Package io.opentelemetry.context.propagation

Interface TextMapSetter<C>

Type Parameters:

C - carrier of propagation fields, such as an http request

public interface TextMapSetter<C>

Class that allows a TextMapPropagator to set propagated fields into a carrier.

Setter is stateless and allows to be saved as a constant to avoid runtime allocations.

Method Summary

Modifier and Type	Method	Description
void	set(C carrier, String key, String value)	Replaces a propagated field with the given value.

Method Details

set

void set(@Nullable
 C carrier,
 String key,
 String value)

Replaces a propagated field with the given value.

For example, a setter for an HttpURLConnection would be the method reference URLConnection.addRequestProperty(String, String)

Parameters:

carrier - holds propagation fields. For example, an outgoing message or http request. To facilitate implementations as java lambdas, this parameter may be null.

key - the key of the field.

value - the value of the field.