Package org.apache.flink.kubernetes.operator.observer

Class JobStatusObserver<CTX>

java.lang.Object

org.apache.flink.kubernetes.operator.observer.JobStatusObserver<CTX>

public abstract class JobStatusObserver<CTX>
extends java.lang.Object

An observer to observe the job status.

Constructor Summary

Constructors

Constructor	Description
JobStatusObserver(FlinkService flinkService, EventRecorder eventRecorder)

Method Summary

Modifier and Type	Method	Description
protected abstract java.util.Optional<org.apache.flink.runtime.client.JobStatusMessage>	filterTargetJob(JobStatus status, java.util.List<org.apache.flink.runtime.client.JobStatusMessage> clusterJobStatuses)	Filter the target job status message by the job list from the cluster.
boolean	observe(AbstractFlinkResource<?,?> resource, org.apache.flink.configuration.Configuration deployedConfig, CTX ctx)	Observe the status of the flink job.
protected abstract void	onTimeout(CTX ctx)	Callback when list jobs timeout.

Methods inherited from class java.lang.Object

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

Constructor Detail

JobStatusObserver

public JobStatusObserver(FlinkService flinkService,
                         EventRecorder eventRecorder)

Method Detail

observe

public boolean observe(AbstractFlinkResource<?,?> resource,
                       org.apache.flink.configuration.Configuration deployedConfig,
                       CTX ctx)

Observe the status of the flink job.

Parameters:

resource - The custom resource to be observed.

deployedConfig - Deployed job config.

ctx - Observe context.

Returns:

If job found return true, otherwise return false.

onTimeout

protected abstract void onTimeout(CTX ctx)

Callback when list jobs timeout.

Parameters:

ctx - Observe context.

filterTargetJob

protected abstract java.util.Optional<org.apache.flink.runtime.client.JobStatusMessage> filterTargetJob(JobStatus status,
                                                                                                        java.util.List<org.apache.flink.runtime.client.JobStatusMessage> clusterJobStatuses)

Filter the target job status message by the job list from the cluster.

Parameters:

status - the target job status.

clusterJobStatuses - the candidate cluster jobs.

Returns:

The target job status message. If no matched job found, Optional.empty() will be returned.