org.apache.hadoop.hbase.master.normalizer

Class MergeNormalizationPlan

java.lang.Object

org.apache.hadoop.hbase.master.normalizer.MergeNormalizationPlan

All Implemented Interfaces:

NormalizationPlan

@InterfaceAudience.Private
public class MergeNormalizationPlan
extends Object
implements NormalizationPlan

Normalization plan to merge regions (smallest region in the table with its smallest neighbor).

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.master.normalizer.NormalizationPlan

NormalizationPlan.PlanType

Field Summary

Fields

Modifier and Type	Field and Description
private RegionInfo	firstRegion
private static org.slf4j.Logger	LOG
private RegionInfo	secondRegion

Constructor Summary

Constructors

Constructor and Description
MergeNormalizationPlan(RegionInfo firstRegion, RegionInfo secondRegion)

Method Summary

Modifier and Type	Method and Description
(package private) RegionInfo	getFirstRegion()
(package private) RegionInfo	getSecondRegion()
NormalizationPlan.PlanType	getType()
long	submit(MasterServices masterServices) Submits normalization plan on cluster (does actual splitting/merging work) and returns proc Id to caller.
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

firstRegion

private final RegionInfo firstRegion

secondRegion

private final RegionInfo secondRegion

Constructor Detail

MergeNormalizationPlan

public MergeNormalizationPlan(RegionInfo firstRegion,
                              RegionInfo secondRegion)

Method Detail

submit

public long submit(MasterServices masterServices)
            throws IOException

Submits normalization plan on cluster (does actual splitting/merging work) and returns proc Id to caller.

Specified by:

submit in interface NormalizationPlan

Parameters:

masterServices - instance of MasterServices

Returns:

Proc Id for the submitted task

Throws:

IOException - If plan submission to Admin fails

getType

public NormalizationPlan.PlanType getType()

Specified by:

getType in interface NormalizationPlan

Returns:

the type of this plan

getFirstRegion

RegionInfo getFirstRegion()

getSecondRegion

RegionInfo getSecondRegion()

toString

public String toString()

Overrides:

toString in class Object