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

Packages that use HRegionInfo

Package	Description
org.apache.hadoop.hbase
org.apache.hadoop.hbase.backup
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.io
org.apache.hadoop.hbase.mapred	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility
org.apache.hadoop.hbase.mapreduce	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility
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.regionserver
org.apache.hadoop.hbase.security.access
org.apache.hadoop.hbase.snapshot
org.apache.hadoop.hbase.tmpl.regionserver
org.apache.hadoop.hbase.tool
org.apache.hadoop.hbase.util
org.apache.hadoop.hbase.zookeeper

Uses of HRegionInfo in org.apache.hadoop.hbase

Fields in org.apache.hadoop.hbase declared as HRegionInfo

Modifier and Type	Field and Description
static HRegionInfo	HRegionInfo.FIRST_META_REGIONINFO HRegionInfo for first meta region

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

Modifier and Type	Method and Description
static HRegionInfo	HRegionInfo.convert(HBaseProtos.RegionInfo proto) Convert a RegionInfo to a HRegionInfo
static HRegionInfo	HRegionInfo.getHRegionInfo(Result data) Returns HRegionInfo object from the column HConstants.CATALOG_FAMILY:HConstants.REGIONINFO_QUALIFIER of the catalog table Result.
static HRegionInfo	HRegionInfo.getHRegionInfo(Result r, byte[] qualifier) Returns the HRegionInfo object from the column HConstants.CATALOG_FAMILY and qualifier of the catalog table result.
HRegionInfo	HRegionLocation.getRegionInfo()
static HRegionInfo	HRegionInfo.parseFrom(byte[] bytes)
static HRegionInfo	HRegionInfo.parseFrom(byte[] bytes, int offset, int len)
static HRegionInfo	HRegionInfo.parseFrom(DataInputStream in) Parses an HRegionInfo instance from the passed in stream.
static HRegionInfo	HRegionInfo.parseFromOrNull(byte[] bytes)
static HRegionInfo	HRegionInfo.parseFromOrNull(byte[] bytes, int offset, int len)

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

Modifier and Type	Method and Description
static PairOfSameType<HRegionInfo>	HRegionInfo.getDaughterRegions(Result data) Returns the daughter regions by reading the corresponding columns of the catalog table Result.
static Pair<HRegionInfo,ServerName>	HRegionInfo.getHRegionInfoAndServerName(Result r) Extract a HRegionInfo and ServerName from catalog table Result.
static PairOfSameType<HRegionInfo>	HRegionInfo.getMergeRegions(Result data) Returns the merge regions by reading the corresponding columns of the catalog table Result.
static List<HRegionInfo>	HRegionInfo.parseDelimitedFrom(byte[] bytes, int offset, int length) Parses all the HRegionInfo instances from the passed in stream until EOF.

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

Modifier and Type	Method and Description
static boolean	HRegionInfo.areAdjacent(HRegionInfo regionA, HRegionInfo regionB) Check whether two regions are adjacent
int	HRegionInfo.compareTo(HRegionInfo o)
static HBaseProtos.RegionInfo	HRegionInfo.convert(HRegionInfo info) Convert a HRegionInfo to a RegionInfo
static byte[]	HRegionInfo.toDelimitedByteArray(HRegionInfo... infos) Serializes given HRegionInfo's as a byte array.

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

Constructor and Description
HRegionInfo(HRegionInfo other) Costruct a copy of another HRegionInfo
HRegionLocation(HRegionInfo regionInfo, ServerName serverName)
HRegionLocation(HRegionInfo regionInfo, ServerName serverName, long seqNum)

Uses of HRegionInfo in org.apache.hadoop.hbase.backup

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

Modifier and Type	Method and Description
static void	HFileArchiver.archiveFamily(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.conf.Configuration conf, HRegionInfo parent, org.apache.hadoop.fs.Path tableDir, byte[] family) Remove from the specified region the store files of the specified column family, either by archiving them or outright deletion
static void	HFileArchiver.archiveRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, HRegionInfo info) Cleans up all the files for a HRegion by archiving the HFiles to the archive directory
static void	HFileArchiver.archiveStoreFile(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, HRegionInfo regionInfo, org.apache.hadoop.fs.Path tableDir, byte[] family, org.apache.hadoop.fs.Path storeFile) Archive the store file
static void	HFileArchiver.archiveStoreFiles(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, HRegionInfo regionInfo, org.apache.hadoop.fs.Path tableDir, byte[] family, Collection<StoreFile> compactedFiles) Remove the store files, either by archiving them or outright deletion

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

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

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 Pair<HRegionInfo,HRegionInfo>	MetaReader.getRegionsFromMergeQualifier(CatalogTracker catalogTracker, byte[] regionName) Get regions from the merge qualifier of the specified merged region
static Pair<HRegionInfo,HRegionInfo>	MetaReader.getRegionsFromMergeQualifier(CatalogTracker catalogTracker, byte[] regionName) Get regions from the merge qualifier of the specified merged region
static NavigableMap<HRegionInfo,Result>	MetaReader.getServerUserRegions(CatalogTracker catalogTracker, ServerName serverName)
static List<HRegionInfo>	MetaReader.getTableRegions(CatalogTracker catalogTracker, TableName tableName) Gets all of the regions of the specified table.
static List<HRegionInfo>	MetaReader.getTableRegions(CatalogTracker catalogTracker, TableName tableName, boolean excludeOfflinedSplitParents) Gets all of the regions of the specified table.
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 HRegionInfo

