io.opentracing.propagation

Interface TextMapWriter

public interface TextMapWriter

TextMapWriter is a built-in carrier for Tracer.inject(). TextMapWriter implementations allows Tracers to write key:value String pairs into arbitrary data structures.

See Also:

Tracer.inject(io.opentracing.SpanContext, Object)

Method Summary

Modifier and Type	Method and Description
void	put(String key, String value) Puts a key:value pair into the TextMapWriter's backing store.

Method Detail

put

void put(String key,
         String value)

Puts a key:value pair into the TextMapWriter's backing store.

Parameters:

key - an arbitrary string (unlike HttpHeaderWriter, there are no HTTP-style constraints on the contents)

value - an arbitrary string

See Also:

Tracer.inject(io.opentracing.SpanContext, Object), HttpHeaderWriter