alluxio.job.meta

Class JobInfo

java.lang.Object

alluxio.job.meta.JobInfo

All Implemented Interfaces:

java.lang.Comparable<JobInfo>

@ThreadSafe
public final class JobInfo
extends java.lang.Object
implements java.lang.Comparable<JobInfo>

The job information used by the job master internally.

Constructor Summary

Constructors

Constructor and Description
JobInfo(long id, JobConfig jobConfig, com.google.common.base.Function<JobInfo,java.lang.Void> statusChangeCallback) Creates a new instance of JobInfo.

Method Summary

Modifier and Type	Method and Description
void	addTask(int taskId) Registers a task.
int	compareTo(JobInfo other) This method orders jobs using the time their status was last modified.
java.lang.String	getErrorMessage()
long	getId()
JobConfig	getJobConfig()
long	getLastStatusChangeMs()
java.lang.String	getResult()
Status	getStatus()
java.util.List<java.lang.Integer>	getTaskIdList()
TaskInfo	getTaskInfo(int taskId)
java.util.List<TaskInfo>	getTaskInfoList()
void	setErrorMessage(java.lang.String errorMessage)
void	setResult(java.lang.String result)
void	setStatus(Status status)
void	setTaskInfo(int taskId, TaskInfo taskInfo) Sets the information of a task.

Methods inherited from class java.lang.Object

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

Constructor Detail

JobInfo

public JobInfo(long id,
               JobConfig jobConfig,
               com.google.common.base.Function<JobInfo,java.lang.Void> statusChangeCallback)

Creates a new instance of JobInfo.

Parameters:

id - the job id

jobConfig - the job configuration

statusChangeCallback - the callback to invoke upon status change

Method Detail

compareTo

public int compareTo(JobInfo other)

This method orders jobs using the time their status was last modified.

Specified by:

compareTo in interface java.lang.Comparable<JobInfo>

addTask

public void addTask(int taskId)

Registers a task.

Parameters:

taskId - the task id

getId

public long getId()

Returns:

the job id

getJobConfig

public JobConfig getJobConfig()

Returns:

the job configuration

getLastStatusChangeMs

public long getLastStatusChangeMs()

Returns:

the time when the job status was last changed (in milliseconds)

setErrorMessage

public void setErrorMessage(java.lang.String errorMessage)

Parameters:

errorMessage - the error message

getErrorMessage

public java.lang.String getErrorMessage()

Returns:

the error message

getTaskInfo

public TaskInfo getTaskInfo(int taskId)

Parameters:

taskId - the task ID to get the task info for

Returns:

the task info, or null if the task ID doesn't exist

setTaskInfo

public void setTaskInfo(int taskId,
                        TaskInfo taskInfo)

Sets the information of a task.

Parameters:

taskId - the task id

taskInfo - the task information

getTaskIdList

public java.util.List<java.lang.Integer> getTaskIdList()

Returns:

the list of task ids

setStatus

public void setStatus(Status status)

Parameters:

status - the job status

getStatus

public Status getStatus()

Returns:

the status of the job

setResult

public void setResult(java.lang.String result)

Parameters:

result - the joined job result

getResult

public java.lang.String getResult()

Returns:

the result of the job

getTaskInfoList

public java.util.List<TaskInfo> getTaskInfoList()

Returns:

the list of task information