Package org.apache.hadoop.fs.s3a.auth.delegation

Enum Class S3ADelegationTokens.TokenIssuingPolicy

java.lang.Object

java.lang.Enum<S3ADelegationTokens.TokenIssuingPolicy>

org.apache.hadoop.fs.s3a.auth.delegation.S3ADelegationTokens.TokenIssuingPolicy

All Implemented Interfaces:

Serializable, Comparable<S3ADelegationTokens.TokenIssuingPolicy>, Constable

Enclosing class:

org.apache.hadoop.fs.s3a.auth.delegation.S3ADelegationTokens

public static enum S3ADelegationTokens.TokenIssuingPolicy
extends Enum<S3ADelegationTokens.TokenIssuingPolicy>

How will tokens be issued on request? The RequestNewToken policy does not guarantee that a tokens can be created, only that an attempt will be made to request one. It may fail (wrong credential types, wrong role, etc).

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
NoTokensAvailable	No tokens will be issued.
RequestNewToken	An attempt will be made to request a new DT.
ReturnExistingToken	The existing token will be returned.

Method Summary

Modifier and Type	Method	Description
static S3ADelegationTokens.TokenIssuingPolicy	valueOf(String name)	Returns the enum constant of this class with the specified name.
static S3ADelegationTokens.TokenIssuingPolicy[]	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

ReturnExistingToken

public static final S3ADelegationTokens.TokenIssuingPolicy ReturnExistingToken

The existing token will be returned.

NoTokensAvailable

public static final S3ADelegationTokens.TokenIssuingPolicy NoTokensAvailable

No tokens will be issued.

RequestNewToken

public static final S3ADelegationTokens.TokenIssuingPolicy RequestNewToken

An attempt will be made to request a new DT.

Method Details

values

public static S3ADelegationTokens.TokenIssuingPolicy[] 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 S3ADelegationTokens.TokenIssuingPolicy 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