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 Put	MetaEditor.addDaughtersToPut(Put put, HRegionInfo splitA, HRegionInfo splitB) Adds split daughters to the Put
static void	MetaEditor.addRegionToMeta(CatalogTracker catalogTracker, HRegionInfo regionInfo) Adds a hbase:meta row for the specified new region.
static void	MetaEditor.addRegionToMeta(CatalogTracker catalogTracker, HRegionInfo regionInfo, HRegionInfo splitA, HRegionInfo splitB) Adds a (single) hbase:meta row for the specified new region and its daughters.
static void	MetaEditor.addRegionToMeta(HTable meta, HRegionInfo regionInfo) Adds a hbase:meta row for the specified new region to the given catalog table.
static void	MetaEditor.addRegionToMeta(HTable meta, HRegionInfo regionInfo, HRegionInfo splitA, HRegionInfo splitB) Adds a (single) hbase:meta row for the specified new region and its daughters.
static void	MetaEditor.deleteMergeQualifiers(CatalogTracker catalogTracker, HRegionInfo mergedRegion) Deletes merge qualifiers for the specified merged region.
static void	MetaEditor.deleteRegion(CatalogTracker catalogTracker, HRegionInfo regionInfo) Deletes the specified region from META.
static Delete	MetaEditor.makeDeleteFromRegionInfo(HRegionInfo regionInfo) Generates and returns a Delete containing the region info for the catalog table
static Put	MetaEditor.makePutFromRegionInfo(HRegionInfo regionInfo) Generates and returns a Put containing the region into for the catalog table
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.

Method parameters in org.apache.hadoop.hbase.catalog with type arguments of type HRegionInfo

Modifier and Type	Method and Description
static void	MetaEditor.addRegionsToMeta(CatalogTracker catalogTracker, List<HRegionInfo> regionInfos) Adds a hbase:meta row for each of the specified new regions.
static void	MetaEditor.deleteRegions(CatalogTracker catalogTracker, List<HRegionInfo> regionsInfo) Deletes the specified regions from META.
static void	MetaEditor.mutateRegions(CatalogTracker catalogTracker, List<HRegionInfo> regionsToRemove, List<HRegionInfo> regionsToAdd) Adds and Removes the specified regions from hbase:meta
static void	MetaEditor.mutateRegions(CatalogTracker catalogTracker, List<HRegionInfo> regionsToRemove, List<HRegionInfo> regionsToAdd) Adds and Removes the specified regions from hbase:meta
static void	MetaEditor.overwriteRegions(CatalogTracker catalogTracker, List<HRegionInfo> regionInfos) Overwrites the specified regions from hbase:meta

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

Fields in org.apache.hadoop.hbase.client declared as HRegionInfo

Modifier and Type	Field and Description
protected HRegionInfo	ClientScanner.currentRegion

Methods in org.apache.hadoop.hbase.client that return HRegionInfo

Modifier and Type	Method and Description
HRegionInfo	RegionServerCallable.getHRegionInfo()
HRegionInfo	ScannerCallable.getHRegionInfo()
static HRegionInfo	MetaScanner.getHRegionInfo(Result data) Returns HRegionInfo object from the column HConstants.CATALOG_FAMILY:HConstants.REGIONINFO_QUALIFIER of the catalog table Result.

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

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.
List<HRegionInfo>	HBaseAdmin.getOnlineRegions(ServerName sn) Get all the online regions on a region server.
NavigableMap<HRegionInfo,ServerName>	HTable.getRegionLocations() Gets all the regions and their address for this table.
List<HRegionInfo>	HBaseAdmin.getTableRegions(byte[] tableName)
List<HRegionInfo>	HBaseAdmin.getTableRegions(TableName tableName) get the regions of a given table.
static List<HRegionInfo>	MetaScanner.listAllRegions(org.apache.hadoop.conf.Configuration conf, boolean offlined) Used in tests.

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

Modifier and Type	Method and Description
void	HBaseAdmin.closeRegion(ServerName sn, HRegionInfo hri) Close a region.

Constructors in org.apache.hadoop.hbase.client with parameters of type HRegionInfo

Constructor and Description
ClientSideRegionScanner(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, HTableDescriptor htd, HRegionInfo hri, Scan scan, ScanMetrics scanMetrics)

