public void Inject(ITraceContext traceContext, C carrier)
{
_setter(carrier, _b3Propagation.TraceIdKey, traceContext.SerializeTraceId());
_setter(carrier, _b3Propagation.SpanIdKey, traceContext.SerializeSpanId());
if (traceContext.ParentSpanId != null)
{
// Cannot be null in theory, the root span must have been created on request receive hence further RPC calls are necessary children
_setter(carrier, _b3Propagation.ParentSpanIdKey, traceContext.SerializeParentSpanId());
}
_setter(carrier, _b3Propagation.DebugKey, traceContext.SerializeDebugKey());
// Add "Sampled" header for compatibility with Finagle
if (traceContext.Sampled.HasValue)
{
_setter(carrier, _b3Propagation.SampledKey, traceContext.SerializeSampledKey());
}
}
