org.apache.flink.runtime.jobmanager

Class StandaloneJobGraphStore

java.lang.Object

org.apache.flink.runtime.jobmanager.StandaloneJobGraphStore

All Implemented Interfaces:

JobGraphStore, JobGraphWriter

public class StandaloneJobGraphStore
extends Object
implements JobGraphStore

JobGraph instances for JobManagers running in HighAvailabilityMode.NONE.

All operations are NoOps, because JobGraph instances cannot be recovered in this recovery mode.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.jobmanager.JobGraphStore

JobGraphStore.JobGraphListener

Constructor Summary

Constructors

Constructor and Description
StandaloneJobGraphStore()

Method Summary

Modifier and Type	Method and Description
Collection<JobID>	getJobIds() Get all job ids of submitted job graphs to the submitted job graph store.
void	putJobGraph(JobGraph jobGraph) Adds the JobGraph instance.
JobGraph	recoverJobGraph(JobID jobId) Returns the JobGraph with the given JobID or null if no job was registered.
void	releaseJobGraph(JobID jobId) Releases the locks on the specified JobGraph.
void	removeJobGraph(JobID jobId) Removes the JobGraph with the given JobID if it exists.
void	start(JobGraphStore.JobGraphListener jobGraphListener) Starts the JobGraphStore service.
void	stop() Stops the JobGraphStore service.

Methods inherited from class java.lang.Object

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

Constructor Detail

StandaloneJobGraphStore

public StandaloneJobGraphStore()

Method Detail

start

public void start(JobGraphStore.JobGraphListener jobGraphListener)
           throws Exception

Description copied from interface: JobGraphStore

Starts the JobGraphStore service.

Specified by:

start in interface JobGraphStore

Throws:

Exception

stop

public void stop()

Description copied from interface: JobGraphStore

Stops the JobGraphStore service.

Specified by:

stop in interface JobGraphStore

putJobGraph

public void putJobGraph(JobGraph jobGraph)

Description copied from interface: JobGraphWriter

Adds the JobGraph instance.

If a job graph with the same JobID exists, it is replaced.

Specified by:

putJobGraph in interface JobGraphWriter

removeJobGraph

public void removeJobGraph(JobID jobId)

Description copied from interface: JobGraphWriter

Removes the JobGraph with the given JobID if it exists.

Specified by:

removeJobGraph in interface JobGraphWriter

releaseJobGraph

public void releaseJobGraph(JobID jobId)

Description copied from interface: JobGraphWriter

Releases the locks on the specified JobGraph.

Releasing the locks allows that another instance can delete the job from the JobGraphStore.

Specified by:

releaseJobGraph in interface JobGraphWriter

Parameters:

jobId - specifying the job to release the locks for

getJobIds

public Collection<JobID> getJobIds()

Description copied from interface: JobGraphStore

Get all job ids of submitted job graphs to the submitted job graph store.

Specified by:

getJobIds in interface JobGraphStore

Returns:

Collection of submitted job ids

recoverJobGraph

public JobGraph recoverJobGraph(JobID jobId)

Description copied from interface: JobGraphStore

Returns the JobGraph with the given JobID or null if no job was registered.

Specified by:

recoverJobGraph in interface JobGraphStore