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

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

Modifier and Type	Method and Description
void	BaseMasterAndRegionObserver.postAssign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	BaseMasterObserver.postAssign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	MasterObserver.postAssign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo) Called after the region assignment has been requested.
void	BaseMasterAndRegionObserver.postCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	BaseMasterObserver.postCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	MasterObserver.postCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions) Called after the createTable operation has been requested.
void	BaseMasterAndRegionObserver.postCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	BaseMasterObserver.postCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	MasterObserver.postCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions) Called after the createTable operation has been requested.
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.postRegionOffline(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	BaseMasterObserver.postRegionOffline(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	MasterObserver.postRegionOffline(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo) Called after the region has been marked offline.
void	BaseMasterAndRegionObserver.postUnassign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo, boolean force)
void	BaseMasterObserver.postUnassign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo, boolean force)
void	MasterObserver.postUnassign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo, boolean force) Called after the region unassignment has been requested.
void	BaseRegionObserver.postWALRestore(ObserverContext<RegionCoprocessorEnvironment> env, HRegionInfo info, HLogKey logKey, WALEdit logEdit)
void	RegionObserver.postWALRestore(ObserverContext<RegionCoprocessorEnvironment> ctx, HRegionInfo info, HLogKey logKey, WALEdit logEdit) Called after a WALEdit replayed for this region.
void	WALObserver.postWALWrite(ObserverContext<WALCoprocessorEnvironment> ctx, HRegionInfo info, HLogKey logKey, WALEdit logEdit) Called after a WALEdit is writen to WAL.
void	BaseWALObserver.postWALWrite(ObserverContext<WALCoprocessorEnvironment> ctx, HRegionInfo info, HLogKey logKey, WALEdit logEdit)
void	BaseMasterAndRegionObserver.preAssign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	BaseMasterObserver.preAssign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	MasterObserver.preAssign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo) Called prior to assigning a specific region.
void	BaseMasterAndRegionObserver.preCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	BaseMasterObserver.preCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	MasterObserver.preCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions) Called before a new table is created by HMaster.
void	BaseMasterAndRegionObserver.preCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	BaseMasterObserver.preCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions)
void	MasterObserver.preCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions) Called before a new table is created by HMaster.
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.
void	BaseMasterAndRegionObserver.preRegionOffline(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	BaseMasterObserver.preRegionOffline(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo)
void	MasterObserver.preRegionOffline(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo) Called prior to marking a given region as offline.
void	BaseMasterAndRegionObserver.preUnassign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo, boolean force)
void	BaseMasterObserver.preUnassign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo, boolean force)
void	MasterObserver.preUnassign(ObserverContext<MasterCoprocessorEnvironment> ctx, HRegionInfo regionInfo, boolean force) Called prior to unassigning a given region.
void	BaseRegionObserver.preWALRestore(ObserverContext<RegionCoprocessorEnvironment> env, HRegionInfo info, HLogKey logKey, WALEdit logEdit)
void	RegionObserver.preWALRestore(ObserverContext<RegionCoprocessorEnvironment> ctx, HRegionInfo info, HLogKey logKey, WALEdit logEdit) Called before a WALEdit replayed for this region.
boolean	WALObserver.preWALWrite(ObserverContext<WALCoprocessorEnvironment> ctx, HRegionInfo info, HLogKey logKey, WALEdit logEdit) Called before a WALEdit is writen to WAL.
boolean	BaseWALObserver.preWALWrite(ObserverContext<WALCoprocessorEnvironment> ctx, HRegionInfo info, HLogKey logKey, WALEdit logEdit)

Uses of HRegionInfo in org.apache.hadoop.hbase.io

Methods in org.apache.hadoop.hbase.io with parameters of type HRegionInfo

Modifier and Type	Method and Description
static boolean	HFileLink.create(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path dstFamilyPath, HRegionInfo hfileRegionInfo, String hfileName) Create a new HFileLink
static String	HFileLink.createHFileLinkName(HRegionInfo hfileRegionInfo, String hfileName) Create a new HFileLink name

Uses of HRegionInfo in org.apache.hadoop.hbase.mapred

Constructors in org.apache.hadoop.hbase.mapred with parameters of type HRegionInfo

Constructor and Description
TableSnapshotInputFormat.TableSnapshotRegionSplit(HTableDescriptor htd, HRegionInfo regionInfo, List<String> locations)

Uses of HRegionInfo in org.apache.hadoop.hbase.mapreduce

Methods in org.apache.hadoop.hbase.mapreduce that return HRegionInfo

Modifier and Type	Method and Description
HRegionInfo	TableSnapshotInputFormatImpl.InputSplit.getRegionInfo()

Constructors in org.apache.hadoop.hbase.mapreduce with parameters of type HRegionInfo

Constructor and Description
TableSnapshotInputFormat.TableSnapshotRegionSplit(HTableDescriptor htd, HRegionInfo regionInfo, List<String> locations)
TableSnapshotInputFormatImpl.InputSplit(HTableDescriptor htd, HRegionInfo regionInfo, List<String> locations)

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

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

Modifier and Type	Method and Description
HRegionInfo	RegionState.getRegion()
HRegionInfo	RegionPlan.getRegionInfo()
protected HRegionInfo	RegionStates.getRegionInfo(byte[] regionName) Get the HRegionInfo from cache, if not there, from the hbase:meta table

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

Modifier and Type	Method and Description
protected Map<TableName,Map<ServerName,List<HRegionInfo>>>	RegionStates.getAssignmentsByTable() This is an EXPENSIVE clone.
Map<HRegionInfo,ServerName>	RegionStates.getRegionAssignments()
Map<String,HRegionInfo>	SnapshotOfRegionAssignmentFromMeta.getRegionNameToRegionInfoMap() Get the regioninfo for a region
Map<ServerName,List<HRegionInfo>>	SnapshotOfRegionAssignmentFromMeta.getRegionServerToRegionMap() Get regionserver to region map
List<HRegionInfo>	RegionStates.getRegionsOfTable(TableName tableName) Gets the online regions of the specified table.
Map<HRegionInfo,ServerName>	SnapshotOfRegionAssignmentFromMeta.getRegionToRegionServerMap() Get region to region server map
Map<TableName,List<HRegionInfo>>	SnapshotOfRegionAssignmentFromMeta.getTableToRegionMap() Get regions for tables
Map<HRegionInfo,ServerName>	LoadBalancer.immediateAssignment(List<HRegionInfo> regions, List<ServerName> servers) Sync assign a region
List<HRegionInfo>	AssignmentManager.processServerShutdown(ServerName sn) Process shutdown server removing any assignments.
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.
List<HRegionInfo>	RegionStates.serverOffline(ZooKeeperWatcher watcher, ServerName sn) A server is offline, all regions on it are dead.

