Class: OpenTelemetry::SDK::Metrics::Meter

Inherits:
Metrics::Meter
  • Object
show all
Defined in:
lib/opentelemetry/sdk/metrics/meter.rb

Overview

Meter is the SDK implementation of Metrics::Meter.

Instance Method Summary collapse

Constructor Details

#initialize(name, version, meter_provider) ⇒ Meter

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new OpenTelemetry::SDK::Metrics::Meter instance.

Parameters:

  • name (String) —

    Instrumentation package name

  • version (String) —

    Instrumentation package version



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# File 'lib/opentelemetry/sdk/metrics/meter.rb', line 22

def initialize(name, version, meter_provider)
  @mutex = Mutex.new
  @instrument_registry = {}
  @instrumentation_scope = InstrumentationScope.new(name, version)
  @meter_provider = meter_provider
end

Instance Method Details

#add_metric_reader(metric_reader) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/opentelemetry/sdk/metrics/meter.rb', line 30

def add_metric_reader(metric_reader)
  @instrument_registry.each_value do |instrument|
    instrument.register_with_new_metric_store(metric_reader.metric_store)
  end
end

#create_instrument(kind, name, unit, description, callback) ⇒ Object 



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# File 'lib/opentelemetry/sdk/metrics/meter.rb', line 36

def create_instrument(kind, name, unit, description, callback)
  super do
    case kind
    when :counter then OpenTelemetry::SDK::Metrics::Instrument::Counter.new(name, unit, description, @instrumentation_scope, @meter_provider)
    when :observable_counter then OpenTelemetry::SDK::Metrics::Instrument::ObservableCounter.new(name, unit, description, callback, @instrumentation_scope, @meter_provider)
    when :histogram then OpenTelemetry::SDK::Metrics::Instrument::Histogram.new(name, unit, description, @instrumentation_scope, @meter_provider)
    when :observable_gauge then OpenTelemetry::SDK::Metrics::Instrument::ObservableGauge.new(name, unit, description, callback, @instrumentation_scope, @meter_provider)
    when :up_down_counter then OpenTelemetry::SDK::Metrics::Instrument::UpDownCounter.new(name, unit, description, @instrumentation_scope, @meter_provider)
    when :observable_up_down_counter then OpenTelemetry::SDK::Metrics::Instrument::ObservableUpDownCounter.new(name, unit, description, callback, @instrumentation_scope, @meter_provider)
    end
  end
end