alluxio.master

Class LocalAlluxioJobCluster

java.lang.Object

alluxio.master.LocalAlluxioJobCluster

@NotThreadSafe
public final class LocalAlluxioJobCluster
extends java.lang.Object

Local Alluxio job cluster. This cluster is should only be used in conjunction with an AbstractLocalAlluxioCluster.

Constructor Summary

Constructors

Constructor and Description
LocalAlluxioJobCluster() Creates a new instance of LocalAlluxioJobCluster.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getHostname()
AlluxioJobMasterProcess	getMaster()
JobWorkerProcess	getWorker()
void	restartWorker() Stops the current worker and starts a new one.
void	setProperty(PropertyKey pk, java.lang.String value) Overrides properties for the Job Master and Worker before starting.
void	start() Starts both master and a worker using the configurations in test conf respectively.
void	stop() Stops the alluxio job service threads.

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalAlluxioJobCluster

public LocalAlluxioJobCluster()

Creates a new instance of LocalAlluxioJobCluster.

Method Detail

start

public void start()
           throws java.io.IOException,
                  ConnectionFailedException

Starts both master and a worker using the configurations in test conf respectively.

Throws:

java.io.IOException - if an I/O error occurs

ConnectionFailedException - if network connection failed

stop

public void stop()
          throws java.lang.Exception

Stops the alluxio job service threads.

Throws:

java.lang.Exception - when the operation fails

getMaster

public AlluxioJobMasterProcess getMaster()

Returns:

the job master

getWorker

public JobWorkerProcess getWorker()

Returns:

the job worker

getHostname

public java.lang.String getHostname()

Returns:

the hostname of the cluster

restartWorker

public void restartWorker()
                   throws java.lang.Exception

Stops the current worker and starts a new one.

Throws:

java.lang.Exception - if the the worker fails to stop or start

setProperty

public void setProperty(PropertyKey pk,
                        java.lang.String value)

Overrides properties for the Job Master and Worker before starting.

Parameters:

pk - the property key to set

value - the value to set for the key