Return the position of the server in the favoredNodes list.
Map<HRegionInfo,ServerName>	BaseLoadBalancer.immediateAssignment(List<HRegionInfo> regions, List<ServerName> servers) Generates an immediate assignment plan to be used by a new master for regions in transition that do not have an already known destination.
Map<HRegionInfo,ServerName[]>	FavoredNodeAssignmentHelper.placeSecondaryAndTertiaryWithRestrictions(Map<HRegionInfo,ServerName> primaryRSMap) For regions that share the primary, avoid placing the secondary and tertiary on a same RS.
ServerName	BaseLoadBalancer.randomAssignment(HRegionInfo regionInfo, List<ServerName> servers) Used to assign a single region to a random server.
ServerName	FavoredNodeLoadBalancer.randomAssignment(HRegionInfo regionInfo, List<ServerName> servers)
Map<ServerName,List<HRegionInfo>>	BaseLoadBalancer.retainAssignment(Map<HRegionInfo,ServerName> regions, List<ServerName> servers) Generates a bulk assignment startup plan, attempting to reuse the existing assignment information from META, but adjusting for the specified list of available/online servers available for assignment.
Map<ServerName,List<HRegionInfo>>	BaseLoadBalancer.retainAssignment(Map<HRegionInfo,ServerName> regions, List<ServerName> servers) Generates a bulk assignment startup plan, attempting to reuse the existing assignment information from META, but adjusting for the specified list of available/online servers available for assignment.
Map<ServerName,List<HRegionInfo>>	BaseLoadBalancer.roundRobinAssignment(List<HRegionInfo> regions, List<ServerName> servers) Generates a bulk assignment plan to be used on cluster startup using a simple round-robin assignment.
Map<ServerName,List<HRegionInfo>>	FavoredNodeLoadBalancer.roundRobinAssignment(List<HRegionInfo> regions, List<ServerName> servers)
void	FavoredNodesPlan.updateAssignmentPlan(HRegionInfo region, List<ServerName> servers) Add an assignment to the plan
void	FavoredNodesPlan.updateFavoredNodesMap(HRegionInfo region, List<ServerName> servers) Add an assignment to the plan
static void	FavoredNodeAssignmentHelper.updateMetaWithFavoredNodesInfo(Map<HRegionInfo,List<ServerName>> regionToFavoredNodes, CatalogTracker catalogTracker) Update meta table with favored nodes info
static void	FavoredNodeAssignmentHelper.updateMetaWithFavoredNodesInfo(Map<HRegionInfo,List<ServerName>> regionToFavoredNodes, org.apache.hadoop.conf.Configuration conf) Update meta table with favored nodes info

Constructor parameters in org.apache.hadoop.hbase.master.balancer with type arguments of type ServerName

Constructor and Description
BaseLoadBalancer.Cluster(Map<ServerName,List<HRegionInfo>> clusterState, Map<String,Deque<RegionLoad>> loads, org.apache.hadoop.hbase.master.balancer.RegionLocationFinder regionFinder)
ClusterLoadState(Map<ServerName,List<HRegionInfo>> clusterState)
FavoredNodeAssignmentHelper(List<ServerName> servers, org.apache.hadoop.conf.Configuration conf)
FavoredNodeAssignmentHelper(List<ServerName> servers, RackManager rackManager)

Uses of ServerName in org.apache.hadoop.hbase.master.handler

Fields in org.apache.hadoop.hbase.master.handler declared as ServerName

Modifier and Type	Field and Description
protected ServerName	ServerShutdownHandler.serverName

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

Constructor and Description
LogReplayHandler(Server server, MasterServices services, DeadServer deadServers, ServerName serverName)
MetaServerShutdownHandler(Server server, MasterServices services, DeadServer deadServers, ServerName serverName)
OpenedRegionHandler(Server server, AssignmentManager assignmentManager, HRegionInfo regionInfo, ServerName sn, int expectedVersion)
ServerShutdownHandler(Server server, MasterServices services, DeadServer deadServers, ServerName serverName, boolean shouldSplitHlog)

