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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "opentelemetry/common/attribute_value.h"
#include "opentelemetry/nostd/string_view.h"
#include "opentelemetry/trace/span.h"
#include "opentelemetry/trace/span_context.h"
#include "opentelemetry/version.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 override { return span_context_; }
bool IsRecording() const noexcept override { return false; }
void SetAttribute(nostd::string_view /* key */,
const common::AttributeValue & /* value */) noexcept override
{}
void AddEvent(nostd::string_view /* name */) noexcept override {}
void AddEvent(nostd::string_view /* name */,
common::SystemTimestamp /* timestamp */) noexcept override
{}
void AddEvent(nostd::string_view /* name */,
const common::KeyValueIterable & /* attributes */) noexcept override
{}
void AddEvent(nostd::string_view /* name */,
common::SystemTimestamp /* timestamp */,
const common::KeyValueIterable & /* attributes */) noexcept override
{}
#if OPENTELEMETRY_ABI_VERSION_NO >= 2
void AddLink(const SpanContext & /* target */,
const common::KeyValueIterable & /* attrs */) noexcept override
{}
void AddLinks(const SpanContextKeyValueIterable & /* links */) noexcept override {}
#endif
void SetStatus(StatusCode /* status */, nostd::string_view /* description */) noexcept override {}
void UpdateName(nostd::string_view /* name */) noexcept override {}
void End(const EndSpanOptions & /* options */) noexcept override {}
nostd::string_view ToString() const noexcept { return "DefaultSpan"; }
DefaultSpan(SpanContext span_context) noexcept : span_context_(std::move(span_context)) {}
// movable and copiable
DefaultSpan(DefaultSpan &&spn) noexcept : Span(), span_context_(spn.GetContext()) {}
DefaultSpan(const DefaultSpan &spn) noexcept : Span(), span_context_(spn.GetContext()) {}
private:
SpanContext span_context_;
};
} // namespace trace
OPENTELEMETRY_END_NAMESPACE
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