org.apache.flink.runtime.highavailability.zookeeper

Class ZooKeeperRunningJobsRegistry

java.lang.Object

org.apache.flink.runtime.highavailability.zookeeper.ZooKeeperRunningJobsRegistry

All Implemented Interfaces:

RunningJobsRegistry

public class ZooKeeperRunningJobsRegistry
extends Object
implements RunningJobsRegistry

A zookeeper based registry for running jobs, highly available.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.highavailability.RunningJobsRegistry

RunningJobsRegistry.JobSchedulingStatus

Constructor Summary

Constructors

Constructor and Description
ZooKeeperRunningJobsRegistry(org.apache.curator.framework.CuratorFramework client, org.apache.flink.configuration.Configuration configuration)

Method Summary

Modifier and Type	Method and Description
void	clearJob(org.apache.flink.api.common.JobID jobID) Clear job state form the registry, usually called after job finish.
RunningJobsRegistry.JobSchedulingStatus	getJobSchedulingStatus(org.apache.flink.api.common.JobID jobID) Gets the scheduling status of a job.
void	setJobFinished(org.apache.flink.api.common.JobID jobID) Marks a job as completed.
void	setJobRunning(org.apache.flink.api.common.JobID jobID) Marks a job as running.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZooKeeperRunningJobsRegistry

public ZooKeeperRunningJobsRegistry(org.apache.curator.framework.CuratorFramework client,
                                    org.apache.flink.configuration.Configuration configuration)

Method Detail

setJobRunning

public void setJobRunning(org.apache.flink.api.common.JobID jobID)
                   throws IOException

Description copied from interface: RunningJobsRegistry

Marks a job as running. Requesting the job's status via the RunningJobsRegistry.getJobSchedulingStatus(JobID) method will return RunningJobsRegistry.JobSchedulingStatus.RUNNING.

Specified by:

setJobRunning in interface RunningJobsRegistry

Parameters:

jobID - The id of the job.

Throws:

IOException - Thrown when the communication with the highly-available storage or registry failed and could not be retried.

setJobFinished

public void setJobFinished(org.apache.flink.api.common.JobID jobID)
                    throws IOException

Description copied from interface: RunningJobsRegistry

Marks a job as completed. Requesting the job's status via the RunningJobsRegistry.getJobSchedulingStatus(JobID) method will return RunningJobsRegistry.JobSchedulingStatus.DONE.

Specified by:

setJobFinished in interface RunningJobsRegistry

Parameters:

jobID - The id of the job.

Throws:

IOException - Thrown when the communication with the highly-available storage or registry failed and could not be retried.

getJobSchedulingStatus

public RunningJobsRegistry.JobSchedulingStatus getJobSchedulingStatus(org.apache.flink.api.common.JobID jobID)
                                                               throws IOException

Description copied from interface: RunningJobsRegistry

Gets the scheduling status of a job.

Specified by:

getJobSchedulingStatus in interface RunningJobsRegistry

Parameters:

jobID - The id of the job to check.

Returns:

The job scheduling status.

Throws:

IOException - Thrown when the communication with the highly-available storage or registry failed and could not be retried.

clearJob

public void clearJob(org.apache.flink.api.common.JobID jobID)
              throws IOException

Description copied from interface: RunningJobsRegistry

Clear job state form the registry, usually called after job finish.

Specified by:

clearJob in interface RunningJobsRegistry

Parameters:

jobID - The id of the job to check.

Throws:

IOException - Thrown when the communication with the highly-available storage or registry failed and could not be retried.