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

Modifier and Type	Method and Description
void	AssignmentManager.assign(HRegionInfo region, boolean setOfflineInZK) Assigns the specified region.
void	AssignmentManager.assign(HRegionInfo region, boolean setOfflineInZK, boolean forceNewPlan) Use care with forceNewPlan.
void	HMaster.assignRegion(HRegionInfo hri)
boolean	CatalogJanitor.cleanMergeQualifier(HRegionInfo region) Checks if the specified region has merge qualifiers, if so, try to clean them
void	RegionStates.clearLastAssignment(HRegionInfo region)
RegionState	RegionStates.createRegionState(HRegionInfo hri) Add a region to RegionStates.
RegionState	RegionStates.createRegionState(HRegionInfo hri, RegionState.State newState, ServerName serverName) Add a region to RegionStates with the specified state.
void	AssignmentManager.deleteClosingOrClosedNode(HRegionInfo region, ServerName sn)
void	MasterFileSystem.deleteFamilyFromFS(HRegionInfo region, byte[] familyName)
void	MasterFileSystem.deleteRegion(HRegionInfo region)
void	HMaster.dispatchMergingRegions(HRegionInfo region_a, HRegionInfo region_b, boolean forcible)
void	MasterServices.dispatchMergingRegions(HRegionInfo region_a, HRegionInfo region_b, boolean forcible) Merge two regions.
RegionPlan	AssignmentManager.getRegionReopenPlan(HRegionInfo hri)
ServerName	RegionStates.getRegionServerOfRegion(HRegionInfo hri)
protected RegionState	RegionStates.getRegionState(HRegionInfo hri)
RegionState	RegionStates.getRegionTransitionState(HRegionInfo hri) Get region transition state
boolean	RegionStates.isRegionInState(HRegionInfo hri, RegionState.State... states)
boolean	RegionStates.isRegionInTransition(HRegionInfo hri)
boolean	RegionStates.isRegionOffline(HRegionInfo hri)
boolean	RegionStates.isRegionOnline(HRegionInfo hri)
void	RegionStates.logSplit(HRegionInfo region) Log split is done for a given region, so it is assignable now.
void	AssignmentManager.offlineDisabledRegion(HRegionInfo regionInfo)
void	MasterCoprocessorHost.postAssign(HRegionInfo regionInfo)
void	MasterCoprocessorHost.postCreateTable(HTableDescriptor htd, HRegionInfo[] regions)
void	MasterCoprocessorHost.postCreateTableHandler(HTableDescriptor htd, HRegionInfo[] regions)
void	MasterCoprocessorHost.postMove(HRegionInfo region, ServerName srcServer, ServerName destServer)
void	MasterCoprocessorHost.postRegionOffline(HRegionInfo regionInfo)
void	MasterCoprocessorHost.postUnassign(HRegionInfo regionInfo, boolean force)
boolean	MasterCoprocessorHost.preAssign(HRegionInfo regionInfo)
void	MasterCoprocessorHost.preCreateTable(HTableDescriptor htd, HRegionInfo[] regions)
void	MasterCoprocessorHost.preCreateTableHandler(HTableDescriptor htd, HRegionInfo[] regions)
boolean	MasterCoprocessorHost.preMove(HRegionInfo region, ServerName srcServer, ServerName destServer)
void	MasterCoprocessorHost.preRegionOffline(HRegionInfo regionInfo)
boolean	MasterCoprocessorHost.preUnassign(HRegionInfo regionInfo, boolean force)
ServerName	LoadBalancer.randomAssignment(HRegionInfo regionInfo, List<ServerName> servers) Get a random region server from the list
void	AssignmentListener.regionClosed(HRegionInfo regionInfo) The region was closed on the region server.
void	RegionStates.regionOffline(HRegionInfo hri) A region is offline, won't be in transition any more.
void	LoadBalancer.regionOffline(HRegionInfo regionInfo) Marks the region as offline at balancer.
void	AssignmentManager.regionOffline(HRegionInfo regionInfo) Marks the region as offline.
void	RegionStates.regionOffline(HRegionInfo hri, RegionState.State expectedState) A region is offline, won't be in transition any more.
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.
void	AssignmentManager.removeClosedRegion(HRegionInfo hri) When a region is closed, it should be removed from the regionsToReopen
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.
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	AssignmentManager.unassign(HRegionInfo region) Unassigns the specified region.
void	AssignmentManager.unassign(HRegionInfo region, boolean force)
void	AssignmentManager.unassign(HRegionInfo region, boolean force, ServerName dest) Unassigns the specified region.
void	MasterFileSystem.updateRegionInfo(HRegionInfo region)
RegionState	RegionStates.updateRegionState(HRegionInfo hri, RegionState.State state) Update a region state.
RegionState	RegionStates.updateRegionState(HRegionInfo hri, RegionState.State state, ServerName serverName) Update a region state.
boolean	AssignmentManager.waitForAssignment(HRegionInfo regionInfo) Waits until the specified region has completed assignment.
void	RegionStates.waitOnRegionToClearRegionsInTransition(HRegionInfo hri) Wait on region to clear regions-in-transition.
void	AssignmentManager.waitOnRegionToClearRegionsInTransition(HRegionInfo hri) Wait on region to clear regions-in-transition.
boolean	AssignmentManager.waitOnRegionToClearRegionsInTransition(HRegionInfo hri, long timeOut) Wait on region to clear regions-in-transition or time out

