feign.opentracing

Interface FeignSpanDecorator

All Known Implementing Classes:

FeignSpanDecorator.StandardTags

public interface FeignSpanDecorator

Decorate span by adding tags/logs or change operation name.

Do not finish span or throw any exceptions!

Author:

Pavol Loffay

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	FeignSpanDecorator.StandardTags This decorator adds set of standard tags to the span.

Method Summary

Modifier and Type	Method and Description
void	onError(Exception exception, feign.Request request, io.opentracing.Span span) Decorate span if exception is thrown during Client.execute(Request, Request.Options).
void	onRequest(feign.Request request, feign.Request.Options options, io.opentracing.Span span) Decorate span before Client.execute(Request, Request.Options) is called on the delegating client.
void	onResponse(feign.Response response, feign.Request.Options options, io.opentracing.Span span) Decorate span after Client.execute(Request, Request.Options) is called on the delegating client.

Method Detail

onRequest

void onRequest(feign.Request request,
               feign.Request.Options options,
               io.opentracing.Span span)

Decorate span before Client.execute(Request, Request.Options) is called on the delegating client.

Parameters:

request - request

options - request options

span - client span

onResponse

void onResponse(feign.Response response,
                feign.Request.Options options,
                io.opentracing.Span span)

Decorate span after Client.execute(Request, Request.Options) is called on the delegating client.

Parameters:

response - response

options - request options

span - client span

onError

void onError(Exception exception,
             feign.Request request,
             io.opentracing.Span span)

Decorate span if exception is thrown during Client.execute(Request, Request.Options).

Parameters:

exception - exception

request - request

span - client span