Java Span.getRouteKey示例

  public ContextData beforeInvoke(Identification id) {
    try {
      Span spanData = ContextGenerator.generateSpanFromThreadLocal(id);
      // 设置SpanType的类型
      spanData.setTag(Tag.SPAN_TYPE, SpanType.RPC_CLIENT);

      if (Config.BuriedPoint.PRINTF) {
        logger.debug(
            "TraceId:"
                + spanData.getTraceId()
                + "\tParentLevelId:"
                + spanData.getParentLevel()
                + "\tLevelId:"
                + spanData.getLevelId()
                + "\tbusinessKey:"
                + spanData.getBusinessKey());
      }

      CurrentThreadSpanStack.push(spanData);

      sendRequestSpan(spanData, id);

      return new ContextData(
          spanData.getTraceId(), generateSubParentLevelId(spanData), spanData.getRouteKey());
    } catch (Throwable t) {
      logger.error(t.getMessage(), t);
      return new EmptyContextData();
    }
  }