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

Modifier and Type	Method and Description
void	AssignmentManager.assign(List<HRegionInfo> regions) Assigns specified regions round robin, if any.
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
void	RegionStates.createRegionStates(List<HRegionInfo> hris) Add a list of regions to RegionStates.
Map<HRegionInfo,ServerName>	LoadBalancer.immediateAssignment(List<HRegionInfo> regions, List<ServerName> servers) Sync assign a region
void	MasterFileSystem.prepareLogReplay(ServerName serverName, Set<HRegionInfo> regions) Mark regions in recovering state when distributedLogReplay are set true
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.
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	AssignmentManager.setRegionsToReopen(List<HRegionInfo> regions) Set the list of regions that will be reopened because of an update in table schema

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

Constructor and Description
AssignCallable(AssignmentManager assignmentManager, HRegionInfo hri, boolean newPlan)
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)
RegionState(HRegionInfo region, RegionState.State state, long stamp, ServerName serverName)
RegionState(HRegionInfo region, RegionState.State state, ServerName serverName)
UnAssignCallable(AssignmentManager assignmentManager, HRegionInfo hri)

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

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 HRegionInfo in org.apache.hadoop.hbase.master.balancer

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

Modifier and Type	Method and Description
Map<HRegionInfo,List<ServerName>>	FavoredNodesPlan.getAssignmentMap()
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.
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 HRegionInfo

Modifier and Type	Method and Description
List<ServerName>	FavoredNodesPlan.getFavoredNodes(HRegionInfo region)
List<ServerName>	FavoredNodeLoadBalancer.getFavoredNodes(HRegionInfo regionInfo)
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)
void	BaseLoadBalancer.regionOffline(HRegionInfo regionInfo)
void	BaseLoadBalancer.regionOnline(HRegionInfo regionInfo, ServerName sn)
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

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

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)
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.
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)
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 HRegionInfo

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)

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

Methods in org.apache.hadoop.hbase.master.handler that return HRegionInfo

Modifier and Type	Method and Description
HRegionInfo	TotesHRegionInfo.getHRegionInfo()
HRegionInfo	ClosedRegionHandler.getHRegionInfo()
HRegionInfo	OpenedRegionHandler.getHRegionInfo()

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

Modifier and Type	Method and Description
protected List<HRegionInfo>	CreateTableHandler.handleCreateHdfsRegions(org.apache.hadoop.fs.Path tableRootDir, TableName tableName) Create the on-disk structure for the table, and returns the regions info.

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

Modifier and Type	Method and Description
static boolean	ServerShutdownHandler.processDeadRegion(HRegionInfo hri, AssignmentManager assignmentManager, CatalogTracker catalogTracker) Process a dead region from a dead RS.

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

Modifier and Type	Method and Description
protected void	CreateTableHandler.addRegionsToMeta(CatalogTracker ct, List<HRegionInfo> regionInfos) Add the specified set of regions to the hbase:meta table.
protected void	DeleteTableHandler.handleTableOperation(List<HRegionInfo> regions)
protected void	TableDeleteFamilyHandler.handleTableOperation(List<HRegionInfo> hris)
protected void	TableAddFamilyHandler.handleTableOperation(List<HRegionInfo> hris)
protected void	TableModifyFamilyHandler.handleTableOperation(List<HRegionInfo> regions)
protected void	ModifyTableHandler.handleTableOperation(List<HRegionInfo> hris)
protected abstract void	TableEventHandler.handleTableOperation(List<HRegionInfo> regions)
boolean	TableEventHandler.reOpenAllRegions(List<HRegionInfo> regions)

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

Constructor and Description
ClosedRegionHandler(Server server, AssignmentManager assignmentManager, HRegionInfo regionInfo)
CreateTableHandler(Server server, MasterFileSystem fileSystemManager, HTableDescriptor hTableDescriptor, org.apache.hadoop.conf.Configuration conf, HRegionInfo[] newRegions, MasterServices masterServices)
DispatchMergingRegionHandler(MasterServices services, CatalogJanitor catalogJanitor, HRegionInfo region_a, HRegionInfo region_b, boolean forcible)
OpenedRegionHandler(Server server, AssignmentManager assignmentManager, HRegionInfo regionInfo, ServerName sn, int expectedVersion)

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

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

Modifier and Type	Method and Description
protected List<HRegionInfo>	CloneSnapshotHandler.handleCreateHdfsRegions(org.apache.hadoop.fs.Path tableRootDir, TableName tableName) Create the on-disk regions, using the tableRootDir provided by the CreateTableHandler.

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

Modifier and Type	Method and Description
protected void	TakeSnapshotHandler.snapshotDisabledRegion(HRegionInfo regionInfo) Take a snapshot of the specified disabled region

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

Modifier and Type	Method and Description
protected void	CloneSnapshotHandler.addRegionsToMeta(CatalogTracker ct, List<HRegionInfo> regionInfos)
protected void	RestoreSnapshotHandler.handleTableOperation(List<HRegionInfo> hris) The restore table is executed in place.
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 HRegionInfo in org.apache.hadoop.hbase.protobuf

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

Modifier and Type	Method and Description
static HRegionInfo	ProtobufUtil.getRegionInfo(AdminProtos.AdminService.BlockingInterface admin, byte[] regionName) A helper to retrieve region info given a region name using admin protocol.