Uses of ServerName in org.apache.hadoop.hbase.master.snapshot

Method parameters in org.apache.hadoop.hbase.master.snapshot with type arguments of type ServerName

Modifier and Type	Method and Description
protected void	EnabledTableSnapshotHandler.snapshotRegions(List<Pair<HRegionInfo,ServerName>> regions) This method kicks off a snapshot procedure.
protected abstract void	TakeSnapshotHandler.snapshotRegions(List<Pair<HRegionInfo,ServerName>> regions) Snapshot the specified regions
void	DisabledTableSnapshotHandler.snapshotRegions(List<Pair<HRegionInfo,ServerName>> regionsAndLocations)

Uses of ServerName in org.apache.hadoop.hbase.protobuf

Methods in org.apache.hadoop.hbase.protobuf that return ServerName

Modifier and Type	Method and Description
static ServerName	ProtobufUtil.toServerName(HBaseProtos.ServerName proto) Convert a protocol buffer ServerName to a ServerName

Methods in org.apache.hadoop.hbase.protobuf with parameters of type ServerName

Modifier and Type	Method and Description
static AdminProtos.CloseRegionRequest	RequestConverter.buildCloseRegionRequest(ServerName server, byte[] regionName, boolean transitionInZK) Create a CloseRegionRequest for a given region name
static AdminProtos.CloseRegionRequest	RequestConverter.buildCloseRegionRequest(ServerName server, byte[] regionName, int versionOfClosingNode, ServerName destinationServer, boolean transitionInZK)
static AdminProtos.CloseRegionRequest	RequestConverter.buildCloseRegionRequest(ServerName server, String encodedRegionName, boolean transitionInZK) Create a CloseRegionRequest for a given encoded region name
static AdminProtos.GetServerInfoResponse	ResponseConverter.buildGetServerInfoResponse(ServerName serverName, int webuiPort) A utility to build a GetServerInfoResponse.
static AdminProtos.OpenRegionRequest	RequestConverter.buildOpenRegionRequest(ServerName server, HRegionInfo region, int versionOfOfflineNode, List<ServerName> favoredNodes, Boolean openForReplay) Create a protocol buffer OpenRegionRequest for a given region
static AdminProtos.OpenRegionRequest	RequestConverter.buildOpenRegionRequest(ServerName server, List<Triple<HRegionInfo,Integer,List<ServerName>>> regionOpenInfos, Boolean openForReplay) Create a protocol buffer OpenRegionRequest to open a list of regions
static void	ProtobufUtil.closeRegion(AdminProtos.AdminService.BlockingInterface admin, ServerName server, byte[] regionName, boolean transitionInZK) A helper to close a region given a region name using admin protocol.
static boolean	ProtobufUtil.closeRegion(AdminProtos.AdminService.BlockingInterface admin, ServerName server, byte[] regionName, int versionOfClosingNode, ServerName destinationServer, boolean transitionInZK) A helper to close a region given a region name using admin protocol.
static void	ProtobufUtil.openRegion(AdminProtos.AdminService.BlockingInterface admin, ServerName server, HRegionInfo region) A helper to open a region using admin protocol.
static HBaseProtos.ServerName	ProtobufUtil.toServerName(ServerName serverName) Convert a ServerName to a protocol buffer ServerName

Method parameters in org.apache.hadoop.hbase.protobuf with type arguments of type ServerName

Modifier and Type	Method and Description
static AdminProtos.OpenRegionRequest	RequestConverter.buildOpenRegionRequest(ServerName server, HRegionInfo region, int versionOfOfflineNode, List<ServerName> favoredNodes, Boolean openForReplay) Create a protocol buffer OpenRegionRequest for a given region
static AdminProtos.OpenRegionRequest	RequestConverter.buildOpenRegionRequest(ServerName server, List<Triple<HRegionInfo,Integer,List<ServerName>>> regionOpenInfos, Boolean openForReplay) Create a protocol buffer OpenRegionRequest to open a list of regions
static AdminProtos.UpdateFavoredNodesRequest	RequestConverter.buildUpdateFavoredNodesRequest(List<Pair<HRegionInfo,List<ServerName>>> updateRegionInfos) Create a protocol buffer UpdateFavoredNodesRequest to update a list of favorednode mappings

