org.apache.hadoop.hbase.security.access

Class SnapshotScannerHDFSAclCleaner

java.lang.Object

org.apache.hadoop.hbase.BaseConfigurable

org.apache.hadoop.hbase.master.cleaner.BaseFileCleanerDelegate

org.apache.hadoop.hbase.master.cleaner.BaseHFileCleanerDelegate

org.apache.hadoop.hbase.security.access.SnapshotScannerHDFSAclCleaner

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, FileCleanerDelegate, Stoppable

@InterfaceAudience.LimitedPrivate(value="Configuration")
 @InterfaceStability.Evolving
public class SnapshotScannerHDFSAclCleaner
extends BaseHFileCleanerDelegate

Implementation of a file cleaner that checks if a empty directory with no subdirs and subfiles is deletable when user scan snapshot feature is enabled

Constructor Summary

Constructors

Constructor and Description
SnapshotScannerHDFSAclCleaner()

Method Summary

Modifier and Type	Method and Description
void	init(Map<String,Object> params) this method is used to pass some instance into subclass
boolean	isEmptyDirDeletable(org.apache.hadoop.fs.Path dir) Check if a empty directory with no subdirs or subfiles can be deleted
protected boolean	isFileDeletable(org.apache.hadoop.fs.FileStatus fStat) Should the master delete the file or keep it?
void	setConf(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class org.apache.hadoop.hbase.master.cleaner.BaseHFileCleanerDelegate

isStopped, stop

Methods inherited from class org.apache.hadoop.hbase.master.cleaner.BaseFileCleanerDelegate

getDeletableFiles

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.hbase.master.cleaner.FileCleanerDelegate

preClean

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf

Constructor Detail

SnapshotScannerHDFSAclCleaner

public SnapshotScannerHDFSAclCleaner()

Method Detail

init

public void init(Map<String,Object> params)

Description copied from interface: FileCleanerDelegate

this method is used to pass some instance into subclass

Specified by:

init in interface FileCleanerDelegate

Overrides:

init in class BaseFileCleanerDelegate

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

Overrides:

setConf in class BaseConfigurable

isFileDeletable

protected boolean isFileDeletable(org.apache.hadoop.fs.FileStatus fStat)

Description copied from class: BaseFileCleanerDelegate

Should the master delete the file or keep it?

Specified by:

isFileDeletable in class BaseFileCleanerDelegate

Parameters:

fStat - file status of the file to check

Returns:

true if the file is deletable, false if not

isEmptyDirDeletable

public boolean isEmptyDirDeletable(org.apache.hadoop.fs.Path dir)

Description copied from interface: FileCleanerDelegate

Check if a empty directory with no subdirs or subfiles can be deleted

Parameters:

dir - Path of the directory

Returns:

True if the directory can be deleted, otherwise false