Program Listing for File trace_id_ratio.h
↰ Return to documentation for file (/home/docs/checkouts/readthedocs.org/user_builds/opentelemetry-cpp/checkouts/v1.1.0/sdk/include/opentelemetry/sdk/trace/samplers/trace_id_ratio.h
)
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "opentelemetry/sdk/trace/sampler.h"
OPENTELEMETRY_BEGIN_NAMESPACE
namespace sdk
{
namespace trace
{
class TraceIdRatioBasedSampler : public Sampler
{
public:
explicit TraceIdRatioBasedSampler(double ratio);
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:
std::string description_;
const uint64_t threshold_;
};
} // namespace trace
} // namespace sdk
OPENTELEMETRY_END_NAMESPACE