ceph/src/jaegertracing/opentelemetry-cpp/sdk/include/opentelemetry/sdk/metrics/view/meter_selector.h

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #pragma once
   5 #include "opentelemetry/nostd/string_view.h"
   6 #include "opentelemetry/sdk/metrics/view/predicate_factory.h"
   7 #ifndef ENABLE_METRICS_PREVIEW
   8 OPENTELEMETRY_BEGIN_NAMESPACE
   9 namespace sdk
  10 {
  11 namespace metrics
  12 {
  13 class MeterSelector
  14 {
  15 public:
  16   MeterSelector(opentelemetry::nostd::string_view name,
  17                 opentelemetry::nostd::string_view version,
  18                 opentelemetry::nostd::string_view schema)
  19       : name_filter_{std::move(PredicateFactory::GetPredicate(name, PredicateType::kExact))},
  20         version_filter_{std::move(PredicateFactory::GetPredicate(version, PredicateType::kExact))},
  21         schema_filter_{std::move(PredicateFactory::GetPredicate(schema, PredicateType::kExact))}
  22   {}
  23
  24   // Returns name filter predicate. This shouldn't be deleted
  25   const opentelemetry::sdk::metrics::Predicate *const GetNameFilter() { return name_filter_.get(); }
  26
  27   // Returns version filter predicate. This shouldn't be deleted
  28   const opentelemetry::sdk::metrics::Predicate *const GetVersionFilter()
  29   {
  30     return version_filter_.get();
  31   }
  32
  33   // Returns schema filter predicate. This shouldn't be deleted
  34   const opentelemetry::sdk::metrics::Predicate *const GetSchemaFilter()
  35   {
  36     return schema_filter_.get();
  37   }
  38
  39 private:
  40   std::unique_ptr<opentelemetry::sdk::metrics::Predicate> name_filter_;
  41   std::unique_ptr<opentelemetry::sdk::metrics::Predicate> version_filter_;
  42   std::unique_ptr<opentelemetry::sdk::metrics::Predicate> schema_filter_;
  43 };
  44 }  // namespace metrics
  45 }  // namespace sdk
  46 OPENTELEMETRY_END_NAMESPACE
  47 #endif