Package io.opentelemetry.instrumentation.api.instrumenter

Interface SpanLinksExtractor<REQUEST>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface SpanLinksExtractor<REQUEST>

Extractor of span links for a request.

Method Summary

Modifier and Type	Method	Description
void	extract(SpanLinksBuilder spanLinks, io.opentelemetry.context.Context parentContext, REQUEST request)	Extracts SpanContexts that should be linked to the newly created span and adds them to spanLinks.
static <REQUEST> SpanLinksExtractor<REQUEST>	fromUpstreamRequest(io.opentelemetry.context.propagation.ContextPropagators propagators, io.opentelemetry.context.propagation.TextMapGetter<REQUEST> getter)	Returns a new SpanLinksExtractor that will extract a SpanContext from the request using configured propagators.

Method Detail

extract

void extract(SpanLinksBuilder spanLinks,
             io.opentelemetry.context.Context parentContext,
             REQUEST request)

Extracts SpanContexts that should be linked to the newly created span and adds them to spanLinks.

fromUpstreamRequest

static <REQUEST> SpanLinksExtractor<REQUEST> fromUpstreamRequest(io.opentelemetry.context.propagation.ContextPropagators propagators,
                                                                 io.opentelemetry.context.propagation.TextMapGetter<REQUEST> getter)

Returns a new SpanLinksExtractor that will extract a SpanContext from the request using configured propagators.