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

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

Modifier and Type	Method and Description
ServerName	HRegionServer.getServerName()

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

Modifier and Type	Method and Description
Put	RegionMergeTransaction.addLocation(Put p, ServerName sn, long openSeqNum)
Put	SplitTransaction.addLocation(Put p, ServerName sn, long openSeqNum)
protected void	HRegionServer.addToMovedRegions(String encodedName, ServerName destination, long closeSeqNum)
protected static int	SplitLogWorker.attemptToOwnTask(boolean isFirstTime, ZooKeeperWatcher zkw, ServerName server, String task, ZooKeeperProtos.SplitLogTask.RecoveryMode mode, int taskZKVersion) Try to own the task by transitioning the zk node data from UNASSIGNED to OWNED.
protected boolean	HRegionServer.closeRegion(String encodedName, boolean abort, boolean zk, int versionOfClosingNode, ServerName sn) Close asynchronously a region, can be called from the master or internally by the regionserver when stopping.
static void	RegionMergeTransaction.createNodeMerging(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, HRegionInfo a, HRegionInfo b) Creates a new ephemeral node in the PENDING_MERGE state for the merged region.
static void	SplitTransaction.createNodeSplitting(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, HRegionInfo a, HRegionInfo b) Creates a new ephemeral node in the PENDING_SPLIT state for the specified region.
void	RegionMergeTransaction.prepareMutationsForMerge(HRegionInfo mergedRegion, HRegionInfo regionA, HRegionInfo regionB, ServerName serverName, List<Mutation> mutations)
boolean	HRegionServer.removeFromOnlineRegions(HRegion r, ServerName destination)
static int	RegionMergeTransaction.transitionMergingNode(ZooKeeperWatcher zkw, HRegionInfo merged, HRegionInfo a, HRegionInfo b, ServerName serverName, int znodeVersion, EventType beginState, EventType endState) Transitions an existing ephemeral node for the specified region which is currently in the begin state to be in the end state.
static int	SplitTransaction.transitionSplittingNode(ZooKeeperWatcher zkw, HRegionInfo parent, HRegionInfo a, HRegionInfo b, ServerName serverName, int znodeVersion, EventType beginState, EventType endState) Transitions an existing ephemeral node for the specified region which is currently in the begin state to be in the end state.

Uses of ServerName in org.apache.hadoop.hbase.regionserver.handler

Constructors in org.apache.hadoop.hbase.regionserver.handler with parameters of type ServerName

Constructor and Description
CloseRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, boolean abort, boolean zk, int versionOfClosingNode, EventType eventType, ServerName destination)
CloseRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, boolean abort, boolean zk, int versionOfClosingNode, ServerName destination)

Uses of ServerName in org.apache.hadoop.hbase.regionserver.wal

Methods in org.apache.hadoop.hbase.regionserver.wal that return ServerName

Modifier and Type	Method and Description
static ServerName	HLogUtil.getServerNameFromHLogDirectoryName(org.apache.hadoop.conf.Configuration conf, String path)
static ServerName	HLogUtil.getServerNameFromHLogDirectoryName(org.apache.hadoop.fs.Path logFile) This function returns region server name from a log file name which is in either format: hdfs:///hbase/.logs/-splitting/...

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

Methods in org.apache.hadoop.hbase.replication that return types with arguments of type ServerName

Modifier and Type	Method and Description
List<ServerName>	ReplicationPeer.getRegionServers() Get a list of all the addresses of all the region servers for this peer cluster
List<ServerName>	ReplicationPeersZKImpl.getRegionServersOfConnectedPeer(String peerId)
List<ServerName>	ReplicationPeers.getRegionServersOfConnectedPeer(String peerId) Returns all region servers from given connected remote slave cluster.

