includes/opentelemetry/sdk/metrics/aggregation/aggregation.h

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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include <stdint.h>
#include <memory>
#include "opentelemetry/sdk/metrics/data/metric_data.h"
#include "opentelemetry/version.h"
 
OPENTELEMETRY_BEGIN_NAMESPACE
namespace sdk
{
namespace metrics
{
class Aggregation
{
public:
  virtual void Aggregate(int64_t value, const PointAttributes &attributes = {}) noexcept = 0;
 
  virtual void Aggregate(double value, const PointAttributes &attributes = {}) noexcept = 0;
 
  virtual std::unique_ptr<Aggregation> Merge(const Aggregation &delta) const noexcept = 0;
 
  virtual std::unique_ptr<Aggregation> Diff(const Aggregation &next) const noexcept = 0;
 
  virtual PointType ToPoint() const noexcept = 0;
 
  virtual ~Aggregation() = default;
};
 
}  // namespace metrics
}  // namespace sdk
OPENTELEMETRY_END_NAMESPACE