Package org.apache.hadoop.fs.azurebfs.security

Class AbfsDtFetcher

java.lang.Object

org.apache.hadoop.fs.azurebfs.security.AbfsDtFetcher

All Implemented Interfaces:

org.apache.hadoop.security.token.DtFetcher

Direct Known Subclasses:

AbfssDtFetcher

public class AbfsDtFetcher
extends java.lang.Object
implements org.apache.hadoop.security.token.DtFetcher

A DT fetcher for Abfs. This is a copy-and-paste of org.apache.hadoop.hdfs.HdfsDtFetcher. It is needed for the `hadoop dtutil` command.

Constructor Summary

Constructors

Constructor	Description
AbfsDtFetcher()

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.security.token.Token<?>	addDelegationTokens(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.security.Credentials creds, java.lang.String renewer, java.lang.String url)	Returns Token object via FileSystem, null if bad argument.
protected java.lang.String	getScheme()	Get the scheme for this specific fetcher.
org.apache.hadoop.io.Text	getServiceName()	Returns the service name for the scheme..
boolean	isTokenRequired()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbfsDtFetcher

public AbfsDtFetcher()

Method Detail

getServiceName

public org.apache.hadoop.io.Text getServiceName()

Returns the service name for the scheme..

Specified by:

getServiceName in interface org.apache.hadoop.security.token.DtFetcher

getScheme

protected java.lang.String getScheme()

Get the scheme for this specific fetcher.

Returns:

a scheme.

isTokenRequired

public boolean isTokenRequired()

Specified by:

isTokenRequired in interface org.apache.hadoop.security.token.DtFetcher

addDelegationTokens

public org.apache.hadoop.security.token.Token<?> addDelegationTokens(org.apache.hadoop.conf.Configuration conf,
                                                                     org.apache.hadoop.security.Credentials creds,
                                                                     java.lang.String renewer,
                                                                     java.lang.String url)
                                                              throws java.lang.Exception

Returns Token object via FileSystem, null if bad argument.

Specified by:

addDelegationTokens in interface org.apache.hadoop.security.token.DtFetcher

Parameters:

conf - - a Configuration object used with FileSystem.get()

creds - - a Credentials object to which token(s) will be added

renewer - - the renewer to send with the token request

url - - the URL to which the request is sent

Returns:

a Token, or null if fetch fails.

Throws:

java.lang.Exception