org.apache.hadoop.hbase.replication.master
Class ReplicationLogCleaner

java.lang.Object
  extended by org.apache.hadoop.hbase.BaseConfigurable
      extended by org.apache.hadoop.hbase.master.cleaner.BaseLogCleanerDelegate
          extended by org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner
All Implemented Interfaces:
org.apache.hadoop.conf.Configurable, Abortable, FileCleanerDelegate, Stoppable

public class ReplicationLogCleaner
extends BaseLogCleanerDelegate
implements Abortable

Implementation of a log cleaner that checks if a log is still scheduled for replication before deleting it when its TTL is over.


Constructor Summary
ReplicationLogCleaner()
          Instantiates the cleaner, does nothing more.
 
Method Summary
 void abort(String why, Throwable e)
          Abort the server or client.
 boolean isAborted()
          Check if the server or client was aborted.
 boolean isLogDeletable(org.apache.hadoop.fs.Path filePath)
          Should the master delete the log or keep it?
 boolean isStopped()
           
 void setConf(org.apache.hadoop.conf.Configuration config)
           
 void stop(String why)
          Stop this service.
 
Methods inherited from class org.apache.hadoop.hbase.master.cleaner.BaseLogCleanerDelegate
isFileDeletable
 
Methods inherited from class org.apache.hadoop.hbase.BaseConfigurable
getConf
 
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.conf.Configurable
getConf
 

Constructor Detail

ReplicationLogCleaner

public ReplicationLogCleaner()
Instantiates the cleaner, does nothing more.

Method Detail

isLogDeletable

public boolean isLogDeletable(org.apache.hadoop.fs.Path filePath)
Description copied from class: BaseLogCleanerDelegate
Should the master delete the log or keep it?

Implementing classes should override BaseLogCleanerDelegate.isFileDeletable(Path) instead.

Specified by:
isLogDeletable in class BaseLogCleanerDelegate
Parameters:
filePath - full path to log.
Returns:
true if the log is deletable, false if not

setConf

public void setConf(org.apache.hadoop.conf.Configuration config)
Specified by:
setConf in interface org.apache.hadoop.conf.Configurable
Overrides:
setConf in class BaseConfigurable

stop

public void stop(String why)
Description copied from interface: Stoppable
Stop this service.

Specified by:
stop in interface Stoppable
Parameters:
why - Why we're stopping.

isStopped

public boolean isStopped()
Specified by:
isStopped in interface Stoppable
Returns:
True if Stoppable.stop(String) has been closed.

abort

public void abort(String why,
                  Throwable e)
Description copied from interface: Abortable
Abort the server or client.

Specified by:
abort in interface Abortable
Parameters:
why - Why we're aborting.
e - Throwable that caused abort. Can be null.

isAborted

public boolean isAborted()
Description copied from interface: Abortable
Check if the server or client was aborted.

Specified by:
isAborted in interface Abortable
Returns:
true if the server or client was aborted, false otherwise


Copyright © 2013 The Apache Software Foundation. All Rights Reserved.