Apache Camel/Spring中的节流阀

Question

如何在骆驼的所有路线上添加油门

@Component
public class MyRestRoute extends RouteBuilder {

@Value("${spring.application.name}")
private String appName;

@Value("${spring.application.description}")
private String description;

@Value("${spring.application.version}")
private String appVersion;

@Override
public void configure() throws Exception {

    restConfiguration().apiContextRouteId("swagger").contextPath(System.getenv("CONTEXT_PATH"))
            .apiContextPath("/swagger").component("servlet")
            .apiProperty("api.title", appName)
            .apiProperty("api.description", description)
            .apiProperty("api.version", appVersion)
            .apiProperty("host", "localhost")
            .apiProperty("port", "8080")
            .apiProperty("schemes", "http");



    rest("/transfers/{transfer_id}")
            .post().type(Request.class).id("id-limits").description("transfer").bindingMode(RestBindingMode.auto)
            .skipBindingOnErrorCode(true)
            .param().name("transfer_id").type(RestParamType.path).description("transferId").endParam()
            .produces(MediaType.APPLICATION_JSON_VALUE)

            .to("direct:transferRoute);


    rest("/accounts")
            .get().id("id-limits").description("Get Accounts").bindingMode(RestBindingMode.auto)
            .skipBindingOnErrorCode(true)

            .param().name("account_id").type(RestParamType.query).description("account_id").endParam()
            .param().name("document").type(RestParamType.query).description("document").endParam()

            .produces(MediaType.APPLICATION_JSON_VALUE)
            .to("direct:accountsRoute));
}
}

那可以得到不止一个Restresource_path，我怎么能在我的所有主要路线中插入油门。我知道我可以在.from（“直接：转移路由”）和.from（“直接：帐户路由”）中的每个路由的开始之后插入，但我想一般地插入我的所有资源。我可以在骆驼身上做到这一点，或者也许使用Spring更安全？

Answer 1

也许你可以使用拦截器 https://camel.apache.org/components/3.17.x/eips/intercept.html#_using_intercept

interceptFrom().throttle(...);

Answer 2

据我所知，我认为在全球范围内这样做是不可能的。恐怕你得按每条路线来做。

作为一种（相当愚蠢的）变通方法，你可以想象这样的事情。

public abstract class CustomRouteBuilder extends RouteBuilder {
  public RouteDefinition fromWithTrottle(String uri) {
    return this.fromWithTrottle(uri, 3, 10000); // default throttling
  }
  public RouteDefinition fromWithTrottle(String uri, int count, long period) {
    return super.from(uri)
       .throttle(count)
       .timePeriodMillis(period);
}

public class MyRestRoute extends CustomRouteBuilder {
  @Override
  public void configure() throws Exception {
     fromWithTrottle("direct:transferRoute")
       .to("mock:transfer");

     fromWithTrottle("direct:accountsRoute", 2, 12_000)
       .to("mock:accounts")
  }
}