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

Modifier and Type	Method and Description
static List<HRegionInfo>	ProtobufUtil.getOnlineRegions(AdminProtos.AdminService.BlockingInterface admin) A helper to get the all the online regions on a region server using admin protocol.
static List<HRegionInfo>	ResponseConverter.getRegionInfos(AdminProtos.GetOnlineRegionResponse proto) Get the list of region info from a GetOnlineRegionResponse

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

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 void	ProtobufUtil.mergeRegions(AdminProtos.AdminService.BlockingInterface admin, HRegionInfo region_a, HRegionInfo region_b, boolean forcible) A helper to merge regions 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 void	ProtobufUtil.split(AdminProtos.AdminService.BlockingInterface admin, HRegionInfo hri, byte[] splitPoint) A helper to split a region using admin protocol.
static WALProtos.CompactionDescriptor	ProtobufUtil.toCompactionDescriptor(HRegionInfo info, byte[] family, List<org.apache.hadoop.fs.Path> inputPaths, List<org.apache.hadoop.fs.Path> outputPaths, org.apache.hadoop.fs.Path storeDir)

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

Modifier and Type	Method and Description
static AdminProtos.GetOnlineRegionResponse	ResponseConverter.buildGetOnlineRegionResponse(List<HRegionInfo> regions) A utility to build a GetOnlineRegionResponse.
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 HRegionInfo in org.apache.hadoop.hbase.regionserver

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

Modifier and Type	Method and Description
static HRegionInfo	RegionMergeTransaction.getMergedRegionInfo(HRegionInfo a, HRegionInfo b) Get merged region info through the specified two regions
protected HRegionInfo[]	HRegionServer.getMostLoadedRegions() Get the top N most loaded regions this server is serving so we can tell the master which regions it can reallocate if we're overloaded.
HRegionInfo	HRegion.getRegionInfo()
HRegionInfo	Store.getRegionInfo()
HRegionInfo	HRegionFileSystem.getRegionInfo()
HRegionInfo	HStore.getRegionInfo()
HRegionInfo	RegionScanner.getRegionInfo()
static HRegionInfo	HRegionFileSystem.loadRegionInfoFileContent(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path regionDir) Create a HRegionInfo from the serialized version on-disk.

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

Modifier and Type	Method and Description
static HDFSBlocksDistribution	HRegion.computeHDFSBlocksDistribution(org.apache.hadoop.conf.Configuration conf, HTableDescriptor tableDescriptor, HRegionInfo regionInfo) This is a helper function to compute HDFS block distribution on demand
static HDFSBlocksDistribution	HRegion.computeHDFSBlocksDistribution(org.apache.hadoop.conf.Configuration conf, HTableDescriptor tableDescriptor, HRegionInfo regionInfo, org.apache.hadoop.fs.Path tablePath) This is a helper function to compute HDFS block distribution on demand
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor) Convenience method creating new HRegions.
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, HLog hlog)
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, HLog hlog, boolean initialize) Convenience method creating new HRegions.
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, HLog hlog, boolean initialize, boolean ignoreHLog) Convenience method creating new HRegions.
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, HLog hlog, boolean initialize, boolean ignoreHLog) Convenience method creating new HRegions.
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.
static HRegionFileSystem	HRegionFileSystem.createRegionOnFileSystem(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path tableDir, HRegionInfo regionInfo) Create a new Region on file-system.
static void	HRegionFileSystem.deleteRegionFromFileSystem(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path tableDir, HRegionInfo regionInfo) Remove the region from the table directory, archiving the region's hfiles.
static HRegionInfo	RegionMergeTransaction.getMergedRegionInfo(HRegionInfo a, HRegionInfo b) Get merged region info through the specified two regions
static org.apache.hadoop.fs.Path	HRegion.getRegionDir(org.apache.hadoop.fs.Path rootdir, HRegionInfo info) Deprecated.
static org.apache.hadoop.fs.Path	HStore.getStoreHomedir(org.apache.hadoop.fs.Path tabledir, HRegionInfo hri, byte[] family) Deprecated.
HLog	HRegionServer.getWAL(HRegionInfo regionInfo)
HLog	RegionServerServices.getWAL(HRegionInfo regionInfo)
static HRegion	HRegion.openHRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, HLog wal) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, HLog wal, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HRegionInfo info, HTableDescriptor htd, HLog wal, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static HRegion	HRegion.openHRegion(HRegionInfo info, HTableDescriptor htd, HLog wal, org.apache.hadoop.conf.Configuration conf) Open a Region.
static HRegion	HRegion.openHRegion(HRegionInfo info, HTableDescriptor htd, HLog wal, org.apache.hadoop.conf.Configuration conf, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, HLog wal, org.apache.hadoop.conf.Configuration conf) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, HLog wal, org.apache.hadoop.conf.Configuration conf, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static HRegionFileSystem	HRegionFileSystem.openRegionFromFileSystem(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path tableDir, HRegionInfo regionInfo, boolean readOnly) Open Region from file-system.
void	RegionCoprocessorHost.postWALRestore(HRegionInfo info, HLogKey logKey, WALEdit logEdit)
void	RegionMergeTransaction.prepareMutationsForMerge(HRegionInfo mergedRegion, HRegionInfo regionA, HRegionInfo regionB, ServerName serverName, List<Mutation> mutations)
boolean	RegionCoprocessorHost.preWALRestore(HRegionInfo info, HLogKey logKey, WALEdit logEdit)
boolean	HRegionServer.reportRegionTransition(RegionServerStatusProtos.RegionTransition.TransitionCode code, HRegionInfo... hris)
boolean	RegionServerServices.reportRegionTransition(RegionServerStatusProtos.RegionTransition.TransitionCode code, HRegionInfo... hris) Notify master that a handler requests to change a region state
boolean	HRegionServer.reportRegionTransition(RegionServerStatusProtos.RegionTransition.TransitionCode code, long openSeqNum, HRegionInfo... hris)
boolean	RegionServerServices.reportRegionTransition(RegionServerStatusProtos.RegionTransition.TransitionCode code, long openSeqNum, HRegionInfo... hris) Notify master that a handler requests to change a region state
static boolean	HRegion.rowIsInRange(HRegionInfo info, byte[] row) Determines if the specified row is within the row range specified by the specified HRegionInfo
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.

