org.apache.hadoop.hdfs.web.oauth2

クラス AccessTokenTimer

java.lang.Object

org.apache.hadoop.hdfs.web.oauth2.AccessTokenTimer

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public class AccessTokenTimer
extends Object

Access tokens generally expire. This timer helps keep track of that.

フィールドのサマリー

フィールド

修飾子とタイプ	フィールドと説明
static long	EXPIRE_BUFFER_MS

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
AccessTokenTimer()
AccessTokenTimer(org.apache.hadoop.util.Timer timer)

メソッドのサマリー

修飾子とタイプ	メソッドと説明
long	getNextRefreshMSSinceEpoch() Get next time we should refresh the token.
void	setExpiresIn(String expiresIn) Set when the access token will expire as reported by the oauth server, ie in seconds from now.
void	setExpiresInMSSinceEpoch(String expiresInMSSinceEpoch) Set when the access token will expire in milliseconds from epoch, as required by the WebHDFS configuration.
boolean	shouldRefresh() Return true if the current token has expired or will expire within the EXPIRE_BUFFER_MS (to give ample wiggle room for the call to be made to the server).

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

フィールドの詳細

EXPIRE_BUFFER_MS

public static final long EXPIRE_BUFFER_MS

関連項目:

定数フィールド値

コンストラクタの詳細

AccessTokenTimer

public AccessTokenTimer()

AccessTokenTimer

public AccessTokenTimer(org.apache.hadoop.util.Timer timer)

パラメータ:

timer - Timer instance for unit testing

メソッドの詳細

setExpiresIn

public void setExpiresIn(String expiresIn)

Set when the access token will expire as reported by the oauth server, ie in seconds from now.

パラメータ:

expiresIn - Access time expiration as reported by OAuth server

setExpiresInMSSinceEpoch

public void setExpiresInMSSinceEpoch(String expiresInMSSinceEpoch)

Set when the access token will expire in milliseconds from epoch, as required by the WebHDFS configuration. This is a bit hacky and lame.

パラメータ:

expiresInMSSinceEpoch - Access time expiration in ms since epoch.

getNextRefreshMSSinceEpoch

public long getNextRefreshMSSinceEpoch()

Get next time we should refresh the token.

戻り値:

Next time since epoch we'll need to refresh the token.

shouldRefresh

public boolean shouldRefresh()

Return true if the current token has expired or will expire within the EXPIRE_BUFFER_MS (to give ample wiggle room for the call to be made to the server).