Program Listing for File reservoir_cell_selector.h

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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

#pragma once

#include <cstddef>
#include <vector>

#include "opentelemetry/sdk/metrics/exemplar/filter.h"
#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell.h"
#include "opentelemetry/version.h"

OPENTELEMETRY_BEGIN_NAMESPACE
namespace context
{
class Context;
}  // namespace context

namespace sdk
{
namespace metrics
{
class ReservoirCellSelector
{

public:
  virtual ~ReservoirCellSelector() = default;

  virtual int ReservoirCellIndexFor(const std::vector<ReservoirCell> &cells,
                                    int64_t value,
                                    const MetricAttributes &attributes,
                                    const opentelemetry::context::Context &context) = 0;

  virtual int ReservoirCellIndexFor(const std::vector<ReservoirCell> &cells,
                                    double value,
                                    const MetricAttributes &attributes,
                                    const opentelemetry::context::Context &context) = 0;

  virtual void reset() = 0;
};

}  // namespace metrics
}  // namespace sdk
OPENTELEMETRY_END_NAMESPACE