io.opentracing.contrib.spring.web.webfilter

Interface WebFluxSpanDecorator

All Known Implementing Classes:

WebFluxSpanDecorator.StandardTags, WebFluxSpanDecorator.WebFluxTags

public interface WebFluxSpanDecorator

SpanDecorator to decorate span at different stages in WebFlux processing (at subscription, after error or completion).

Author:

Csaba Kos

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	WebFluxSpanDecorator.StandardTags Adds standard tags to span.
static class	WebFluxSpanDecorator.WebFluxTags Adds tags from WebFlux handler to span.

Method Summary

Modifier and Type	Method and Description
void	onError(org.springframework.web.server.ServerWebExchange exchange, Throwable exception, io.opentracing.Span span) Decorate span after completion in error.
void	onRequest(org.springframework.web.server.ServerWebExchange exchange, io.opentracing.Span span) Decorate span before .onSubscribe() is called.
void	onResponse(org.springframework.web.server.ServerWebExchange exchange, io.opentracing.Span span) Decorate span after successful completion.

Method Detail

onRequest

void onRequest(org.springframework.web.server.ServerWebExchange exchange,
               io.opentracing.Span span)

Decorate span before .onSubscribe() is called. This is called right after span in created. Span context is already present in request attributes with name TracingWebFilter.SERVER_SPAN_CONTEXT.

Parameters:

exchange - web exchange

span - span to decorate

onResponse

void onResponse(org.springframework.web.server.ServerWebExchange exchange,
                io.opentracing.Span span)

Decorate span after successful completion.

Parameters:

exchange - web exchange

span - span to decorate

onError

void onError(org.springframework.web.server.ServerWebExchange exchange,
             Throwable exception,
             io.opentracing.Span span)

Decorate span after completion in error.

Parameters:

exchange - web exchange

exception - exception

span - span to decorate