Method parameters in org.apache.hadoop.hbase.replication with type arguments of type ServerName

Modifier and Type	Method and Description
void	ReplicationPeer.setRegionServers(List<ServerName> regionServers) Set the list of region servers for that peer

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

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

Constructor and Description
ReplicationSinkManager.SinkPeer(ServerName serverName, AdminProtos.AdminService.BlockingInterface regionServer)

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

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

Modifier and Type	Method and Description
void	AccessController.preMove(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo region, ServerName srcServer, ServerName destServer)

Uses of ServerName in org.apache.hadoop.hbase.tmpl.master

Fields in org.apache.hadoop.hbase.tmpl.master declared as ServerName

Modifier and Type	Field and Description
protected ServerName	MasterStatusTmpl.metaLocation

Fields in org.apache.hadoop.hbase.tmpl.master with type parameters of type ServerName

Modifier and Type	Field and Description
protected Set<ServerName>	MasterStatusTmpl.deadServers
protected List<ServerName>	RegionServerListTmpl.servers
protected List<ServerName>	MasterStatusTmpl.servers

Methods in org.apache.hadoop.hbase.tmpl.master that return ServerName

Modifier and Type	Method and Description
ServerName	MasterStatusTmpl.ImplData.getMetaLocation()

Methods in org.apache.hadoop.hbase.tmpl.master that return types with arguments of type ServerName

Modifier and Type	Method and Description
Set<ServerName>	MasterStatusTmpl.ImplData.getDeadServers()
List<ServerName>	RegionServerListTmpl.ImplData.getServers()
List<ServerName>	MasterStatusTmpl.ImplData.getServers()

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

Modifier and Type	Method and Description
MasterStatusTmpl	MasterStatusTmpl.setMetaLocation(ServerName p_metaLocation)
void	MasterStatusTmpl.ImplData.setMetaLocation(ServerName metaLocation)

Method parameters in org.apache.hadoop.hbase.tmpl.master with type arguments of type ServerName

Modifier and Type	Method and Description
MasterStatusTmpl	MasterStatusTmpl.setDeadServers(Set<ServerName> p_deadServers)
void	MasterStatusTmpl.ImplData.setDeadServers(Set<ServerName> deadServers)
RegionServerListTmpl	RegionServerListTmpl.setServers(List<ServerName> p_servers)
void	RegionServerListTmpl.ImplData.setServers(List<ServerName> servers)
MasterStatusTmpl	MasterStatusTmpl.setServers(List<ServerName> p_servers)
void	MasterStatusTmpl.ImplData.setServers(List<ServerName> servers)

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

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

Modifier and Type	Method and Description
void	HBaseFsck.HbckInfo.addServer(HRegionInfo hri, ServerName server)
void	HBaseFsck.TableInfo.addServer(ServerName server)
static void	HBaseFsckRepair.closeRegionSilentlyAndWait(HBaseAdmin admin, ServerName server, HRegionInfo region) Contacts a region server and waits up to hbase.hbck.close.timeout ms (default 120s) to close the region.

Method parameters in org.apache.hadoop.hbase.util with type arguments of type ServerName

Modifier and Type	Method and Description
static void	HBaseFsckRepair.fixMultiAssignment(HBaseAdmin admin, HRegionInfo region, List<ServerName> servers) Fix multiple assignment by doing silent closes on each RS hosting the region and then force ZK unassigned node to OFFLINE to trigger assignment by master.

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

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

Modifier and Type	Method and Description
static ServerName	MetaRegionTracker.blockUntilAvailable(ZooKeeperWatcher zkw, long timeout) Wait until the meta region is available.
ServerName	MasterAddressTracker.getMasterAddress() Get the address of the current master if one is available.
ServerName	MasterAddressTracker.getMasterAddress(boolean refresh) Get the address of the current master if one is available.
static ServerName	MasterAddressTracker.getMasterAddress(ZooKeeperWatcher zkw) Get master address.
ServerName	MetaRegionTracker.getMetaRegionLocation() Gets the meta region location, if available.
static ServerName	MetaRegionTracker.getMetaRegionLocation(ZooKeeperWatcher zkw) Gets the meta region location, if available.
ServerName	MetaRegionTracker.waitMetaRegionLocation(long timeout) Gets the meta region location, if available, and waits for up to the specified timeout if not immediately available.

