Package org.apache.hadoop.hbase.master.balancer

Class SwapRegionsAction

java.lang.Object

org.apache.hadoop.hbase.master.balancer.BalanceAction

org.apache.hadoop.hbase.master.balancer.SwapRegionsAction

@Private
public class SwapRegionsAction
extends BalanceAction

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.master.balancer.BalanceAction

BalanceAction.Type

Field Summary

Fields

Modifier and Type	Field	Description
private final int	fromRegion
private final int	fromServer
private final int	toRegion
private final int	toServer

Fields inherited from class org.apache.hadoop.hbase.master.balancer.BalanceAction

NULL_ACTION

Constructor Summary

Constructors

Constructor	Description
SwapRegionsAction(int fromServer, int fromRegion, int toServer, int toRegion)

Method Summary

Modifier and Type	Method	Description
int	getFromRegion()
int	getFromServer()
int	getToRegion()
int	getToServer()
(package private) List<RegionPlan>	toRegionPlans(BalancerClusterState cluster)	Returns the Action represented as RegionPlans
String	toString()
BalanceAction	undoAction()	Returns an Action which would undo this action

Methods inherited from class org.apache.hadoop.hbase.master.balancer.BalanceAction

getStepCount, getType

Methods inherited from class java.lang.Object

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

Field Details

fromServer

private final int fromServer

fromRegion

private final int fromRegion

toServer

private final int toServer

toRegion

private final int toRegion

Constructor Details

SwapRegionsAction

SwapRegionsAction(int fromServer,
 int fromRegion,
 int toServer,
 int toRegion)

Method Details

getFromServer

public int getFromServer()

getFromRegion

public int getFromRegion()

getToServer

public int getToServer()

getToRegion

public int getToRegion()

undoAction

public BalanceAction undoAction()

Description copied from class: BalanceAction

Returns an Action which would undo this action

Specified by:

undoAction in class BalanceAction

toRegionPlans

List<RegionPlan> toRegionPlans(BalancerClusterState cluster)

Description copied from class: BalanceAction

Returns the Action represented as RegionPlans

Specified by:

toRegionPlans in class BalanceAction

toString

public String toString()

Overrides:

toString in class BalanceAction