.. _program_listing_file_include_opentelemetry_trace_default_span.h:

Program Listing for File default_span.h
=======================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_opentelemetry_trace_default_span.h>` (``include/opentelemetry/trace/default_span.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   #include "opentelemetry/common/attribute_value.h"
   #include "opentelemetry/trace/canonical_code.h"
   #include "opentelemetry/trace/span.h"
   #include "opentelemetry/trace/span_context.h"
   
   OPENTELEMETRY_BEGIN_NAMESPACE
   namespace trace
   {
   class DefaultSpan : public Span
   {
   public:
     // Returns an invalid span.
     static DefaultSpan GetInvalid() { return DefaultSpan(SpanContext::GetInvalid()); }
   
     trace::SpanContext GetContext() const noexcept { return span_context_; }
   
     bool IsRecording() const noexcept { return false; }
   
     void SetAttribute(nostd::string_view /* key */,
                       const common::AttributeValue & /* value */) noexcept
     {}
   
     void AddEvent(nostd::string_view /* name */) noexcept {}
   
     void AddEvent(nostd::string_view /* name */, common::SystemTimestamp /* timestamp */) noexcept {}
   
     void AddEvent(nostd::string_view /* name */,
                   common::SystemTimestamp /* timestamp */,
                   const common::KeyValueIterable & /* attributes */) noexcept
     {}
   
     void AddEvent(nostd::string_view name, const common::KeyValueIterable &attributes) noexcept
     {
       this->AddEvent(name, std::chrono::system_clock::now(), attributes);
     }
   
     void SetStatus(StatusCode /* status */, nostd::string_view /* description */) noexcept {}
   
     void UpdateName(nostd::string_view /* name */) noexcept {}
   
     void End(const EndSpanOptions & /* options */ = {}) noexcept {}
   
     nostd::string_view ToString() { return "DefaultSpan"; }
   
     DefaultSpan(SpanContext span_context) : span_context_(span_context) {}
   
     // movable and copiable
     DefaultSpan(DefaultSpan &&spn) : span_context_(spn.GetContext()) {}
     DefaultSpan(const DefaultSpan &spn) : span_context_(spn.GetContext()) {}
   
   private:
     SpanContext span_context_;
   };
   
   }  // namespace trace
   OPENTELEMETRY_END_NAMESPACE