Program Listing for File tracer_context.h
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include <chrono>
#include <memory>
#include <vector>
#include "opentelemetry/sdk/resource/resource.h"
#include "opentelemetry/sdk/trace/processor.h"
#include "opentelemetry/sdk/trace/random_id_generator.h"
#include "opentelemetry/sdk/trace/samplers/always_on.h"
#include "opentelemetry/version.h"
OPENTELEMETRY_BEGIN_NAMESPACE
namespace sdk
{
namespace trace
{
class TracerContext
{
public:
explicit TracerContext(
std::vector<std::unique_ptr<SpanProcessor>> &&processor,
opentelemetry::sdk::resource::Resource resource =
opentelemetry::sdk::resource::Resource::Create({}),
std::unique_ptr<Sampler> sampler = std::unique_ptr<AlwaysOnSampler>(new AlwaysOnSampler),
std::unique_ptr<IdGenerator> id_generator =
std::unique_ptr<IdGenerator>(new RandomIdGenerator())) noexcept;
virtual ~TracerContext() = default;
void AddProcessor(std::unique_ptr<SpanProcessor> processor) noexcept;
Sampler &GetSampler() const noexcept;
SpanProcessor &GetProcessor() const noexcept;
const opentelemetry::sdk::resource::Resource &GetResource() const noexcept;
opentelemetry::sdk::trace::IdGenerator &GetIdGenerator() const noexcept;
bool ForceFlush(std::chrono::microseconds timeout = (std::chrono::microseconds::max)()) noexcept;
bool Shutdown(std::chrono::microseconds timeout = (std::chrono::microseconds::max)()) noexcept;
private:
// order of declaration is important here - resource object should be destroyed after processor.
opentelemetry::sdk::resource::Resource resource_;
std::unique_ptr<Sampler> sampler_;
std::unique_ptr<IdGenerator> id_generator_;
std::unique_ptr<SpanProcessor> processor_;
};
} // namespace trace
} // namespace sdk
OPENTELEMETRY_END_NAMESPACE