1 files changed, 66 insertions, 0 deletions
diff --git a/src/jaegertracing/opentelemetry-cpp/api/include/opentelemetry/trace/default_span.h b/src/jaegertracing/opentelemetry-cpp/api/include/opentelemetry/trace/default_span.h
new file mode 100644
index 000000000..fadd92386
--- /dev/null
+++ b/src/jaegertracing/opentelemetry-cpp/api/include/opentelemetry/trace/default_span.h
@@ -0,0 +1,66 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#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
+{
+
+/**
+ * DefaultSpan provides a non-operational Span that propagates
+ * the tracer context by wrapping it inside the Span object.
+ */
+
+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() const noexcept { return "DefaultSpan"; }
+
+  DefaultSpan(SpanContext span_context) noexcept : span_context_(span_context) {}
+
+  // movable and copiable
+  DefaultSpan(DefaultSpan &&spn) noexcept : span_context_(spn.GetContext()) {}
+  DefaultSpan(const DefaultSpan &spn) noexcept : span_context_(spn.GetContext()) {}
+
+private:
+  SpanContext span_context_;
+};
+
+}  // namespace trace
+OPENTELEMETRY_END_NAMESPACE