org.springframework.cloud.openfeign.ribbon

Class RetryableFeignLoadBalancer

java.lang.Object

com.netflix.loadbalancer.LoadBalancerContext

com.netflix.client.AbstractLoadBalancerAwareClient<FeignLoadBalancer.RibbonRequest,FeignLoadBalancer.RibbonResponse>

org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer

org.springframework.cloud.openfeign.ribbon.RetryableFeignLoadBalancer

All Implemented Interfaces:

com.netflix.client.IClient<FeignLoadBalancer.RibbonRequest,FeignLoadBalancer.RibbonResponse>, com.netflix.client.IClientConfigAware, org.springframework.cloud.client.loadbalancer.ServiceInstanceChooser

public class RetryableFeignLoadBalancer
extends FeignLoadBalancer
implements org.springframework.cloud.client.loadbalancer.ServiceInstanceChooser

A FeignLoadBalancer that leverages Spring Retry to retry failed requests.

Author:

Ryan Baxter, Gang Li

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer

FeignLoadBalancer.RibbonRequest, FeignLoadBalancer.RibbonResponse

Field Summary

Fields inherited from class org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer

clientConfig, connectTimeout, readTimeout, serverIntrospector

Fields inherited from class com.netflix.loadbalancer.LoadBalancerContext

clientName, defaultRetryHandler, maxAutoRetries, maxAutoRetriesNextServer, okToRetryOnAllOperations, vipAddresses

Constructor Summary

Constructors

Constructor and Description
RetryableFeignLoadBalancer(com.netflix.loadbalancer.ILoadBalancer lb, com.netflix.client.config.IClientConfig clientConfig, org.springframework.cloud.netflix.ribbon.ServerIntrospector serverIntrospector, org.springframework.cloud.client.loadbalancer.LoadBalancedRetryFactory loadBalancedRetryFactory)

Method Summary

Modifier and Type	Method and Description
org.springframework.cloud.client.ServiceInstance	choose(String serviceId)
FeignLoadBalancer.RibbonResponse	execute(FeignLoadBalancer.RibbonRequest request, com.netflix.client.config.IClientConfig configOverride)
com.netflix.client.RequestSpecificRetryHandler	getRequestSpecificRetryHandler(FeignLoadBalancer.RibbonRequest request, com.netflix.client.config.IClientConfig requestConfig)

Methods inherited from class org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer

reconstructURIWithServer

Methods inherited from class com.netflix.client.AbstractLoadBalancerAwareClient

buildLoadBalancerCommand, customizeLoadBalancerCommandBuilder, executeWithLoadBalancer, executeWithLoadBalancer, isCircuitBreakerException, isRetriable, isRetriableException

Methods inherited from class com.netflix.loadbalancer.LoadBalancerContext

deriveHostAndPortFromVipAddress, deriveSchemeAndPortFromPartialUri, generateNIWSException, getClientName, getDeepestCause, getDefaultPortFromScheme, getExecuteTracer, getLoadBalancer, getMaxAutoRetries, getMaxAutoRetriesNextServer, getNumberRetriesOnSameServer, getRetriesNextServer, getRetryHandler, getServerFromLoadBalancer, getServerStats, handleSameServerRetry, initWithNiwsConfig, isOkToRetryOnAllOperations, noteError, noteOpenConnection, noteRequestCompletion, noteRequestCompletion, noteResponse, setLoadBalancer, setMaxAutoRetries, setMaxAutoRetriesNextServer, setOkToRetryOnAllOperations, setRetryHandler

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.netflix.client.IClientConfigAware

initWithNiwsConfig

Constructor Detail

RetryableFeignLoadBalancer

public RetryableFeignLoadBalancer(com.netflix.loadbalancer.ILoadBalancer lb,
                                  com.netflix.client.config.IClientConfig clientConfig,
                                  org.springframework.cloud.netflix.ribbon.ServerIntrospector serverIntrospector,
                                  org.springframework.cloud.client.loadbalancer.LoadBalancedRetryFactory loadBalancedRetryFactory)

Method Detail

execute

public FeignLoadBalancer.RibbonResponse execute(FeignLoadBalancer.RibbonRequest request,
                                                com.netflix.client.config.IClientConfig configOverride)
                                         throws IOException

Specified by:

execute in interface com.netflix.client.IClient<FeignLoadBalancer.RibbonRequest,FeignLoadBalancer.RibbonResponse>

Overrides:

execute in class FeignLoadBalancer

Throws:

IOException

getRequestSpecificRetryHandler

public com.netflix.client.RequestSpecificRetryHandler getRequestSpecificRetryHandler(FeignLoadBalancer.RibbonRequest request,
                                                                                     com.netflix.client.config.IClientConfig requestConfig)

Overrides:

getRequestSpecificRetryHandler in class FeignLoadBalancer

choose

public org.springframework.cloud.client.ServiceInstance choose(String serviceId)

Specified by:

choose in interface org.springframework.cloud.client.loadbalancer.ServiceInstanceChooser