com.bigdata.service.jini
Class LoadBalancerServer

java.lang.Object
  com.bigdata.service.jini.AbstractServer
      com.bigdata.service.jini.LoadBalancerServer

All Implemented Interfaces:

Runnable, EventListener, net.jini.lease.LeaseListener, net.jini.lookup.ServiceIDListener

public class LoadBalancerServer
extends AbstractServer

The load balancer server.

The LoadBalancerServer starts the LoadBalancerService. The server and service are configured using a Configuration file whose name is passed to the LoadBalancerServer#LoadBalancerServer(String[]) constructor or main(String[]).

Version:

$Id$

Author:

Bryan Thompson

See Also:

for sample configurations.

Nested Class Summary

static class	LoadBalancerServer.AdministrableLoadBalancer Adds jini administration interfaces to the basic LoadBalancerService.
static interface	LoadBalancerServer.Options Options for this server.

Nested classes/interfaces inherited from class com.bigdata.service.jini.AbstractServer

AbstractServer.ConfigurationOptions, AbstractServer.MasterElectionTask

Field Summary

Fields inherited from class com.bigdata.service.jini.AbstractServer

config, impl, logicalServiceZPath, physicalServiceZPath, proxy

Constructor Summary

LoadBalancerServer(String[] args, com.sun.jini.start.LifeCycle lifeCycle)

Method Summary

static void	main(String[] args) Starts a new LoadBalancerServer.
protected LoadBalancerService	newService(Properties properties) This method is responsible for creating the remote service implementation object.

Methods inherited from class com.bigdata.service.jini.AbstractServer

destroy, fatal, getClient, getFileFilter, getHostName, getJoinManager, getProxy, getServiceID, getServiceName, isPersistent, isShuttingDown, notify, notifyServiceUUID, readServiceId, run, runDestroy, serviceIDNotify, setSecurityManager, shutdownNow, terminate, toString, unexport

Methods inherited from class java.lang.Object

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

Constructor Detail

LoadBalancerServer

public LoadBalancerServer(String[] args,
                          com.sun.jini.start.LifeCycle lifeCycle)

Parameters:

args - Either the command line arguments or the arguments from the ServiceDescriptor. Either way they identify the jini Configuration (you may specify either a file or URL) and optional overrides for that Configuration.

lifeCycle - The life cycle object. This is used if the server is started by the jini ServiceStarter. Otherwise specify a FakeLifeCycle.

Method Detail

main

public static void main(String[] args)

Starts a new LoadBalancerServer. This can be done programmatically by executing

 new LoadBalancerServer(args, new FakeLifeCycle()).run();
 

within a Thread.

Parameters:

args - The name of the Configuration file for the service.

newService

protected LoadBalancerService newService(Properties properties)

Description copied from class: AbstractServer

This method is responsible for creating the remote service implementation object. This object MUST declare one or more interfaces that extent the Remote interface. The server will use JERI to create a proxy for the remote object and configure and manage the protocol for communications between the client (service proxy) and the remote object (the service implementation).

Note: You have to implement JoinAdmin in order to show up as an administerable service (blue folder) in the jini Service Browser.

Specified by:

newService in class AbstractServer

Parameters:

properties - The contents of the Properties file whose name was given by the propertyFile value in the Configuration identified to main by its command line arguments.