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

Constructor and Description
HRegion(org.apache.hadoop.fs.Path tableDir, HLog log, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.conf.Configuration confParam, HRegionInfo regionInfo, HTableDescriptor htd, RegionServerServices rsServices) Deprecated.

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

Methods in org.apache.hadoop.hbase.regionserver.handler that return HRegionInfo

Modifier and Type	Method and Description
HRegionInfo	OpenRegionHandler.getRegionInfo()
HRegionInfo	CloseRegionHandler.getRegionInfo()

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

Modifier and Type	Method and Description
static boolean	OpenRegionHandler.tryTransitionFromOfflineToFailedOpen(RegionServerServices rsServices, HRegionInfo hri, int versionOfOfflineNode) Try to transition to open.

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

Constructor and Description
CloseMetaHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo)
CloseMetaHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, boolean abort, boolean zk, int versionOfClosingNode)
CloseRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo)
CloseRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, boolean abort, boolean zk, int versionOfClosingNode) This method used internally by the RegionServer to close out regions.
CloseRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, boolean abort, boolean zk, int versionOfClosingNode, EventType eventType)
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)
OpenMetaHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, HTableDescriptor htd)
OpenMetaHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, HTableDescriptor htd, int versionOfOfflineNode)
OpenRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, HTableDescriptor htd)
OpenRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, HTableDescriptor htd, EventType eventType, int versionOfOfflineNode)
OpenRegionHandler(Server server, RegionServerServices rsServices, HRegionInfo regionInfo, HTableDescriptor htd, int versionOfOfflineNode)

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

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

Modifier and Type	Method and Description
void	HLog.append(HRegionInfo info, TableName tableName, WALEdit edits, long now, HTableDescriptor htd, AtomicLong sequenceId) Same as appendNoSync(HRegionInfo, TableName, WALEdit, List, long, HTableDescriptor), except it causes a sync on the log
long	HLog.appendNoSync(HRegionInfo info, TableName tableName, WALEdit edits, List<UUID> clusterIds, long now, HTableDescriptor htd, AtomicLong sequenceId, boolean isInMemstore, long nonceGroup, long nonce) Append a set of edits to the log.
static WALEdit	WALEdit.createCompaction(HRegionInfo hri, WALProtos.CompactionDescriptor c) Create a compacion WALEdit
void	WALCoprocessorHost.postWALWrite(HRegionInfo info, HLogKey logKey, WALEdit logEdit)
boolean	WALCoprocessorHost.preWALWrite(HRegionInfo info, HLogKey logKey, WALEdit logEdit)
void	WALActionsListener.visitLogEntryBeforeWrite(HRegionInfo info, HLogKey logKey, WALEdit logEdit) Called before each write.
static void	HLogUtil.writeCompactionMarker(HLog log, HTableDescriptor htd, HRegionInfo info, WALProtos.CompactionDescriptor c, AtomicLong sequenceId) Write the marker that a compaction has succeeded and is about to be committed.

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

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

Modifier and Type	Method and Description
void	Replication.visitLogEntryBeforeWrite(HRegionInfo info, HLogKey logKey, WALEdit logEdit)

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

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

Modifier and Type	Method and Description
void	AccessController.postCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> c, HTableDescriptor desc, HRegionInfo[] regions)
void	AccessController.preAssign(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo regionInfo)
void	AccessController.preCreateTable(ObserverContext<MasterCoprocessorEnvironment> c, HTableDescriptor desc, HRegionInfo[] regions)
void	AccessController.preMove(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo region, ServerName srcServer, ServerName destServer)
void	AccessController.preRegionOffline(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo regionInfo)
void	AccessController.preUnassign(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo regionInfo, boolean force)

Uses of HRegionInfo in org.apache.hadoop.hbase.snapshot

Methods in org.apache.hadoop.hbase.snapshot that return HRegionInfo

Modifier and Type	Method and Description
HRegionInfo	RestoreSnapshotHelper.cloneRegionInfo(HRegionInfo snapshotRegionInfo) Create a new HRegionInfo from the snapshot region info.

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

Modifier and Type	Method and Description
List<HRegionInfo>	RestoreSnapshotHelper.RestoreMetaChanges.getRegionsToAdd() Returns the list of new regions added during the on-disk restore.
List<HRegionInfo>	RestoreSnapshotHelper.RestoreMetaChanges.getRegionsToRemove() Returns the list of regions removed during the on-disk restore.
List<HRegionInfo>	RestoreSnapshotHelper.RestoreMetaChanges.getRegionsToRestore() Returns the list of 'restored regions' during the on-disk restore.

