org.apache.flink.runtime.security.token

类 HadoopFSDelegationTokenProvider

java.lang.Object

org.apache.flink.runtime.security.token.HadoopFSDelegationTokenProvider

所有已实现的接口:

DelegationTokenProvider

@Experimental
public class HadoopFSDelegationTokenProvider
extends Object
implements DelegationTokenProvider

Delegation token provider for Hadoop filesystems.

构造器概要

构造器

构造器和说明
HadoopFSDelegationTokenProvider()

方法概要

限定符和类型	方法和说明
boolean	delegationTokensRequired() Return whether delegation tokens are required for this service.
void	init(org.apache.flink.configuration.Configuration configuration) Called by DelegationTokenManager to initialize provider after construction.
Optional<Long>	obtainDelegationTokens(org.apache.hadoop.security.Credentials credentials) Obtain delegation tokens for this service.
protected void	obtainDelegationTokens(String renewer, Set<org.apache.hadoop.fs.FileSystem> fileSystemsToAccess, org.apache.hadoop.security.Credentials credentials)
String	serviceName() Name of the service to provide delegation tokens.

从类继承的方法 java.lang.Object

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

构造器详细资料

HadoopFSDelegationTokenProvider

public HadoopFSDelegationTokenProvider()

方法详细资料

serviceName

public String serviceName()

从接口复制的说明: DelegationTokenProvider

Name of the service to provide delegation tokens. This name should be unique.

指定者:

serviceName 在接口中 DelegationTokenProvider

init

public void init(org.apache.flink.configuration.Configuration configuration)
          throws Exception

从接口复制的说明: DelegationTokenProvider

Called by DelegationTokenManager to initialize provider after construction.

指定者:

init 在接口中 DelegationTokenProvider

参数:

configuration - Configuration to initialize the provider.

抛出:

Exception

delegationTokensRequired

public boolean delegationTokensRequired()
                                 throws Exception

从接口复制的说明: DelegationTokenProvider

Return whether delegation tokens are required for this service.

指定者:

delegationTokensRequired 在接口中 DelegationTokenProvider

返回:

true if delegation tokens are required.

抛出:

Exception

obtainDelegationTokens

public Optional<Long> obtainDelegationTokens(org.apache.hadoop.security.Credentials credentials)
                                      throws Exception

从接口复制的说明: DelegationTokenProvider

Obtain delegation tokens for this service.

指定者:

obtainDelegationTokens 在接口中 DelegationTokenProvider

参数:

credentials - Credentials to add tokens and security keys to.

返回:

If the returned tokens are renewable and can be renewed, return the time of the next renewal, otherwise `Optional.empty()` should be returned.

抛出:

Exception

obtainDelegationTokens

protected void obtainDelegationTokens(@Nullable
                                      String renewer,
                                      Set<org.apache.hadoop.fs.FileSystem> fileSystemsToAccess,
                                      org.apache.hadoop.security.Credentials credentials)