org.apache.hadoop.hbase.snapshot

Class SnapshotRegionLocator

java.lang.Object

org.apache.hadoop.hbase.snapshot.SnapshotRegionLocator

All Implemented Interfaces:

Closeable, AutoCloseable, RegionLocator

@InterfaceAudience.Private
public final class SnapshotRegionLocator
extends Object
implements RegionLocator

RegionLocator built using the most recent full backup's snapshot manifest for a given table. Useful for aligning any subsequent incremental backups along the same splits as the full backup

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SnapshotRegionLocator.SnapshotHRegionLocation

Field Summary

Fields inherited from interface org.apache.hadoop.hbase.client.RegionLocator

LOCATOR_META_REPLICAS_MODE, LOCATOR_META_REPLICAS_MODE_LOADBALANCE_SELECTOR

Method Summary

Modifier and Type	Method and Description
void	clearRegionLocationCache()
void	close()
static SnapshotRegionLocator	create(org.apache.hadoop.conf.Configuration conf, TableName table)
List<HRegionLocation>	getAllRegionLocations()
TableName	getName()
HRegionLocation	getRegionLocation(byte[] row, int replicaId, boolean reload)
List<HRegionLocation>	getRegionLocations(byte[] row, boolean reload)
static void	setSnapshotManifestDir(org.apache.hadoop.conf.Configuration conf, String dir, TableName table)
static boolean	shouldUseSnapshotRegionLocator(org.apache.hadoop.conf.Configuration conf, TableName table)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.client.RegionLocator

getEndKeys, getRegionLocation, getRegionLocation, getRegionLocation, getRegionLocations, getStartEndKeys, getStartKeys

Method Detail

create

public static SnapshotRegionLocator create(org.apache.hadoop.conf.Configuration conf,
                                           TableName table)
                                    throws IOException

Throws:

IOException

getRegionLocation

public HRegionLocation getRegionLocation(byte[] row,
                                         int replicaId,
                                         boolean reload)
                                  throws IOException

Specified by:

getRegionLocation in interface RegionLocator

Throws:

IOException

getRegionLocations

public List<HRegionLocation> getRegionLocations(byte[] row,
                                                boolean reload)
                                         throws IOException

Specified by:

getRegionLocations in interface RegionLocator

Throws:

IOException

clearRegionLocationCache

public void clearRegionLocationCache()

Specified by:

clearRegionLocationCache in interface RegionLocator

getAllRegionLocations

public List<HRegionLocation> getAllRegionLocations()
                                            throws IOException

Specified by:

getAllRegionLocations in interface RegionLocator

Throws:

IOException

getName

public TableName getName()

Specified by:

getName in interface RegionLocator

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

shouldUseSnapshotRegionLocator

public static boolean shouldUseSnapshotRegionLocator(org.apache.hadoop.conf.Configuration conf,
                                                     TableName table)

setSnapshotManifestDir

public static void setSnapshotManifestDir(org.apache.hadoop.conf.Configuration conf,
                                          String dir,
                                          TableName table)