ceph/src/jaegertracing/opentelemetry-cpp/sdk/include/opentelemetry/sdk/metrics/exemplar/always_sample_filter.h

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #pragma once
   5 #ifndef ENABLE_METRICS_PREVIEW
   6 #  include "opentelemetry/sdk/metrics/exemplar/filter.h"
   7
   8 OPENTELEMETRY_BEGIN_NAMESPACE
   9 namespace sdk
  10 {
  11 namespace metrics
  12 {
  13
  14 class AlwaysSampleFilter final : public ExemplarFilter
  15 {
  16 public:
  17   static nostd::shared_ptr<ExemplarFilter> GetAlwaysSampleFilter()
  18   {
  19     static nostd::shared_ptr<ExemplarFilter> alwaysSampleFilter{new AlwaysSampleFilter{}};
  20     return alwaysSampleFilter;
  21   }
  22
  23   bool ShouldSampleMeasurement(long value,
  24                                const MetricAttributes &attributes,
  25                                const opentelemetry::context::Context &context) noexcept override
  26   {
  27     return true;
  28   }
  29
  30   bool ShouldSampleMeasurement(double value,
  31                                const MetricAttributes &attributes,
  32                                const opentelemetry::context::Context &context) noexcept override
  33   {
  34     return true;
  35   }
  36
  37 private:
  38   explicit AlwaysSampleFilter() = default;
  39 };
  40 }  // namespace metrics
  41 }  // namespace sdk
  42 OPENTELEMETRY_END_NAMESPACE
  43 #endif