Package io.servicetalk.opentracing.inmemory

Class B3KeyValueFormatter<T>

java.lang.Object

io.servicetalk.opentracing.inmemory.B3KeyValueFormatter<T>

All Implemented Interfaces:

io.opentracing.propagation.Format<T>, InMemorySpanContextExtractor<T>, InMemorySpanContextFormat<T>, InMemorySpanContextInjector<T>

public class B3KeyValueFormatter<T>
extends Object
implements InMemorySpanContextFormat<T>

Nested Class Summary

Nested classes/interfaces inherited from interface io.opentracing.propagation.Format

io.opentracing.propagation.Format.Builtin<C extends Object>

Constructor Summary

Constructors

Constructor	Description
B3KeyValueFormatter(TriConsumer<T,CharSequence,CharSequence> carrierInjector, BiFunction<T,CharSequence,CharSequence> carrierExtractor, boolean verifyExtractedValues)	Create a new instance.

Method Summary

Modifier and Type	Method	Description
InMemorySpanContext	extract(T carrier)	Extract the trace state from a carrier.
void	inject(InMemorySpanContext context, T carrier)	Inject a trace state into a carrier.

Methods inherited from class java.lang.Object

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

Constructor Details

B3KeyValueFormatter

public B3KeyValueFormatter(TriConsumer<T,CharSequence,CharSequence> carrierInjector,
 BiFunction<T,CharSequence,CharSequence> carrierExtractor,
 boolean verifyExtractedValues)

Create a new instance.

Parameters:

carrierInjector - A TriConsumer used to inject entries to a Key-Value carrier.

carrierExtractor - A BiFunction used to extract to extract values from a Key-Value carrier.

verifyExtractedValues - true to make a best effort verification that the extracted values are of the correct format.

Method Details

inject

public void inject(InMemorySpanContext context,
 T carrier)

Description copied from interface: InMemorySpanContextInjector

Inject a trace state into a carrier.

Specified by:

inject in interface InMemorySpanContextInjector<T>

Parameters:

context - span context

carrier - carrier to inject into

extract

@Nullable
public InMemorySpanContext extract(T carrier)

Description copied from interface: InMemorySpanContextExtractor

Extract the trace state from a carrier.

Specified by:

extract in interface InMemorySpanContextExtractor<T>

Parameters:

carrier - carrier to extract from

Returns:

extracted InMemorySpanContext, may be null if the carrier doesn't contain a valid span