io.ray.streaming.runtime.worker.tasks

Class StreamTask

java.lang.Object

io.ray.streaming.runtime.worker.tasks.StreamTask

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

InputStreamTask, SourceStreamTask

public abstract class StreamTask
extends Object
implements Runnable

Field Summary

Fields

Modifier and Type	Field and Description
protected JobWorker	jobWorker
protected Processor	processor
protected DataReader	reader
protected boolean	running
protected boolean	stopped
protected int	taskId

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StreamTask(int taskId, Processor processor, JobWorker jobWorker)

Method Summary

Modifier and Type	Method and Description
protected abstract void	cancelTask() Stop running tasks.
void	close() Close running tasks.
protected abstract void	init() Task initialization related work.
void	start()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Runnable

run

Field Detail

taskId

protected int taskId

processor

protected Processor processor

jobWorker

protected JobWorker jobWorker

reader

protected DataReader reader

running

protected volatile boolean running

stopped

protected volatile boolean stopped

Constructor Detail

StreamTask

protected StreamTask(int taskId,
                     Processor processor,
                     JobWorker jobWorker)

Method Detail

init

protected abstract void init()
                      throws Exception

Task initialization related work.

Throws:

Exception

cancelTask

protected abstract void cancelTask()
                            throws Exception

Stop running tasks.

Throws:

Exception

start

public void start()

close

public void close()

Close running tasks.