com.cisco.oss.foundation.loadbalancer

Interface LoadBalancerStrategy<S extends ClientRequest>

All Superinterfaces:

Serializable

All Known Implementing Classes:

AbstractLoadBalancerStrategy, FailOverStrategy, RoundRobinStrategy, StickyRoundRobinStrategy

public interface LoadBalancerStrategy<S extends ClientRequest>
extends Serializable

The strategy is in charge of handling the way servers are being called. There are different types of load balancing strategies including FailOver,RoundRobin and ActiveActive. The Strategy is a member of the orchestrator. hence, there is a new instance for each client.

Author:

Yair Ogen

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	LoadBalancerStrategy.STRATEGY_TYPE

Field Summary

Fields

Modifier and Type	Field and Description
static ThreadLocal<Throwable>	lastKnownErrorThreadLocal

Method Summary

Methods

Modifier and Type	Method and Description
List<InternalServerProxy>	getServerProxies()
InternalServerProxy	getServerProxy(S request)
Throwable	handleException(String apiName, InternalServerProxy serverProxy, Throwable throwable)
void	handleNullserverProxy(String apiName, Throwable lastCaugtException)
void	setServerProxies(List<InternalServerProxy> serverProxies) set a list of objects to be invoked by the orchestrator.

Field Detail

lastKnownErrorThreadLocal

static final ThreadLocal<Throwable> lastKnownErrorThreadLocal

Method Detail

setServerProxies

void setServerProxies(List<InternalServerProxy> serverProxies)

set a list of objects to be invoked by the orchestrator. each object represents a server instance.

Parameters:

serverProxies - list of server objects to be invoked by the orchestrator.

getServerProxy

InternalServerProxy getServerProxy(S request)

handleNullserverProxy

void handleNullserverProxy(String apiName,
                         Throwable lastCaugtException)

getServerProxies

List<InternalServerProxy> getServerProxies()

handleException

Throwable handleException(String apiName,
                        InternalServerProxy serverProxy,
                        Throwable throwable)