<span style="font-size: inherit;">this.registerFeignClients(metadata, registry);</span><br>
else
this.getScanner()<br>
scanner.addIncludeFilter(new AnnotationTypeFilter(FeignClient.class))<br>
this.getBasePackages(metadata)
scanner.findCandidateComponents(basePackage)<br>
this.registerClientConfiguration(registry, name, attributes.get("configuration"));
this.registerFeignClient(registry, annotationMetadata, attributes);
关系图
new FeignClientFactoryBean()
BeanDefinitionReaderUtils.registerBeanDefinition(holder, registry)
return factoryBean.getObject()<br>
getTarget()
beanFactory.getBean(FeignContext.class) :
FeignAutoConfiguration
FeignContext
OkHttpFeignConfiguration
okhttp3.OkHttpClient
Client
builder = this.feign(context)
Contract<br>
Level<br>
Logger<br>
this.loadBalance<br>
this.getOptional(context, Client.class)
FeignContext.getBean(Client.class)
BlockingLoadBalancerClientAutoConfiguration
new BlockingLoadBalancerClient(loadBalancerClientFactory, properties)
HttpClientFeignLoadBalancerConfiguration
new FeignBlockingLoadBalancerClient<br>
builder.client(client)
Targeter targeter =this.get(context, Targeter.class);
FeignContext.getBean(Client.class)
FeignAutoConfiguration.DefaultFeignTargeterConfiguration
new DefaultTargeter()
targeter.target(this, builder, context, target)
DefaultTargeter.target<br>
Builder.target
Feign.builder()<br>
new ReflectiveFeign
newInstance
feign.ReflectiveFeign.ParseHandlersByName#apply
contract.parseAndValidateMetadata
SpringMvcContract#parseAndValidateMetadata
super.parseAndValidateMetadata(targetType, method);
this.processAnnotationOnClass(data, targetType)
findMergedAnnotation(clz, RequestMapping.class)
this.processAnnotationOnMethod(data, methodAnnotation, method)
data.template().uri(pathValue, true);
this.processAnnotationsOnParameter
this.factory.create(target, methodToHandler)
Proxy.newProxyInstance
