alluxio.worker.job

Interface JobMasterClient

All Superinterfaces:

java.lang.AutoCloseable, Client, java.io.Closeable

All Known Implementing Classes:

RetryHandlingJobMasterClient

public interface JobMasterClient
extends Client

Interface for job service workers to communicate with the job master.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	JobMasterClient.Factory Factory for JobMasterClient.

Method Summary

Modifier and Type	Method and Description
java.util.List<JobCommand>	heartbeat(JobWorkerHealth jobWorkerHealth, java.util.List<JobInfo> taskInfoList) Periodic heartbeats to update the tasks' status from a worker, and returns the commands.
long	registerWorker(WorkerNetAddress address) Returns a worker id for a workers net address.

Methods inherited from interface alluxio.Client

connect, disconnect, getAddress, getConfAddress, isClosed, isConnected

Methods inherited from interface java.io.Closeable

close

Method Detail

registerWorker

long registerWorker(WorkerNetAddress address)
             throws java.io.IOException,
                    ConnectionFailedException

Returns a worker id for a workers net address.

Parameters:

address - the net address to get a worker id for

Returns:

a worker id

Throws:

ConnectionFailedException - if network connection failed

java.io.IOException - if an I/O error occurs

heartbeat

java.util.List<JobCommand> heartbeat(JobWorkerHealth jobWorkerHealth,
                                     java.util.List<JobInfo> taskInfoList)
                              throws AlluxioException,
                                     java.io.IOException

Periodic heartbeats to update the tasks' status from a worker, and returns the commands.

Parameters:

jobWorkerHealth - the job worker info

taskInfoList - the list of the task information

Returns:

the commands issued to the worker

Throws:

AlluxioException - if an Alluxio error occurs

java.io.IOException - if an I/O error occurs