Methods in org.apache.hadoop.hbase.snapshot with parameters of type HRegionInfo

Modifier and Type	Method and Description
void	SnapshotManifest.addRegion(org.apache.hadoop.fs.Path tableDir, HRegionInfo regionInfo) Creates a 'manifest' for the specified region, by reading directly from the disk.
HRegionInfo	RestoreSnapshotHelper.cloneRegionInfo(HRegionInfo snapshotRegionInfo) Create a new HRegionInfo from the snapshot region info.
void	SnapshotReferenceUtil.StoreFileVisitor.storeFile(HRegionInfo regionInfo, String familyName, SnapshotProtos.SnapshotRegionManifest.StoreFile storeFile)

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

Modifier and Type	Method and Description
void	RestoreSnapshotHelper.RestoreMetaChanges.updateMetaParentRegions(CatalogTracker catalogTracker, List<HRegionInfo> regionInfos)

Uses of HRegionInfo in org.apache.hadoop.hbase.tmpl.regionserver

Methods in org.apache.hadoop.hbase.tmpl.regionserver that return types with arguments of type HRegionInfo

Modifier and Type	Method and Description
List<HRegionInfo>	RegionListTmpl.ImplData.getOnlineRegions()

Method parameters in org.apache.hadoop.hbase.tmpl.regionserver with type arguments of type HRegionInfo

Modifier and Type	Method and Description
org.jamon.Renderer	RegionListTmpl.makeRenderer(HRegionServer regionServer, List<HRegionInfo> onlineRegions)
void	RegionListTmpl.render(Writer jamonWriter, HRegionServer regionServer, List<HRegionInfo> onlineRegions)
void	RegionListTmpl.renderNoFlush(Writer jamonWriter, HRegionServer regionServer, List<HRegionInfo> onlineRegions)
void	RegionListTmpl.ImplData.setOnlineRegions(List<HRegionInfo> onlineRegions)

Uses of HRegionInfo in org.apache.hadoop.hbase.tool

Methods in org.apache.hadoop.hbase.tool with parameters of type HRegionInfo

Modifier and Type	Method and Description
void	Canary.Sink.publishReadFailure(HRegionInfo region, Exception e)
void	Canary.StdOutSink.publishReadFailure(HRegionInfo region, Exception e)
void	Canary.Sink.publishReadFailure(HRegionInfo region, HColumnDescriptor column, Exception e)
void	Canary.StdOutSink.publishReadFailure(HRegionInfo region, HColumnDescriptor column, Exception e)
void	Canary.Sink.publishReadTiming(HRegionInfo region, HColumnDescriptor column, long msTime)
void	Canary.StdOutSink.publishReadTiming(HRegionInfo region, HColumnDescriptor column, long msTime)

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

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

Modifier and Type	Method and Description
static HRegionInfo	ModifyRegionUtils.createRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HTableDescriptor hTableDescriptor, HRegionInfo newRegion, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.

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

Modifier and Type	Method and Description
static List<HRegionInfo>	ModifyRegionUtils.createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions) Create new set of regions on the specified file-system.
static List<HRegionInfo>	ModifyRegionUtils.createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.
static List<HRegionInfo>	ModifyRegionUtils.createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.
static List<HRegionInfo>	ModifyRegionUtils.createRegions(ThreadPoolExecutor exec, org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.

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

Modifier and Type	Method and Description
void	HBaseFsck.HbckInfo.addServer(HRegionInfo hri, 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.
static HRegion	HBaseFsckRepair.createHDFSRegionDir(org.apache.hadoop.conf.Configuration conf, HRegionInfo hri, HTableDescriptor htd) Creates, flushes, and closes a new region.
static HRegionInfo	ModifyRegionUtils.createRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HTableDescriptor hTableDescriptor, HRegionInfo newRegion, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.
static List<HRegionInfo>	ModifyRegionUtils.createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions) Create new set of regions on the specified file-system.
static List<HRegionInfo>	ModifyRegionUtils.createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.
static List<HRegionInfo>	ModifyRegionUtils.createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.
static List<HRegionInfo>	ModifyRegionUtils.createRegions(ThreadPoolExecutor exec, org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.
void	ModifyRegionUtils.RegionEditTask.editRegion(HRegionInfo region)
static void	HBaseFsckRepair.fixMetaHoleOnline(org.apache.hadoop.conf.Configuration conf, HRegionInfo hri) Puts the specified HRegionInfo into META.
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.
static void	HBaseFsckRepair.fixUnassigned(HBaseAdmin admin, HRegionInfo region) Fix unassigned by creating/transition the unassigned ZK node for this region to OFFLINE state with a special flag to tell the master that this is a forced operation by HBCK.
static org.apache.hadoop.fs.Path	HFileArchiveUtil.getStoreArchivePath(org.apache.hadoop.conf.Configuration conf, HRegionInfo region, org.apache.hadoop.fs.Path tabledir, byte[] family) Get the directory to archive a store directory
static void	HBaseFsckRepair.waitUntilAssigned(HBaseAdmin admin, HRegionInfo region)

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

Modifier and Type	Method and Description
static void	ModifyRegionUtils.editRegions(ThreadPoolExecutor exec, Collection<HRegionInfo> regions, ModifyRegionUtils.RegionEditTask task) Execute the task on the specified set of regions.

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

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

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 boolean	ZKAssign.checkClosingState(ZooKeeperWatcher zkw, HRegionInfo region, int expectedVersion)
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.deleteClosingNode(ZooKeeperWatcher zkw, HRegionInfo region, ServerName sn) Deletes an existing unassigned node that is in the CLOSING state for the specified region.
static void	ZKAssign.deleteNodeFailSilent(ZooKeeperWatcher watcher, HRegionInfo regionInfo) Delete the assignment node regardless of its current state.
static int	ZKAssign.getVersion(ZooKeeperWatcher zkw, HRegionInfo region) Get the version of the specified znode
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 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)