org.apache.flink.runtime.resourcemanager

类 DefaultJobLeaderIdService

java.lang.Object

org.apache.flink.runtime.resourcemanager.DefaultJobLeaderIdService

所有已实现的接口:

JobLeaderIdService

public class DefaultJobLeaderIdService
extends Object
implements JobLeaderIdService

Service which retrieves for a registered job the current job leader id (the leader id of the job manager responsible for the job). The leader id will be exposed as a future via the getLeaderId(JobID). The future will only be completed with an exception in case the service will be stopped.

构造器概要

构造器

构造器和说明
DefaultJobLeaderIdService(HighAvailabilityServices highAvailabilityServices, org.apache.flink.util.concurrent.ScheduledExecutor scheduledExecutor, org.apache.flink.api.common.time.Time jobTimeout)

方法概要

限定符和类型	方法和说明
void	addJob(org.apache.flink.api.common.JobID jobId) Add a job to be monitored to retrieve the job leader id.
void	clear() Stop and clear the currently registered job leader id listeners.
boolean	containsJob(org.apache.flink.api.common.JobID jobId) Check whether the given job is being monitored or not.
CompletableFuture<JobMasterId>	getLeaderId(org.apache.flink.api.common.JobID jobId) Get the leader's JobMasterId future for the given job.
boolean	isStarted() Checks whether the service has been started.
boolean	isValidTimeout(org.apache.flink.api.common.JobID jobId, UUID timeoutId) Checks whether the given timeoutId for the given jobId is valid or not.
void	removeJob(org.apache.flink.api.common.JobID jobId) Remove the given job from being monitored by the service.
void	start(JobLeaderIdActions initialJobLeaderIdActions) Start the service with the given job leader actions.
void	stop() Stop the service.

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

DefaultJobLeaderIdService

public DefaultJobLeaderIdService(HighAvailabilityServices highAvailabilityServices,
                                 org.apache.flink.util.concurrent.ScheduledExecutor scheduledExecutor,
                                 org.apache.flink.api.common.time.Time jobTimeout)

方法详细资料

start

public void start(JobLeaderIdActions initialJobLeaderIdActions)
           throws Exception

从接口复制的说明: JobLeaderIdService

Start the service with the given job leader actions.

指定者:

start 在接口中 JobLeaderIdService

参数:

initialJobLeaderIdActions - to use for job leader id actions

抛出:

Exception - which is thrown when clearing up old state

stop

public void stop()
          throws Exception

从接口复制的说明: JobLeaderIdService

Stop the service.

指定者:

stop 在接口中 JobLeaderIdService

抛出:

Exception - which is thrown in case a retrieval service cannot be stopped properly

isStarted

public boolean isStarted()

Checks whether the service has been started.

返回:

True if the service has been started; otherwise false

clear

public void clear()
           throws Exception

从接口复制的说明: JobLeaderIdService

Stop and clear the currently registered job leader id listeners.

指定者:

clear 在接口中 JobLeaderIdService

抛出:

Exception - which is thrown in case a retrieval service cannot be stopped properly

addJob

public void addJob(org.apache.flink.api.common.JobID jobId)
            throws Exception

从接口复制的说明: JobLeaderIdService

Add a job to be monitored to retrieve the job leader id.

指定者:

addJob 在接口中 JobLeaderIdService

参数:

jobId - identifying the job to monitor

抛出:

Exception - if the job could not be added to the service

removeJob

public void removeJob(org.apache.flink.api.common.JobID jobId)
               throws Exception

从接口复制的说明: JobLeaderIdService

Remove the given job from being monitored by the service.

指定者:

removeJob 在接口中 JobLeaderIdService

参数:

jobId - identifying the job to remove from monitor

抛出:

Exception - if removing the job fails

containsJob

public boolean containsJob(org.apache.flink.api.common.JobID jobId)

从接口复制的说明: JobLeaderIdService

Check whether the given job is being monitored or not.

指定者:

containsJob 在接口中 JobLeaderIdService

参数:

jobId - identifying the job

返回:

True if the job is being monitored; otherwise false

getLeaderId

public CompletableFuture<JobMasterId> getLeaderId(org.apache.flink.api.common.JobID jobId)
                                           throws Exception

从接口复制的说明: JobLeaderIdService

Get the leader's JobMasterId future for the given job.

指定者:

getLeaderId 在接口中 JobLeaderIdService

参数:

jobId - jobId specifying for which job to retrieve the JobMasterId

返回:

Future with the current leader's JobMasterId

抛出:

Exception - if retrieving the JobMasterId cannot be started

isValidTimeout

public boolean isValidTimeout(org.apache.flink.api.common.JobID jobId,
                              UUID timeoutId)

从接口复制的说明: JobLeaderIdService

Checks whether the given timeoutId for the given jobId is valid or not.

指定者:

isValidTimeout 在接口中 JobLeaderIdService

参数:

jobId - jobId identifying the job for which the timeout should be checked

timeoutId - timeoutId specifying the timeout which should be checked for its validity

返回:

true if the timeout is valid; otherwise false