org.kitesdk.minicluster

Class ZookeeperService

java.lang.Object

org.kitesdk.minicluster.ZookeeperService

All Implemented Interfaces:

Service

public class ZookeeperService
extends Object
implements Service

A Zookeeper minicluster service implementation. This class was ripped from MiniZooKeeperCluster from the HBase tests. Changes made include: 1. It will now only launch 1 zookeeper server. 2. It will only attempt to bind to the port specified, and will fail if it can't. 3. The startup method now takes a bindAddress, which allows us to configure which IP the ZK server binds to. This was not configurable in the original class. 4. The ZK cluster will re-use a data dir on the local filesystem if it already exists instead of blowing it away.

Nested Class Summary

Nested classes/interfaces inherited from interface org.kitesdk.minicluster.Service

Service.ServiceConfig

Constructor Summary

Constructors

Constructor and Description
ZookeeperService()

Method Summary

Methods

Modifier and Type	Method and Description
void	configure(Service.ServiceConfig serviceConfig) Configure this service with the ServiceConfig
List<Class<? extends Service>>	dependencies() Get the other Service implementations this Service has as a dependency.
Configuration	getHadoopConf() Get the Hadoop configuration object for this service.
void	start() Start the service.
void	stop() Stop the service.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZookeeperService

public ZookeeperService()

Method Detail

configure

public void configure(Service.ServiceConfig serviceConfig)

Description copied from interface: Service

Configure this service with the ServiceConfig

Specified by:

configure in interface Service

Parameters:

serviceConfig - A Service Config instance

getHadoopConf

public Configuration getHadoopConf()

Description copied from interface: Service

Get the Hadoop configuration object for this service.

Specified by:

getHadoopConf in interface Service

Returns:

The Hadoop configuration

start

public void start()
           throws IOException,
                  InterruptedException

Description copied from interface: Service

Start the service.

Specified by:

start in interface Service

Throws:

IOException

InterruptedException

stop

public void stop()
          throws IOException

Description copied from interface: Service

Stop the service.

Specified by:

stop in interface Service

Throws:

IOException

dependencies

public List<Class<? extends Service>> dependencies()

Description copied from interface: Service

Get the other Service implementations this Service has as a dependency. A mini cluster will validate that the dependencies are added, and that they are started before this one.

Specified by:

dependencies in interface Service

Returns:

The list of service dependencies.