org.apache.reef.examples.library

Class ShellTask

java.lang.Object

org.apache.reef.examples.library.ShellTask

All Implemented Interfaces:

Task

public final class ShellTask
extends Object
implements Task

Execute command, capture its stdout, and return that string to the job driver.

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	call(byte[] memento) Execute the shell command and return the result, which is sent back to the JobDriver and surfaced in the CompletedTask object.

Methods inherited from class java.lang.Object

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

Method Detail

call

public byte[] call(byte[] memento)

Execute the shell command and return the result, which is sent back to the JobDriver and surfaced in the CompletedTask object.

Specified by:

call in interface Task

Parameters:

memento - ignored.

Returns:

byte string containing the stdout from executing the shell command.