org.apache.hadoop.security.token

クラス TokenIdentifier

java.lang.Object

org.apache.hadoop.security.token.TokenIdentifier

すべての実装されたインタフェース:

Writable

直系の既知のサブクラス:

org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier, AMRMTokenIdentifier, ClientToAMTokenIdentifier, ContainerTokenIdentifier, NMTokenIdentifier

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public abstract class TokenIdentifier
extends Object
implements Writable

An identifier that identifies a token, may contain public information about a token, including its kind (or type).

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
TokenIdentifier()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
byte[]	getBytes() Get the bytes for the token identifier
abstract Text	getKind() Get the token kind
String	getTrackingId() Returns a tracking identifier that can be used to associate usages of a token across multiple client sessions.
abstract org.apache.hadoop.security.UserGroupInformation	getUser() Get the Ugi with the username encoded in the token identifier

クラスから継承されたメソッド java.lang.Object

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

インタフェースから継承されたメソッド org.apache.hadoop.io.Writable

readFields, write

コンストラクタの詳細

TokenIdentifier

public TokenIdentifier()

メソッドの詳細

getKind

public abstract Text getKind()

Get the token kind

戻り値:

the kind of the token

getUser

public abstract org.apache.hadoop.security.UserGroupInformation getUser()

Get the Ugi with the username encoded in the token identifier

戻り値:

the username. null is returned if username in the identifier is empty or null.

getBytes

public byte[] getBytes()

Get the bytes for the token identifier

戻り値:

the bytes of the identifier

getTrackingId

public String getTrackingId()

Returns a tracking identifier that can be used to associate usages of a token across multiple client sessions. Currently, this function just returns an MD5 of {getBytes().

戻り値:

tracking identifier