com.netflix.loadbalancer

Class AbstractLoadBalancer

java.lang.Object

com.netflix.loadbalancer.AbstractLoadBalancer

All Implemented Interfaces:

ILoadBalancer

Direct Known Subclasses:

BaseLoadBalancer, NoOpLoadBalancer

public abstract class AbstractLoadBalancer
extends java.lang.Object
implements ILoadBalancer

AbstractLoadBalancer contains features required for most loadbalancing implementations. An anatomy of a typical LoadBalancer consists of 1. A List of Servers (nodes) that are potentially bucketed based on a specific criteria. 2. A Class that defines and implements a LoadBalacing Strategy via IRule 3. A Class that defines and implements a mechanism to determine the suitability/availability of the nodes/servers in the List.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractLoadBalancer.ServerGroup

Constructor Summary

Constructors

Constructor and Description
AbstractLoadBalancer()

Method Summary

Modifier and Type	Method and Description
Server	chooseServer() delegate to ILoadBalancer.chooseServer(Object) with parameter null.
abstract LoadBalancerStats	getLoadBalancerStats() Obtain LoadBalancer related Statistics
abstract java.util.List<Server>	getServerList(AbstractLoadBalancer.ServerGroup serverGroup) List of servers that this Loadbalancer knows about

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.netflix.loadbalancer.ILoadBalancer

addServers, chooseServer, getAllServers, getReachableServers, getServerList, markServerDown

Constructor Detail

AbstractLoadBalancer

public AbstractLoadBalancer()

Method Detail

chooseServer

public Server chooseServer()

delegate to ILoadBalancer.chooseServer(Object) with parameter null.

getServerList

public abstract java.util.List<Server> getServerList(AbstractLoadBalancer.ServerGroup serverGroup)

List of servers that this Loadbalancer knows about

Parameters:

serverGroup - Servers grouped by status, e.g., AbstractLoadBalancer.ServerGroup.STATUS_UP

getLoadBalancerStats

public abstract LoadBalancerStats getLoadBalancerStats()

Obtain LoadBalancer related Statistics