// 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