com.netflix.genie.core.services.impl

Class JobStateServiceImpl

java.lang.Object

com.netflix.genie.core.services.impl.JobStateServiceImpl

All Implemented Interfaces:

JobMetricsService, JobStateService

Direct Known Subclasses:

JobMonitoringCoordinator

public class JobStateServiceImpl
extends java.lang.Object
implements JobStateService

A Service to monitor the state of locally run jobs.

Since:

3.0.0

Field Summary

Fields

Modifier and Type	Field and Description
protected GenieEventBus	genieEventBus
protected com.netflix.spectator.api.Registry	registry
protected org.springframework.scheduling.TaskScheduler	scheduler

Constructor Summary

Constructors

Constructor and Description
JobStateServiceImpl(JobSubmitterService jobSubmitterService, org.springframework.scheduling.TaskScheduler scheduler, GenieEventBus genieEventBus, com.netflix.spectator.api.Registry registry) Constructor.

Method Summary

Modifier and Type	Method and Description
void	done(java.lang.String jobId) Called when the job is done.
int	getNumActiveJobs() Get the number of jobs active on this node.
int	getUsedMemory() Get the amount of memory currently used by jobs in MB.
void	init(java.lang.String jobId) Initialize the job.
boolean	jobExists(java.lang.String jobId) Returns true if the job exists locally.
void	schedule(java.lang.String jobId, JobRequest jobRequest, Cluster cluster, Command command, java.util.List<Application> applications, int memory) Schedules the job.
protected void	setMemoryAndTask(java.lang.String jobId, int memory, java.util.concurrent.Future<?> task)

Methods inherited from class java.lang.Object

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

Field Detail

scheduler

protected final org.springframework.scheduling.TaskScheduler scheduler

registry

protected final com.netflix.spectator.api.Registry registry

genieEventBus

protected final GenieEventBus genieEventBus

Constructor Detail

JobStateServiceImpl

public JobStateServiceImpl(JobSubmitterService jobSubmitterService,
                           org.springframework.scheduling.TaskScheduler scheduler,
                           GenieEventBus genieEventBus,
                           com.netflix.spectator.api.Registry registry)

Constructor.

Parameters:

jobSubmitterService - implementation of the job submitter service

scheduler - The task scheduler to use to register scheduling of job checkers

genieEventBus - The event bus to use to publish events

registry - The metrics registry

Method Detail

init

public void init(java.lang.String jobId)

Initialize the job.

Specified by:

init in interface JobStateService

Parameters:

jobId - job id

schedule

public void schedule(java.lang.String jobId,
                     JobRequest jobRequest,
                     Cluster cluster,
                     Command command,
                     java.util.List<Application> applications,
                     int memory)

Schedules the job.

Specified by:

schedule in interface JobStateService

Parameters:

jobId - job id

jobRequest - job request

cluster - cluster for the job request based on the tags specified

command - command for the job request based on command tags and cluster chosen

applications - applications to use based on the command that was selected

memory - job memory

done

public void done(java.lang.String jobId)
          throws GenieException

Called when the job is done.

Specified by:

done in interface JobStateService

Parameters:

jobId - job id

Throws:

GenieException - on unrecoverable error

jobExists

public boolean jobExists(java.lang.String jobId)

Returns true if the job exists locally.

Specified by:

jobExists in interface JobStateService

Parameters:

jobId - job id

Returns:

true if job exists

setMemoryAndTask

protected void setMemoryAndTask(java.lang.String jobId,
                                int memory,
                                java.util.concurrent.Future<?> task)

getNumActiveJobs

public int getNumActiveJobs()

Get the number of jobs active on this node.

Specified by:

getNumActiveJobs in interface JobMetricsService

Returns:

The number of jobs currently active on this node

getUsedMemory

public int getUsedMemory()

Get the amount of memory currently used by jobs in MB.

Specified by:

getUsedMemory in interface JobMetricsService

Returns:

The total memory used by jobs in megabytes