Package org.apache.hadoop.hbase.replication.master

Class ReplicationLogCleanerBarrier

java.lang.Object

org.apache.hadoop.hbase.replication.master.ReplicationLogCleanerBarrier

@Private
public class ReplicationLogCleanerBarrier
extends Object

A barrier to guard the execution of ReplicationLogCleaner.

The reason why we introduce this class is because there could be race between AddPeerProcedure and ReplicationLogCleaner. See HBASE-27214 for more details.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static enum	ReplicationLogCleanerBarrier.State

Field Summary

Fields

Modifier and Type	Field	Description
private int	numberDisabled
private ReplicationLogCleanerBarrier.State	state

Constructor Summary

Constructors

Constructor	Description
ReplicationLogCleanerBarrier()

Method Summary

Modifier and Type	Method	Description
boolean	disable()
void	enable()
boolean	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Details

state

private ReplicationLogCleanerBarrier.State state

numberDisabled

private int numberDisabled

Constructor Details

ReplicationLogCleanerBarrier

public ReplicationLogCleanerBarrier()

Method Details

start

public boolean start()

stop

public void stop()

disable

public boolean disable()

enable

public void enable()