Class: OpenTelemetry::SDK::Trace::Samplers::ProbabilitySampler Private

Inherits:
Object
  • Object
show all
Defined in:
lib/opentelemetry/sdk/trace/samplers/probability_sampler.rb

Overview

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

Implements sampling based on a probability.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(probability, ignore_parent:, apply_to_remote_parent:, apply_to_all_spans:) ⇒ ProbabilitySampler

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 instance of ProbabilitySampler.



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# File 'lib/opentelemetry/sdk/trace/samplers/probability_sampler.rb', line 17

def initialize(probability, ignore_parent:, apply_to_remote_parent:, apply_to_all_spans:)
  @probability = probability
  @id_upper_bound = format('%016x', (probability * (2**64 - 1)).ceil)
  @use_parent_sampled_flag = !ignore_parent
  @apply_to_remote_parent = apply_to_remote_parent
  @apply_to_all_spans = apply_to_all_spans
  @description = format('ProbabilitySampler{%.6f}', probability)
end

Instance Attribute Details

#descriptionObject (readonly)

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/trace/samplers/probability_sampler.rb', line 15

def description
  @description
end

Instance Method Details

#should_sample?(trace_id:, parent_context:, links:, name:, kind:, attributes:) ⇒ Boolean

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.

See OpenTelemetry::SDK::Trace::Samplers.

Returns:

  • (Boolean)


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# File 'lib/opentelemetry/sdk/trace/samplers/probability_sampler.rb', line 29

def should_sample?(trace_id:, parent_context:, links:, name:, kind:, attributes:)
  # Ignored for sampling decision: links, name, kind, attributes.

  if sample?(trace_id, parent_context)
    RECORD_AND_SAMPLED
  else
    NOT_RECORD
  end
end