org.apache.flink.runtime.client

Class JobListeningContext

java.lang.Object

org.apache.flink.runtime.client.JobListeningContext

public final class JobListeningContext
extends Object

The JobListeningContext holds the state necessary to monitor a running job and receive its results.

Constructor Summary

Constructors

Constructor and Description
JobListeningContext(org.apache.flink.api.common.JobID jobID, scala.concurrent.Future<Object> jobResultFuture, akka.actor.ActorRef jobClientActor, scala.concurrent.duration.FiniteDuration timeout, akka.actor.ActorSystem actorSystem, org.apache.flink.configuration.Configuration configuration, HighAvailabilityServices highAvailabilityServices) Constructor to use when the class loader is not available.
JobListeningContext(org.apache.flink.api.common.JobID jobID, scala.concurrent.Future<Object> jobResultFuture, akka.actor.ActorRef jobClientActor, scala.concurrent.duration.FiniteDuration timeout, ClassLoader classLoader, HighAvailabilityServices highAvailabilityServices) Constructor to use when the class loader is available.

Method Summary

Modifier and Type	Method and Description
ClassLoader	getClassLoader() The class loader necessary to deserialize the result of a job execution, i.e.
akka.actor.ActorRef	getJobClientActor()
org.apache.flink.api.common.JobID	getJobID()
scala.concurrent.Future<Object>	getJobResultFuture()
scala.concurrent.duration.FiniteDuration	getTimeout()

Methods inherited from class java.lang.Object

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

Constructor Detail

JobListeningContext

public JobListeningContext(org.apache.flink.api.common.JobID jobID,
                           scala.concurrent.Future<Object> jobResultFuture,
                           akka.actor.ActorRef jobClientActor,
                           scala.concurrent.duration.FiniteDuration timeout,
                           ClassLoader classLoader,
                           HighAvailabilityServices highAvailabilityServices)

Constructor to use when the class loader is available.

JobListeningContext

public JobListeningContext(org.apache.flink.api.common.JobID jobID,
                           scala.concurrent.Future<Object> jobResultFuture,
                           akka.actor.ActorRef jobClientActor,
                           scala.concurrent.duration.FiniteDuration timeout,
                           akka.actor.ActorSystem actorSystem,
                           org.apache.flink.configuration.Configuration configuration,
                           HighAvailabilityServices highAvailabilityServices)

Constructor to use when the class loader is not available.

Method Detail

getJobID

public org.apache.flink.api.common.JobID getJobID()

Returns:

The Job ID that this context is bound to.

getJobResultFuture

public scala.concurrent.Future<Object> getJobResultFuture()

Returns:

The Future that eventually holds the result of the execution.

getJobClientActor

public akka.actor.ActorRef getJobClientActor()

Returns:

The Job Client actor which communicates with the JobManager.

getTimeout

public scala.concurrent.duration.FiniteDuration getTimeout()

Returns:

The default timeout of Akka asks

getClassLoader

public ClassLoader getClassLoader()
                           throws JobRetrievalException

The class loader necessary to deserialize the result of a job execution, i.e. JobExecutionResult or Exceptions

Returns:

The class loader for the job id

Throws:

JobRetrievalException - if anything goes wrong