簡體   English   中英

為什么我不能用常規將實現作為參數傳遞給采用其接口的方法?

[英]Why cant I, in groovy, pass a implementation as argument to a method that takes its interface?

我正在

groovy.lang.MissingMethodException: No signature of method: org.apache.camel.builder.AdviceWithBuilder.replaceFromWith() is applicable for argument types: (org.apache.camel.component.direct.DirectEndpoint) values: [direct://start]

該方法的簽名是AdviceWithBuilder.replaceFromWith(Endpoint ep)我傳入了實現Endpoint的DirectEndpoint ,我試圖將其強制到Endpoint

@Test
void testSubmitDocument() {
    final Endpoint endpoint = context.getEndpoint("direct:start",Endpoint.class)
    camelContext.getRouteDefinitions().get(0).adviceWith(camelContext, 
         new AdviceWithRouteBuilder (){
             void configure(){
                 weaveById("bar").replaceFromWith(endpoint)
             }
        } 

    )
    }

因為AdviceWithRouteBuilder.weaveById(String pattern)返回AdviceWithBuilder ,但它沒有replaceFromWith方法。

暫無
暫無

聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.

 
粵ICP備18138465號  © 2020-2024 STACKOOM.COM