org.apache.hadoop.fs.viewfs

Class ConfigUtil

java.lang.Object

org.apache.hadoop.fs.viewfs.ConfigUtil

public class ConfigUtil
extends Object

Utilities for config variables of the viewFs See ViewFs

Constructor Summary

Constructors

Constructor and Description
ConfigUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static void	addLink(Configuration conf, String mountTableName, String src, URI target) Add a link to the config for the specified mount table
static void	addLink(Configuration conf, String src, URI target) Add a link to the config for the default mount table
static void	addLinkFallback(Configuration conf, String mountTableName, URI target) Add a LinkFallback to the config for the specified mount table.
static void	addLinkFallback(Configuration conf, URI target) Add a LinkFallback to the config for the default mount table.
static void	addLinkMerge(Configuration conf, String mountTableName, URI[] targets) Add a LinkMerge to the config for the specified mount table.
static void	addLinkMerge(Configuration conf, URI[] targets) Add a LinkMerge to the config for the default mount table.
static void	addLinkMergeSlash(Configuration conf, String mountTableName, URI target) Add a LinkMergeSlash to the config for the specified mount table.
static void	addLinkMergeSlash(Configuration conf, URI target) Add a LinkMergeSlash to the config for the default mount table.
static void	addLinkNfly(Configuration conf, String mountTableName, String src, String settings, URI... targets)
static void	addLinkNfly(Configuration conf, String src, URI... targets)
static String	getConfigViewFsPrefix() Get the config variable prefix for the default mount table
static String	getConfigViewFsPrefix(String mountTableName) Get the config variable prefix for the specified mount table
static String	getHomeDirValue(Configuration conf) Get the value of the home dir conf value for default mount table
static String	getHomeDirValue(Configuration conf, String mountTableName) Get the value of the home dir conf value for specfied mount table
static void	setHomeDirConf(Configuration conf, String homedir) Add config variable for homedir for default mount table
static void	setHomeDirConf(Configuration conf, String mountTableName, String homedir) Add config variable for homedir the specified mount table

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigUtil

public ConfigUtil()

Method Detail

getConfigViewFsPrefix

public static String getConfigViewFsPrefix(String mountTableName)

Get the config variable prefix for the specified mount table

Parameters:

mountTableName - - the name of the mount table

Returns:

the config variable prefix for the specified mount table

getConfigViewFsPrefix

public static String getConfigViewFsPrefix()

Get the config variable prefix for the default mount table

Returns:

the config variable prefix for the default mount table

addLink

public static void addLink(Configuration conf,
           String mountTableName,
           String src,
           URI target)

Add a link to the config for the specified mount table

Parameters:

conf - - add the link to this conf

mountTableName -

src - - the src path name

target - - the target URI link

addLink

public static void addLink(Configuration conf,
           String src,
           URI target)

Add a link to the config for the default mount table

Parameters:

conf - - add the link to this conf

src - - the src path name

target - - the target URI link

addLinkMergeSlash

public static void addLinkMergeSlash(Configuration conf,
                     String mountTableName,
                     URI target)

Add a LinkMergeSlash to the config for the specified mount table.

Parameters:

conf -

mountTableName -

target -

addLinkMergeSlash

public static void addLinkMergeSlash(Configuration conf,
                     URI target)

Add a LinkMergeSlash to the config for the default mount table.

Parameters:

conf -

target -

addLinkFallback

public static void addLinkFallback(Configuration conf,
                   String mountTableName,
                   URI target)

Add a LinkFallback to the config for the specified mount table.

Parameters:

conf -

mountTableName -

target -

addLinkFallback

public static void addLinkFallback(Configuration conf,
                   URI target)

Add a LinkFallback to the config for the default mount table.

Parameters:

conf -

target -

addLinkMerge

public static void addLinkMerge(Configuration conf,
                String mountTableName,
                URI[] targets)

Add a LinkMerge to the config for the specified mount table.

Parameters:

conf -

mountTableName -

targets -

addLinkMerge

public static void addLinkMerge(Configuration conf,
                URI[] targets)

Add a LinkMerge to the config for the default mount table.

Parameters:

conf -

targets -

addLinkNfly

public static void addLinkNfly(Configuration conf,
               String mountTableName,
               String src,
               String settings,
               URI... targets)

Parameters:

conf -

mountTableName -

src -

settings -

targets -

addLinkNfly

public static void addLinkNfly(Configuration conf,
               String src,
               URI... targets)

setHomeDirConf

public static void setHomeDirConf(Configuration conf,
                  String homedir)

Add config variable for homedir for default mount table

Parameters:

conf - - add to this conf

homedir - - the home dir path starting with slash

setHomeDirConf

public static void setHomeDirConf(Configuration conf,
                  String mountTableName,
                  String homedir)

Add config variable for homedir the specified mount table

Parameters:

conf - - add to this conf

homedir - - the home dir path starting with slash

getHomeDirValue

public static String getHomeDirValue(Configuration conf)

Get the value of the home dir conf value for default mount table

Parameters:

conf - - from this conf

Returns:

home dir value, null if variable is not in conf

getHomeDirValue

public static String getHomeDirValue(Configuration conf,
                     String mountTableName)

Get the value of the home dir conf value for specfied mount table

Parameters:

conf - - from this conf

mountTableName - - the mount table

Returns:

home dir value, null if variable is not in conf