alluxio.hub.agent.util.process

Class ProcessLauncher

java.lang.Object

alluxio.hub.agent.util.process.ProcessLauncher

public class ProcessLauncher
extends Object

An object which can launch new Alluxio processes. Under the hood, this object will use the PropertyKey.HOME variable to determine the root path to search for the alluxio-start.sh script.

Constructor Summary

Constructors

Constructor and Description
ProcessLauncher(AlluxioConfiguration conf) Creates a new instances of ProcessLauncher.

Method Summary

Modifier and Type	Method and Description
void	start(AlluxioNodeType type) Starts an Alluxio process of the given type.
void	stop(AlluxioNodeType type) Stop an Alluxio process of the given type.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProcessLauncher

public ProcessLauncher(AlluxioConfiguration conf)
                throws IOException

Creates a new instances of ProcessLauncher.

Parameters:

conf - configuration to use

Throws:

IOException - if the alluxio-start.sh script cannot be found

Method Detail

start

public void start(AlluxioNodeType type)
           throws IOException,
                  InterruptedException

Starts an Alluxio process of the given type.

Parameters:

type - the alluxio process type to launch

Throws:

IOException - if there is an issue creating the subprocess

InterruptedException - if the thread is interrupted while waiting for the process to start

stop

public void stop(AlluxioNodeType type)
          throws IOException,
                 InterruptedException,
                 TimeoutException

Stop an Alluxio process of the given type.

Parameters:

type - the alluxio process type to stop

Throws:

IOException - if there is an issue creating the subprocess

InterruptedException - if the thread is interrupted while waiting for the process to stop

TimeoutException