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sentinel support custom block response by sentinelClientHttpResponse

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pengbingting
2018-12-18 15:14:35 +08:00
parent 61e7a02665
commit 92f728176a
5 changed files with 63 additions and 33 deletions
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spring-cloud-alibaba-docs/src/main/asciidoc-zh/sentinel.adoc
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@@ -165,6 +165,7 @@ public RestTemplate restTemplate() {
其中 `blockHandler` 或 `fallback` 对应的方法必须是对应 `blockHandlerClass` 或 `fallbackClass` 中的静态方法。
该注解对应的方法参数跟 `ClientHttpRequestInterceptor` 接口中的参数一致，并多出了一个 `BlockException` 参数，且返回值是 `ClientHttpResponse`。
被限流后如果不继续执行后面的 Http 请求拦截器，则可以通过 `SentinelClientHttpResponse` 的一个实例来自定义被限流后的返回值结果。
比如上述 `ExceptionUtil` 的 `handleException` 方法对应的声明如下：

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spring-cloud-alibaba-docs/src/main/asciidoc/sentinel.adoc
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@@ -167,6 +167,7 @@ The parameter of the `@SentinelRestTemplate` annotation support flow control(`bl
The `blockHandler` or `fallback` is the static method of `blockHandlerClass` or `fallbackClass`.
The parameter of method in `@SentinelRestTemplate` is same as `ClientHttpRequestInterceptor`, but it has one more parameter `BlockException` and its value of return type should be `ClientHttpResponse`.
If you do not continue to execute the following Http request interceptor after being restricted, you can use the instance of `SentinelClientHttpResponse` to customize the return value result after the current limit.
The method signature of `handleException` in `ExceptionUtil` above should be like this: