Package org.apache.flink.runtime.taskexecutor

Class DefaultJobTable

java.lang.Object

org.apache.flink.runtime.taskexecutor.DefaultJobTable

All Implemented Interfaces:

AutoCloseable, JobTable

public final class DefaultJobTable
extends Object
implements JobTable

Default implementation of the JobTable.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.taskexecutor.JobTable

JobTable.Connection, JobTable.Job, JobTable.JobServices

Method Summary

Modifier and Type	Method	Description
void	close()
static DefaultJobTable	create()
Optional<JobTable.Connection>	getConnection(JobID jobId)	Gets the connection registered under jobId.
Optional<JobTable.Connection>	getConnection(ResourceID resourceId)	Gets the connection registered under resourceId.
Optional<JobTable.Job>	getJob(JobID jobId)	Gets the job registered under jobId.
Collection<JobTable.Job>	getJobs()	Gets all registered jobs.
<E extends Exception> JobTable.Job	getOrCreateJob(JobID jobId, SupplierWithException<? extends JobTable.JobServices,E> jobServicesSupplier)	Gets a registered JobTable.Job or creates one if not present.
boolean	isEmpty()	Returns true if the job table does not contain any jobs.

Methods inherited from class java.lang.Object

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

Method Detail

getOrCreateJob

public <E extends Exception> JobTable.Job getOrCreateJob(JobID jobId,
                                                         SupplierWithException<? extends JobTable.JobServices,E> jobServicesSupplier)
                                                  throws E extends Exception

Description copied from interface: JobTable

Gets a registered JobTable.Job or creates one if not present.

Specified by:

getOrCreateJob in interface JobTable

Parameters:

jobId - jobId identifies the job to get

jobServicesSupplier - jobServicesSupplier create new JobTable.JobServices if a new job needs to be created

Returns:

the current job (existing or created) registered under jobId

Throws:

E - if the job services could not be created

E extends Exception

getJob

public Optional<JobTable.Job> getJob(JobID jobId)

Description copied from interface: JobTable

Gets the job registered under jobId.

Specified by:

getJob in interface JobTable

Parameters:

jobId - jobId identifying the job to get

Returns:

an Optional containing the JobTable.Job registered under jobId, or an empty Optional if no job has been registered

getConnection

public Optional<JobTable.Connection> getConnection(JobID jobId)

Description copied from interface: JobTable

Gets the connection registered under jobId.

Specified by:

getConnection in interface JobTable

Parameters:

jobId - jobId identifying the connection to get

Returns:

an Optional containing the JobTable.Connection registered under jobId, or an empty Optional if no connection has been registered (this could also mean that a job which has not been connected exists)

getConnection

public Optional<JobTable.Connection> getConnection(ResourceID resourceId)

Description copied from interface: JobTable

Gets the connection registered under resourceId.

Specified by:

getConnection in interface JobTable

Parameters:

resourceId - resourceId identifying the connection to get

Returns:

an Optional containing the JobTable.Connection registered under resourceId, or an empty Optional if no connection has been registered

getJobs

public Collection<JobTable.Job> getJobs()

Description copied from interface: JobTable

Gets all registered jobs.

Specified by:

getJobs in interface JobTable

Returns:

collection of registered jobs

isEmpty

public boolean isEmpty()

Description copied from interface: JobTable

Returns true if the job table does not contain any jobs.

Specified by:

isEmpty in interface JobTable

Returns:

true if the job table does not contain any jobs, otherwise false

create

public static DefaultJobTable create()

close

public void close()

Specified by:

close in interface AutoCloseable