io.opentracing.contrib.spring.web.client

Interface RestTemplateSpanDecorator

All Known Implementing Classes:

RestTemplateSpanDecorator.StandardTags

public interface RestTemplateSpanDecorator

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

Do not finish span or throw any exceptions!

Author:

Pavol Loffay

Nested Class Summary

Nested Classes

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

Method Summary

Modifier and Type	Method and Description
void	onError(org.springframework.http.HttpRequest request, Throwable ex, io.opentracing.Span span) Decorate span when exception is thrown during request processing, e.g.
void	onRequest(org.springframework.http.HttpRequest request, io.opentracing.Span span) Decorate span before before request is executed, e.g.
void	onResponse(org.springframework.http.HttpRequest request, org.springframework.http.client.ClientHttpResponse response, io.opentracing.Span span) Decorate span after request is done, e.g.

Method Detail

onRequest

void onRequest(org.springframework.http.HttpRequest request,
               io.opentracing.Span span)

Decorate span before before request is executed, e.g. before ClientHttpRequestInterceptor.intercept(HttpRequest, byte[], ClientHttpRequestExecution) is called.

Parameters:

request - request

span - client span

onResponse

void onResponse(org.springframework.http.HttpRequest request,
                org.springframework.http.client.ClientHttpResponse response,
                io.opentracing.Span span)

Decorate span after request is done, e.g. after ClientHttpRequestInterceptor.intercept(HttpRequest, byte[], ClientHttpRequestExecution) is called

Parameters:

request - request

response - response

span - span

onError

void onError(org.springframework.http.HttpRequest request,
             Throwable ex,
             io.opentracing.Span span)

Decorate span when exception is thrown during request processing, e.g. during ClientHttpRequestInterceptor.intercept(HttpRequest, byte[], ClientHttpRequestExecution) is processing.

Parameters:

request - request

ex - exception

span - span