@Override public void inject(Span span, RpcContext carrier) { Map<String, String> attachments = carrier.getAttachments(); if (span.getTraceId() != 0) { attachments.put(Span.TRACE_ID_NAME, Span.idToHex(span.getTraceId())); } if (span.getSpanId() != 0) { attachments.put(Span.SPAN_ID_NAME, Span.idToHex(span.getSpanId())); } attachments.put(Span.SAMPLED_NAME, span.isExportable() ? Span.SPAN_SAMPLED : Span.SPAN_NOT_SAMPLED); attachments.put(Span.SPAN_NAME_NAME, span.getName()); Long parentId = getParentId(span); if (parentId != null && parentId != 0) { attachments.put(Span.PARENT_ID_NAME, Span.idToHex(parentId)); } attachments.put(Span.PROCESS_ID_NAME, span.getProcessId()); }
protected void attachTraceInfo(Tracer tracer, Span span, final Request request) { if (span == null) { setHeader(request, Span.SAMPLED_NAME, Span.SPAN_NOT_SAMPLED); return; } setHeader(request, TraceRequestAttributes.HANDLED_SPAN_REQUEST_ATTR, "true"); setHeader(request, Span.SPAN_ID_NAME, Span.idToHex(span.getSpanId())); setHeader(request, Span.TRACE_ID_NAME, span.traceIdString()); setHeader(request, Span.SPAN_NAME_NAME, span.getName()); setHeader(request, Span.SAMPLED_NAME, span.isExportable() ? Span.SPAN_SAMPLED : Span.SPAN_NOT_SAMPLED); setHeader(request, Span.PARENT_ID_NAME,Span.idToHex(getParentId(span))); setHeader(request, Span.PROCESS_ID_NAME, span.getProcessId()); if(span.getSavedSpan()!=null && span.getSavedSpan().tags()!=null){ for (Entry<String, String> stringStringEntry : span.getSavedSpan().tags().entrySet()) { setHeader(request, stringStringEntry.getKey(), stringStringEntry.getValue()); } } /*spanInjector.inject(span,null); tracer.inject(span.context(), Format.Builtin.TEXT_MAP, new TextMap() { @Override public void put(String key, String value) { request.setAttachment(key, value); } @Override public Iterator<Entry<String, String>> iterator() { throw new UnsupportedOperationException("TextMapInjectAdapter should only be used with Tracer.inject()"); } });*/ }