io.opentelemetry.trace.propagation

Class B3Propagator

java.lang.Object

io.opentelemetry.trace.propagation.B3Propagator

All Implemented Interfaces:

io.opentelemetry.context.propagation.HttpTextFormat<SpanContext>

@Immutable
public class B3Propagator
extends Object
implements io.opentelemetry.context.propagation.HttpTextFormat<SpanContext>

Implementation of the B3 propagation protocol. See openzipkin/b3-propagation.

Nested Class Summary

Nested classes/interfaces inherited from interface io.opentelemetry.context.propagation.HttpTextFormat

io.opentelemetry.context.propagation.HttpTextFormat.Getter<C>, io.opentelemetry.context.propagation.HttpTextFormat.Setter<C>

Constructor Summary

Constructors

Constructor and Description
B3Propagator() Creates a new instance of B3Propagator.
B3Propagator(boolean singleHeader) Creates a new instance of B3Propagator.

Method Summary

Modifier and Type	Method and Description
<C> SpanContext	extract(C carrier, io.opentelemetry.context.propagation.HttpTextFormat.Getter<C> getter)
List<String>	fields()
<C> void	inject(SpanContext spanContext, C carrier, io.opentelemetry.context.propagation.HttpTextFormat.Setter<C> setter)

Methods inherited from class java.lang.Object

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

Constructor Detail

B3Propagator

public B3Propagator()

Creates a new instance of B3Propagator. Defaults to use multiple headers.

B3Propagator

public B3Propagator(boolean singleHeader)

Creates a new instance of B3Propagator.

Parameters:

singleHeader - whether to use single or multiple headers.

Method Detail

fields

public List<String> fields()

Specified by:

fields in interface io.opentelemetry.context.propagation.HttpTextFormat<SpanContext>

inject

public <C> void inject(SpanContext spanContext,
                       C carrier,
                       io.opentelemetry.context.propagation.HttpTextFormat.Setter<C> setter)

Specified by:

inject in interface io.opentelemetry.context.propagation.HttpTextFormat<SpanContext>

extract

public <C> SpanContext extract(C carrier,
                               io.opentelemetry.context.propagation.HttpTextFormat.Getter<C> getter)

Specified by:

extract in interface io.opentelemetry.context.propagation.HttpTextFormat<SpanContext>