org.apache.hadoop.hbase.snapshot

Class RestoreSnapshotHelper.RestoreMetaChanges

java.lang.Object

org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper.RestoreMetaChanges

Enclosing class:

RestoreSnapshotHelper

public static class RestoreSnapshotHelper.RestoreMetaChanges
extends Object

Describe the set of operations needed to update hbase:meta after restore.

Method Summary

Modifier and Type	Method and Description
List<HRegionInfo>	getRegionsToAdd() Returns the list of new regions added during the on-disk restore.
List<HRegionInfo>	getRegionsToRemove() Returns the list of regions removed during the on-disk restore.
List<HRegionInfo>	getRegionsToRestore() Returns the list of 'restored regions' during the on-disk restore.
boolean	hasRegionsToAdd()
boolean	hasRegionsToRemove()
boolean	hasRegionsToRestore()
void	updateMetaParentRegions(Connection connection, List<HRegionInfo> regionInfos)

Methods inherited from class java.lang.Object

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

Method Detail

hasRegionsToAdd

public boolean hasRegionsToAdd()

Returns:

true if there're new regions

getRegionsToAdd

public List<HRegionInfo> getRegionsToAdd()

Returns the list of new regions added during the on-disk restore. The caller is responsible to add the regions to META. e.g MetaTableAccessor.addRegionsToMeta(...)

Returns:

the list of regions to add to META

hasRegionsToRestore

public boolean hasRegionsToRestore()

Returns:

true if there're regions to restore

getRegionsToRestore

public List<HRegionInfo> getRegionsToRestore()

Returns the list of 'restored regions' during the on-disk restore. The caller is responsible to add the regions to hbase:meta if not present.

Returns:

the list of regions restored

hasRegionsToRemove

public boolean hasRegionsToRemove()

Returns:

true if there're regions to remove

getRegionsToRemove

public List<HRegionInfo> getRegionsToRemove()

Returns the list of regions removed during the on-disk restore. The caller is responsible to remove the regions from META. e.g. MetaTableAccessor.deleteRegions(...)

Returns:

the list of regions to remove from META

updateMetaParentRegions

public void updateMetaParentRegions(Connection connection,
                                    List<HRegionInfo> regionInfos)
                             throws IOException

Throws:

IOException