Package com.norconex.crawler.fs.fetch.impl.hdfs

Enum Class HdfsAuthMethod

java.lang.Object

java.lang.Enum<HdfsAuthMethod>

com.norconex.crawler.fs.fetch.impl.hdfs.HdfsAuthMethod

All Implemented Interfaces:

Serializable, Comparable<HdfsAuthMethod>, Constable

public enum HdfsAuthMethod
extends Enum<HdfsAuthMethod>

WebHDFS authentication methods.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
KERBEROS	Kerberos/SPNEGO authentication, for clusters with hadoop.security.authentication=kerberos.
SIMPLE	No real authentication: the configured username, if any, is sent as the user.name query parameter.

Method Summary

Modifier and Type	Method	Description
static HdfsAuthMethod	valueOf(String name)	Returns the enum constant of this class with the specified name.
static HdfsAuthMethod[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

SIMPLE

public static final HdfsAuthMethod SIMPLE

No real authentication: the configured username, if any, is sent as the user.name query parameter. This is how an unsecured (non-Kerberized) HDFS cluster identifies the caller.

KERBEROS

public static final HdfsAuthMethod KERBEROS

Kerberos/SPNEGO authentication, for clusters with hadoop.security.authentication=kerberos. Requires a KerberosConfig.

Method Details

values

public static HdfsAuthMethod[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static HdfsAuthMethod valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null