org.apache.hadoop.hbase.util

Class HbckRegionInfo

java.lang.Object

org.apache.hadoop.hbase.util.HbckRegionInfo

All Implemented Interfaces:

KeyRange

@InterfaceAudience.Private
 @InterfaceStability.Evolving
public class HbckRegionInfo
extends Object
implements KeyRange

Maintain information about a particular region. It gathers information from three places -- HDFS, META, and region servers.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HbckRegionInfo.HdfsEntry Stores the regioninfo entries from HDFS
static class	HbckRegionInfo.MetaEntry Stores the regioninfo entries scanned from META
(package private) static class	HbckRegionInfo.OnlineEntry Stores the regioninfo retrieved from Online region servers.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static Comparator<HbckRegionInfo>	COMPARATOR
private List<HbckRegionInfo.OnlineEntry>	deployedEntries
private List<ServerName>	deployedOn
private int	deployedReplicaId
private HbckRegionInfo.HdfsEntry	hdfsEntry
private boolean	isMerged
private static org.slf4j.Logger	LOG
private HbckRegionInfo.MetaEntry	metaEntry
private RegionInfo	primaryHRIForDeployedReplica
private boolean	skipChecks

Constructor Summary

Constructors

Constructor and Description
HbckRegionInfo(HbckRegionInfo.MetaEntry metaEntry)

Method Summary

Modifier and Type	Method and Description
void	addServer(RegionInfo regionInfo, ServerName serverName)
boolean	containsOnlyHdfsEdits()
List<ServerName>	getDeployedOn()
byte[]	getEndKey()
HbckRegionInfo.HdfsEntry	getHdfsEntry()
RegionInfo	getHdfsHRI()
org.apache.hadoop.fs.Path	getHdfsRegionDir()
HbckRegionInfo.MetaEntry	getMetaEntry()
long	getModTime()
List<HbckRegionInfo.OnlineEntry>	getOnlineEntries()
RegionInfo	getPrimaryHRIForDeployedReplica()
byte[]	getRegionName()
String	getRegionNameAsString()
int	getReplicaId()
byte[]	getStartKey()
TableName	getTableName()
boolean	isHdfsRegioninfoPresent()
boolean	isMerged()
boolean	isSkipChecks()
void	loadHdfsRegioninfo(org.apache.hadoop.conf.Configuration conf) Read the .regioninfo file from the file system.
void	setHdfsEntry(HbckRegionInfo.HdfsEntry hdfsEntry)
void	setMerged(boolean isMerged)
void	setMetaEntry(HbckRegionInfo.MetaEntry metaEntry)
void	setSkipChecks(boolean skipChecks)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

LOG

private static final org.slf4j.Logger LOG

metaEntry

private HbckRegionInfo.MetaEntry metaEntry

hdfsEntry

private HbckRegionInfo.HdfsEntry hdfsEntry

deployedEntries

private List<HbckRegionInfo.OnlineEntry> deployedEntries

deployedOn

private List<ServerName> deployedOn

skipChecks

private boolean skipChecks

isMerged

private boolean isMerged

deployedReplicaId

private int deployedReplicaId

primaryHRIForDeployedReplica

private RegionInfo primaryHRIForDeployedReplica

COMPARATOR

static final Comparator<HbckRegionInfo> COMPARATOR

Constructor Detail

HbckRegionInfo

public HbckRegionInfo(HbckRegionInfo.MetaEntry metaEntry)

Method Detail

getReplicaId

public int getReplicaId()

addServer

public void addServer(RegionInfo regionInfo,
                      ServerName serverName)

toString

public String toString()

Overrides:

toString in class Object

getStartKey

public byte[] getStartKey()

Specified by:

getStartKey in interface KeyRange

getEndKey

public byte[] getEndKey()

Specified by:

getEndKey in interface KeyRange

getMetaEntry

public HbckRegionInfo.MetaEntry getMetaEntry()

setMetaEntry

public void setMetaEntry(HbckRegionInfo.MetaEntry metaEntry)

getHdfsEntry

public HbckRegionInfo.HdfsEntry getHdfsEntry()

setHdfsEntry

public void setHdfsEntry(HbckRegionInfo.HdfsEntry hdfsEntry)

getOnlineEntries

public List<HbckRegionInfo.OnlineEntry> getOnlineEntries()

getDeployedOn

public List<ServerName> getDeployedOn()

loadHdfsRegioninfo

public void loadHdfsRegioninfo(org.apache.hadoop.conf.Configuration conf)
                        throws IOException

Read the .regioninfo file from the file system. If there is no .regioninfo, add it to the orphan hdfs region list.

Throws:

IOException

getTableName

public TableName getTableName()

getRegionNameAsString

public String getRegionNameAsString()

getRegionName

public byte[] getRegionName()

getPrimaryHRIForDeployedReplica

public RegionInfo getPrimaryHRIForDeployedReplica()

getHdfsRegionDir

public org.apache.hadoop.fs.Path getHdfsRegionDir()

containsOnlyHdfsEdits

public boolean containsOnlyHdfsEdits()

isHdfsRegioninfoPresent

public boolean isHdfsRegioninfoPresent()

getModTime

public long getModTime()

getHdfsHRI

public RegionInfo getHdfsHRI()

setSkipChecks

public void setSkipChecks(boolean skipChecks)

isSkipChecks

public boolean isSkipChecks()

setMerged

public void setMerged(boolean isMerged)

isMerged

public boolean isMerged()