io.opentracing.contrib.spring.web.webfilter

Class TracingWebFilter

java.lang.Object

io.opentracing.contrib.spring.web.webfilter.TracingWebFilter

All Implemented Interfaces:

org.springframework.core.Ordered, org.springframework.web.server.WebFilter

public class TracingWebFilter
extends Object
implements org.springframework.web.server.WebFilter, org.springframework.core.Ordered

Tracing WebFilter for Spring WebFlux. Current server span context is accessible via ServerWebExchange.getAttribute(String) with name SERVER_SPAN_CONTEXT. Based on TraceWebFilter from spring-cloud-sleuth-core.

Author:

Csaba Kos

Field Summary

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
TracingWebFilter(io.opentracing.Tracer tracer, int order, Pattern skipPattern, List<String> urlPatterns, List<WebFluxSpanDecorator> spanDecorators)

Method Summary

Modifier and Type	Method and Description
reactor.core.publisher.Mono<Void>	filter(org.springframework.web.server.ServerWebExchange exchange, org.springframework.web.server.WebFilterChain chain)
int	getOrder()
protected boolean	shouldBeTraced(org.springframework.http.server.reactive.ServerHttpRequest request) It checks whether a request should be traced or not.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TracingWebFilter

public TracingWebFilter(io.opentracing.Tracer tracer,
                        int order,
                        Pattern skipPattern,
                        List<String> urlPatterns,
                        List<WebFluxSpanDecorator> spanDecorators)

Method Detail

filter

public reactor.core.publisher.Mono<Void> filter(org.springframework.web.server.ServerWebExchange exchange,
                                                org.springframework.web.server.WebFilterChain chain)

Specified by:

filter in interface org.springframework.web.server.WebFilter

shouldBeTraced

protected boolean shouldBeTraced(org.springframework.http.server.reactive.ServerHttpRequest request)

It checks whether a request should be traced or not.

Returns:

whether request should be traced or not

getOrder

public int getOrder()

Specified by:

getOrder in interface org.springframework.core.Ordered