Program Listing for File parent.h
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include <memory>
#include "opentelemetry/nostd/string_view.h"
#include "opentelemetry/sdk/trace/sampler.h"
#include "opentelemetry/version.h"
OPENTELEMETRY_BEGIN_NAMESPACE
namespace common
{
class KeyValueIterable;
} // namespace common
namespace trace
{
class SpanContext;
class SpanContextKeyValueIterable;
class TraceState;
} // namespace trace
namespace sdk
{
namespace trace
{
class ParentBasedSampler : public Sampler
{
public:
explicit ParentBasedSampler(std::shared_ptr<Sampler> delegate_sampler) noexcept;
SamplingResult ShouldSample(
const opentelemetry::trace::SpanContext &parent_context,
opentelemetry::trace::TraceId trace_id,
nostd::string_view name,
opentelemetry::trace::SpanKind span_kind,
const opentelemetry::common::KeyValueIterable &attributes,
const opentelemetry::trace::SpanContextKeyValueIterable &links) noexcept override;
nostd::string_view GetDescription() const noexcept override;
private:
const std::shared_ptr<Sampler> delegate_sampler_;
const std::string description_;
};
} // namespace trace
} // namespace sdk
OPENTELEMETRY_END_NAMESPACE