com.netflix.genie.web.tasks.job

Class JobMonitor

java.lang.Object

com.netflix.genie.web.tasks.GenieTask

com.netflix.genie.web.tasks.node.NodeTask

com.netflix.genie.web.tasks.job.JobMonitor

All Implemented Interfaces:

java.lang.Runnable

public class JobMonitor
extends NodeTask

Given a process id this class will check if the job client process is running or not.

Since:

3.0.0

Constructor Summary

Constructors

Constructor and Description

JobMonitor(com.netflix.genie.common.dto.JobExecution execution, java.io.File stdOut, java.io.File stdErr, org.apache.commons.exec.Executor executor, org.springframework.context.ApplicationEventPublisher publisher, org.springframework.context.event.ApplicationEventMulticaster eventMulticaster, com.netflix.spectator.api.Registry registry, com.netflix.genie.core.properties.JobsProperties jobsProperties) Constructor.

Method Summary

Modifier and Type	Method and Description
long	getFixedDelay() Get how long the system should wait between invoking the run() method of this task in milliseconds after the last successful run of the task.
GenieTaskScheduleType	getScheduleType() Get the type of scheduling mechanism which should be used to schedule this task.
void	run() This will check the process identified by the pid supplied to the constructor.

Methods inherited from class com.netflix.genie.web.tasks.GenieTask

getFixedRate, getTrigger

Methods inherited from class java.lang.Object

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

Constructor Detail

JobMonitor

public JobMonitor(com.netflix.genie.common.dto.JobExecution execution,
                  @NotNull
                  java.io.File stdOut,
                  @NotNull
                  java.io.File stdErr,
                  @NotNull
                  org.apache.commons.exec.Executor executor,
                  @NotNull
                  org.springframework.context.ApplicationEventPublisher publisher,
                  @NotNull
                  org.springframework.context.event.ApplicationEventMulticaster eventMulticaster,
                  @NotNull
                  com.netflix.spectator.api.Registry registry,
                  @NotNull
                  com.netflix.genie.core.properties.JobsProperties jobsProperties)

Constructor.

Parameters:

execution - The job execution object including the pid

stdOut - The std out output file

stdErr - The std err output file

executor - The process executor to use

publisher - The event publisher to use when a job isn't running anymore

eventMulticaster - The multicaster to send async events

registry - The metrics event registry

jobsProperties - The properties for jobs

Method Detail

run

public void run()

This will check the process identified by the pid supplied to the constructor. If the pid no longer exists fires an event to the system saying the job is done.

getScheduleType

public GenieTaskScheduleType getScheduleType()

Get the type of scheduling mechanism which should be used to schedule this task.

Specified by:

getScheduleType in class GenieTask

Returns:

The schedule type

getFixedDelay

public long getFixedDelay()

Get how long the system should wait between invoking the run() method of this task in milliseconds after the last successful run of the task.

Overrides:

getFixedDelay in class GenieTask

Returns:

The time to delay between task completions