com.tencent.polaris.client.flow

Class BaseFlow

java.lang.Object

com.tencent.polaris.client.flow.BaseFlow

public class BaseFlow
extends Object

同步调用流程

Author:

andrewshan

Date:

2019/8/24

Constructor Summary

Constructors

Constructor and Description
BaseFlow()

Method Summary

Modifier and Type	Method and Description
static void	buildFlowControlParam(RequestBaseEntity entity, com.tencent.polaris.api.config.Configuration config, FlowControlParam controlParam) 构建流程控制参数
static Instance	commonGetOneInstance(Extensions extensions, ServiceKey serviceKey, List<String> coreRouterNames, String lbPolicy, String protocol, String hashKey) 通用获取单个服务实例的方法，用于SDK内部调用
static Instance	processLoadBalance(LoadBalancer loadBalancer, Criteria criteria, ServiceInstances dstInstances)
static ServiceInstances	processServiceRouters(RouteInfo routeInfo, ServiceInstances dstInstances, RouterChainGroup routerChainGroup) 处理服务路由
static ResourcesResponse	syncGetResources(Extensions extensions, boolean internalRequest, ServiceEventKeysProvider paramProvider, FlowControlParam controlParam) 同步拉取资源数据

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseFlow

public BaseFlow()

Method Detail

commonGetOneInstance

public static Instance commonGetOneInstance(Extensions extensions,
                                            ServiceKey serviceKey,
                                            List<String> coreRouterNames,
                                            String lbPolicy,
                                            String protocol,
                                            String hashKey)

通用获取单个服务实例的方法，用于SDK内部调用

Parameters:

extensions - 插件上下文

serviceKey - 服务信息

coreRouterNames - 核心路由插件链

lbPolicy - 负载均衡策略

protocol - 协议信息

hashKey - 一致性hash的key

Returns:

过滤后的实例

processServiceRouters

public static ServiceInstances processServiceRouters(RouteInfo routeInfo,
                                                     ServiceInstances dstInstances,
                                                     RouterChainGroup routerChainGroup)
                                              throws PolarisException

处理服务路由

Parameters:

routeInfo - 路由信息

dstInstances - 目标实例列表

routerChainGroup - 插件链

Returns:

过滤后的实例

Throws:

PolarisException - 异常

syncGetResources

public static ResourcesResponse syncGetResources(Extensions extensions,
                                                 boolean internalRequest,
                                                 ServiceEventKeysProvider paramProvider,
                                                 FlowControlParam controlParam)
                                          throws PolarisException

同步拉取资源数据

Parameters:

extensions - 插件集合

internalRequest - 是否内部请求

paramProvider - 参数提供器

controlParam - 控制参数

Returns:

多资源应答

Throws:

PolarisException - 获取异常

processLoadBalance

public static Instance processLoadBalance(LoadBalancer loadBalancer,
                                          Criteria criteria,
                                          ServiceInstances dstInstances)
                                   throws PolarisException

Throws:

PolarisException

buildFlowControlParam

public static void buildFlowControlParam(RequestBaseEntity entity,
                                         com.tencent.polaris.api.config.Configuration config,
                                         FlowControlParam controlParam)

构建流程控制参数

Parameters:

entity - 请求对象

config - 配置对象

controlParam - 控制参数