【资金博弈指标源码】【基带源码】【chromium 源码】hystrix源码
1.Spring Boot 项目配合Hystrix 实现全局RestController超时熔断(api超过30秒返回timeout)
2.Hystrixä»ç»
3.springcloud2022ï¼
Spring Boot 项目配合Hystrix 实现全局RestController超时熔断(api超过30秒返回timeout)
为了在Spring Boot项目中实现全局RestController的超时熔断,当API调用超过秒时返回timeout,我们需要寻找一种更高效的方法,避免手动为上百个控制器添加@HystrixCommand注解,资金博弈指标源码这将是一项繁重的任务。起初,基带源码我尝试使用切面编程(AspectJ)包裹RestController,配置@HystrixCommand,但这似乎与HystrixCommand的特性产生了冲突。通过深入Hystrix源码分析和实例化HystrixCommand,我成功实现了全局的超时熔断策略,无需每个API都单独标注。
实现的chromium 源码关键在于在pom文件中添加适当的Hystrix依赖,并确保返回值使用ResponseEntity以控制响应码。对于非ResponseEntity类型的返回值,通过优化处理,dos 源码可以避免超时后返回的意外情况。这个过程虽然注解方式简洁,但控制不当可能引发问题。源码路灯在遇到注解失效或效果不佳时,通过创建私有实例进行管理通常更易于调试和问题定位。
Spring Boot的starter虽然提供了快速搭建项目的便利,但在精细化控制上可能面临挑战。因此,对于这类场景,注解的便利性和实例化管理的灵活性是需要权衡的。
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packageorg.unicorn.framework.gateway.filter;
importcn.hutool.core.collection.CollectionUtil;
importcom.netflix.hystrix.HystrixCommandGroupKey;
importcom.netflix.hystrix.HystrixCommandKey;
importcom.netflix.hystrix.HystrixCommandProperties;
importcom.netflix.hystrix.HystrixObservableCommand;
importcom.netflix.hystrix.exception.HystrixRuntimeException;
importorg.springframework.beans.factory.ObjectProvider;
importorg.springframework.cloud.gateway.filter.GatewayFilter;
importorg.springframework.cloud.gateway.filter.GatewayFilterChain;
importorg.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
importorg.springframework.cloud.gateway.support.ServerWebExchangeUtils;
importorg.springframework.cloud.gateway.support.TimeoutException;
importorg.springframework.core.annotation.AnnotatedElementUtils;
importorg.springframework.mand;
if(CollectionUtil.isNotEmpty(apiTimeoutList)){
//requestå¹é å±äºé£ç§æ¨¡å¼
ApiHystrixTimeoutapiHystrixTimeout=getApiHystrixTimeout(apiTimeoutList,path);command=newUnicornRouteHystrixCommand(config.getFallbackUri(),exchange,chain,initSetter(apiHystrixTimeout.getApiPattern(),apiHystrixTimeout.getTimeout()));}else{
command=newUnicornRouteHystrixCommand(config.getFallbackUri(),exchange,chain,initSetter(serviceId(exchange),null));
}
returncommand;
}/
***@paramapiTimeoutList*@parampath*@return*/privateApiHystrixTimeoutgetApiHystrixTimeout(ListapiTimeoutList,Stringpath){for(ApiHystrixTimeoutapiTimeoutPattern:apiTimeoutList){
if(this.antPathMatcher.match(apiTimeoutPattern.getApiPattern(),path)){
returnapiTimeoutPattern;
}}
ApiHystrixTimeoutapiHystrixTimeout=newApiHystrixTimeout();
apiHystrixTimeout.setApiPattern("default");
apiHystrixTimeout.timeout=null;
returnapiHystrixTimeout;
}@Override
publicGatewayFilterapply(Configconfig){return(exchange,chain)-{
UnicornRouteHystrixCommandcommand=initUnicornRouteHystrixCommand(exchange,chain,config);
returnMono.create(s-{Subscriptionsub=command.toObservable().subscribe(s::success,s::error,s::success);
s.onCancel(sub::unsubscribe);
}).onErrorResume((Function)throwable-{if(throwableinstanceofHystrixRuntimeException){
HystrixRuntimeExceptione=(HystrixRuntimeException)throwable;
HystrixRuntimeException.FailureTypefailureType=e.getFailureType();switch(failureType){caseTIMEOUT:
returnMono.error(newTimeoutException());
caseCOMMAND_EXCEPTION:{
Throwablecause=e.getCause();
if(causeinstanceofResponseStatusException||AnnotatedElementUtils.findMergedAnnotation(cause.getClass(),ResponseStatus.class)!=null){
returnMono.error(cause);
}}
default:
break;
}}