com.cisco.oss.foundation.loadbalancer

Class AbstractLoadBalancerStrategy<S extends ClientRequest>

java.lang.Object

com.cisco.oss.foundation.loadbalancer.AbstractLoadBalancerStrategy<S>

All Implemented Interfaces:

LoadBalancerStrategy<S>, Serializable

Direct Known Subclasses:

FailOverStrategy, RoundRobinStrategy

public abstract class AbstractLoadBalancerStrategy<S extends ClientRequest>
extends Object
implements LoadBalancerStrategy<S>

This Class is the abstract implementation of the load balancing strategy.

Author:

Yair Ogen

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.cisco.oss.foundation.loadbalancer.LoadBalancerStrategy

LoadBalancerStrategy.STRATEGY_TYPE

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOGGER
static ReentrantReadWriteLock	readWriteLock
protected List<InternalServerProxy>	serverProxies

Fields inherited from interface com.cisco.oss.foundation.loadbalancer.LoadBalancerStrategy

lastKnownErrorThreadLocal

Constructor Summary

Constructors

Constructor and Description
AbstractLoadBalancerStrategy(String serviceName, boolean serviceDirectoryEnabled, long waitingTime, String clientName, long retryDelay, int numberOfAttempts)

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.cisco.oss.foundation.loadbalancer.LoadBalancerStrategy

getServerProxy

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

readWriteLock

public static final ReentrantReadWriteLock readWriteLock

serverProxies

protected List<InternalServerProxy> serverProxies

Constructor Detail

AbstractLoadBalancerStrategy

public AbstractLoadBalancerStrategy(String serviceName,
                            boolean serviceDirectoryEnabled,
                            long waitingTime,
                            String clientName,
                            long retryDelay,
                            int numberOfAttempts)

Method Detail

getServiceName

public String getServiceName()

isServiceDirectoryEnabled

public boolean isServiceDirectoryEnabled()

handleException

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

Specified by:

handleException in interface LoadBalancerStrategy<S extends ClientRequest>

handleNullserverProxy

public void handleNullserverProxy(String apiName,
                         Throwable lastCaugtException)

Specified by:

handleNullserverProxy in interface LoadBalancerStrategy<S extends ClientRequest>

getServerProxies

public List<InternalServerProxy> getServerProxies()

Specified by:

getServerProxies in interface LoadBalancerStrategy<S extends ClientRequest>

setServerProxies

public void setServerProxies(List<InternalServerProxy> serverProxies)

Description copied from interface: LoadBalancerStrategy

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

Specified by:

setServerProxies in interface LoadBalancerStrategy<S extends ClientRequest>

Parameters:

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