com.baidu.brpc.loadbalance

Interface LoadBalanceStrategy

All Known Implementing Classes:

FairStrategy, RandomStrategy, RoundRobinStrategy, WeightStrategy

public interface LoadBalanceStrategy

load balance strategy interface

Field Summary

Fields

Modifier and Type	Field and Description
static int	LOAD_BALANCE_FAIR
static int	LOAD_BALANCE_RANDOM
static int	LOAD_BALANCE_ROUND_ROBIN
static int	LOAD_BALANCE_WEIGHT

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

Field Detail

LOAD_BALANCE_RANDOM

static final int LOAD_BALANCE_RANDOM

See Also:

Constant Field Values

LOAD_BALANCE_ROUND_ROBIN

static final int LOAD_BALANCE_ROUND_ROBIN

See Also:

Constant Field Values

LOAD_BALANCE_WEIGHT

static final int LOAD_BALANCE_WEIGHT

See Also:

Constant Field Values

LOAD_BALANCE_FAIR

static final int LOAD_BALANCE_FAIR

See Also:

Constant Field Values

Method Detail

init

void init(RpcClient rpcClient)

selectInstance

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

select instance channel from total instances

Parameters:

request - request info

instances - total instances, often are all healthy instances

selectedInstances - instances which have been selected.

Returns:

the best instance channel

destroy

void destroy()