ceph/src/jaegertracing/opentelemetry-cpp/api/include/opentelemetry/_metrics/meter_provider.h

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #pragma once
   5 #ifdef ENABLE_METRICS_PREVIEW
   6
   7 #  include "opentelemetry/_metrics/meter.h"
   8 #  include "opentelemetry/nostd/shared_ptr.h"
   9 #  include "opentelemetry/nostd/string_view.h"
  10
  11 OPENTELEMETRY_BEGIN_NAMESPACE
  12 namespace metrics
  13 {
  14 /**
  15  * Creates new Meter instances.
  16  */
  17 class MeterProvider
  18 {
  19 public:
  20   virtual ~MeterProvider() = default;
  21   /**
  22    * Gets or creates a named Meter instance.
  23    *
  24    * Optionally a version can be passed to create a named and versioned Meter
  25    * instance.
  26    */
  27   virtual nostd::shared_ptr<Meter> GetMeter(nostd::string_view library_name,
  28                                             nostd::string_view library_version = "") = 0;
  29 };
  30 }  // namespace metrics
  31 OPENTELEMETRY_END_NAMESPACE
  32 #endif