9.2/includes/opentelemetry/sdk/metrics/view/view.h

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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include <memory>
#include <string>
 
#include "opentelemetry/sdk/metrics/aggregation/aggregation_config.h"
#include "opentelemetry/sdk/metrics/instruments.h"
#include "opentelemetry/sdk/metrics/view/attributes_processor.h"
#include "opentelemetry/version.h"
 
OPENTELEMETRY_BEGIN_NAMESPACE
namespace sdk
{
namespace metrics
{
class View
{
public:
  View(const std::string &name,
       const std::string &description                        = "",
       AggregationType aggregation_type                      = AggregationType::kDefault,
       std::shared_ptr<AggregationConfig> aggregation_config = nullptr,
       std::unique_ptr<opentelemetry::sdk::metrics::AttributesProcessor> attributes_processor =
           std::unique_ptr<opentelemetry::sdk::metrics::AttributesProcessor>(
               new opentelemetry::sdk::metrics::DefaultAttributesProcessor()))
      : name_(name),
        description_(description),
        aggregation_type_{aggregation_type},
        aggregation_config_{aggregation_config},
        attributes_processor_{std::move(attributes_processor)}
  {}
 
  virtual ~View() = default;
 
  virtual std::string GetName() const noexcept { return name_; }
 
  virtual std::string GetDescription() const noexcept { return description_; }
 
  virtual AggregationType GetAggregationType() const noexcept { return aggregation_type_; }
 
  virtual AggregationConfig *GetAggregationConfig() const noexcept
  {
    return aggregation_config_.get();
  }
 
  virtual std::shared_ptr<const opentelemetry::sdk::metrics::AttributesProcessor>
  GetAttributesProcessor() const noexcept
  {
    return attributes_processor_;
  }
 
private:
  std::string name_;
  std::string description_;
  AggregationType aggregation_type_;
  std::shared_ptr<AggregationConfig> aggregation_config_;
  std::shared_ptr<AttributesProcessor> attributes_processor_;
};
}  // namespace metrics
}  // namespace sdk
OPENTELEMETRY_END_NAMESPACE