Methods in org.apache.hadoop.hbase.zookeeper that return types with arguments of type ServerName

Modifier and Type	Method and Description
List<ServerName>	RegionServerTracker.getOnlineServers() Gets the online servers.

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

Modifier and Type	Method and Description
static void	ZKAssign.asyncCreateNodeOffline(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, org.apache.zookeeper.AsyncCallback.StringCallback cb, Object ctx) Creates an unassigned node in the OFFLINE state for the specified region.
static int	ZKAssign.createNodeClosing(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName) Creates a new unassigned node in the CLOSING state for the specified region.
static void	ZKAssign.createNodeOffline(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName) Creates a new unassigned node in the OFFLINE state for the specified region.
static void	ZKAssign.createNodeOffline(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, EventType event)
static int	ZKAssign.createOrForceNodeOffline(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName) Creates or force updates an unassigned node to the OFFLINE state for the specified region.
static boolean	ZKAssign.deleteClosedNode(ZooKeeperWatcher zkw, String encodedRegionName, ServerName sn) Deletes an existing unassigned node that is in the CLOSED state for the specified region.
static boolean	ZKAssign.deleteClosingNode(ZooKeeperWatcher zkw, HRegionInfo region, ServerName sn) Deletes an existing unassigned node that is in the CLOSING state for the specified region.
static boolean	ZKAssign.deleteNode(ZooKeeperWatcher zkw, String encodedRegionName, EventType expectedState, ServerName sn) Deletes an existing unassigned node that is in the specified state for the specified region.
static boolean	ZKAssign.deleteNode(ZooKeeperWatcher zkw, String encodedRegionName, EventType expectedState, ServerName serverName, int expectedVersion) Deletes an existing unassigned node that is in the specified state for the specified region.
static boolean	ZKAssign.deleteOfflineNode(ZooKeeperWatcher zkw, String encodedRegionName, ServerName sn) Deletes an existing unassigned node that is in the OFFLINE state for the specified region.
static boolean	ZKAssign.deleteOpenedNode(ZooKeeperWatcher zkw, String encodedRegionName, ServerName sn) Deletes an existing unassigned node that is in the OPENED state for the specified region.
HBaseProtos.RegionServerInfo	RegionServerTracker.getRegionServerInfo(ServerName sn)
static int	ZKAssign.retransitionNodeOpening(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, int expectedVersion, boolean updateZNode) Retransitions an existing unassigned node for the specified region which is currently in the OPENING state to be in the OPENING state.
static boolean	MasterAddressTracker.setMasterAddress(ZooKeeperWatcher zkw, String znode, ServerName master) Set master address into the master znode or into the backup subdirectory of backup masters; switch off the passed in znode path.
static void	MetaRegionTracker.setMetaLocation(ZooKeeperWatcher zookeeper, ServerName location) Sets the location of hbase:meta in ZooKeeper to the specified server address.
static int	ZKAssign.transitionNode(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, EventType beginState, EventType endState, int expectedVersion) Method that actually performs unassigned node transitions.
static int	ZKAssign.transitionNode(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, EventType beginState, EventType endState, int expectedVersion, byte[] payload)
static int	ZKAssign.transitionNodeClosed(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, int expectedVersion) Transitions an existing unassigned node for the specified region which is currently in the CLOSING state to be in the CLOSED state.
static int	ZKAssign.transitionNodeOpened(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, int expectedVersion) Transitions an existing unassigned node for the specified region which is currently in the OPENING state to be in the OPENED state.
static int	ZKAssign.transitionNodeOpening(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName) Transitions an existing unassigned node for the specified region which is currently in the OFFLINE state to be in the OPENING state.
static int	ZKAssign.transitionNodeOpening(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName, EventType beginState)