com.baidu.brpc.loadbalance

Class WeightStrategy

java.lang.Object

com.baidu.brpc.loadbalance.WeightStrategy

All Implemented Interfaces:

LoadBalanceStrategy

public class WeightStrategy
extends Object
implements LoadBalanceStrategy

Simple weight load balance strategy implementation The channelGroup which has less failedNum will have the more probability

Field Summary

Fields inherited from interface com.baidu.brpc.loadbalance.LoadBalanceStrategy

LOAD_BALANCE_FAIR, LOAD_BALANCE_RANDOM, LOAD_BALANCE_ROUND_ROBIN, LOAD_BALANCE_WEIGHT

Constructor Summary

Constructors

Constructor and Description
WeightStrategy()

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	init(RpcClient rpcClient)
CommunicationClient	selectInstance(Request request, List<CommunicationClient> instances, Set<CommunicationClient> selectedInstances) select instance channel from total instances

Methods inherited from class java.lang.Object

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

Constructor Detail

WeightStrategy

public WeightStrategy()

Method Detail

init

public void init(RpcClient rpcClient)

Specified by:

init in interface LoadBalanceStrategy

selectInstance

public CommunicationClient selectInstance(Request request,
                                          List<CommunicationClient> instances,
                                          Set<CommunicationClient> selectedInstances)

Description copied from interface: LoadBalanceStrategy

select instance channel from total instances

Specified by:

selectInstance in interface LoadBalanceStrategy

Parameters:

request - request info

instances - total instances, often are all healthy instances

selectedInstances - instances which have been selected.

Returns:

the best instance channel

destroy

public void destroy()

Specified by:

destroy in interface LoadBalanceStrategy